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Materials Data on FeSb2C6(OF2)6 by Materials Project

Fe(CO)6(SbF6)2 is Fluorite structured and crystallizes in the tetragonal P4/mnc space group. The structure is zero-dimensional and consists of two Fe(CO)6 clusters and four SbF6 clusters. In each Fe(CO)6 cluster, Fe2+ is bonded in an octahedral geometry to six C+2.67+ atoms. There is two shorter (1.92 Å) and four longer (1.93 Å) Fe–C bond length. There are four inequivalent C+2.67+ sites. In the first C+2.67+ site, C+2.67+ is bonded in a single-bond geometry to one Fe2+ and one O2- atom. The C–O bond length is 1.13 Å. In the second C+2.67+ site, C+2.67+ is bonded in a single-bond geometry to one Fe2+ and one O2- atom. The C–O bond length is 1.13 Å. In the third C+2.67+ site, C+2.67+ is bonded in a distorted single-bond geometry to one Fe2+ and one O2- atom. The C–O bond length is 1.13 Å. In the fourth C+2.67+ site, C+2.67+ is bonded in a single-bond geometry to one Fe2+ and one O2- atom. The C–O bond length is 1.13 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+2.67+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+2.67+ atom. In each SbF6 cluster, Sb3+ is bonded in an octahedral geometry to six F1- atoms. There is two shorter (1.91 Å) and four longer (1.93 Å) Sb–F bond length. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AsCl2F3 by Materials Project

AsCl4AsF6 is beta Np structured and crystallizes in the tetragonal P4/n space group. The structure is zero-dimensional and consists of two AsCl4 clusters and two AsF6 clusters. In each AsCl4 cluster, As5+ is bonded in a tetrahedral geometry to four equivalent Cl1- atoms. All As–Cl bond lengths are 2.10 Å. Cl1- is bonded in a distorted single-bond geometry to one As5+ atom. In each AsF6 cluster, As5+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of As–F bond distances ranging from 1.76–1.79 Å. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one As5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one As5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one As5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SbIF10 by Materials Project

SbF6IF4 is gamma CuTi structured and crystallizes in the orthorhombic Ibca space group. The structure is zero-dimensional and consists of eight IF4 clusters and eight SbF6 clusters. In each IF4 cluster, I5+ is bonded in a 4-coordinate geometry to four F1- atoms. There is two shorter (1.85 Å) and two longer (1.90 Å) I–F bond length. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one I5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one I5+ atom. In each SbF6 cluster, Sb5+ is bonded in an octahedral geometry to six F1- atoms. There is two shorter (1.90 Å) and four longer (1.94 Å) Sb–F bond length. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SbS2NCl6 by Materials Project

NS2SbCl6 is Halite, Rock Salt-like structured and crystallizes in the orthorhombic Immm space group. The structure is zero-dimensional and consists of two NS2 clusters and two SbCl6 clusters. In each NS2 cluster, N5+ is bonded in a linear geometry to two equivalent S2- atoms. Both N–S bond lengths are 1.50 Å. S2- is bonded in a single-bond geometry to one N5+ atom. In each SbCl6 cluster, Sb5+ is bonded in an octahedral geometry to six Cl1- atoms. There are two shorter (2.40 Å) and four longer (2.42 Å) Sb–Cl bond lengths. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AgAs(S8F3)2 by Materials Project

AgS16AsF6 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four AgS16 clusters and four AsF6 clusters. In each AgS16 cluster, Ag1+ is bonded in a 4-coordinate geometry to four S atoms. There are two shorter (2.72 Å) and two longer (2.81 Å) Ag–S bond lengths. There are eight inequivalent S sites. In the first S site, S is bonded in a water-like geometry to two S atoms. There are one shorter (2.05 Å) and one longer (2.06 Å) S–S bond lengths. In the second S site, S is bonded in a trigonal non-coplanar geometry to one Ag1+ and two S atoms. There are one shorter (2.06 Å) and one longer (2.08 Å) S–S bond lengths. In the third S site, S is bonded in a water-like geometry to two S atoms. The S–S bond length is 2.07 Å. In the fourth S site, S is bonded in a water-like geometry to two S atoms. The S–S bond length is 2.07 Å. In the fifth S site, S is bonded in a water-like geometry to two S atoms. There are one shorter (2.05 Å) and one longer (2.07 Å) S–S bond lengths. In the sixth S site, S is bonded in a water-like geometry to two S atoms. In the seventh S site, S is bonded in a water-like geometry to two S atoms. In the eighth S site, S is bonded in a trigonal non-coplanar geometry to one Ag1+ and two S atoms. In each AsF6 cluster, As5+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of As–F bond distances ranging from 1.77–1.79 Å. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one As5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one As5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one As5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AgSbC6N4(OF3)2 by Materials Project

Ag(CN)4(CO)2SbF6 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight formaldehyde molecules, four Ag(CN)4 clusters, and four SbF6 clusters. In each Ag(CN)4 cluster, Ag1+ is bonded in a 4-coordinate geometry to four N3- atoms. There are two shorter (2.27 Å) and two longer (2.32 Å) Ag–N bond lengths. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.16 Å. In the second C4+ site, C4+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.16 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C4+ atom. In the second N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C4+ atom. In each SbF6 cluster, Sb3- is bonded in an octahedral geometry to six F1- atoms. There is four shorter (1.92 Å) and two longer (1.93 Å) Sb–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Sb3- atom.

36 MATERIALS SCIENCE↗

Materials Data on SbP3C(NCl5)3 by Materials Project

CP3(NCl3)3SbCl6 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two CP3(NCl3)3 clusters and two SbCl6 clusters. In each CP3(NCl3)3 cluster, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is two shorter (1.35 Å) and one longer (1.36 Å) C–N bond length. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to one N3- and three Cl1- atoms. The P–N bond length is 1.57 Å. There are a spread of P–Cl bond distances ranging from 1.98–2.00 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to one N3- and three Cl1- atoms. The P–N bond length is 1.58 Å. There is one shorter (1.97 Å) and two longer (1.99 Å) P–Cl bond length. In the third P5+ site, P5+ is bonded in a tetrahedral geometry to one N3- and three Cl1- atoms. The P–N bond length is 1.58 Å. There is two shorter (1.98 Å) and one longer (2.00 Å) P–Cl bond length. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded in a bent 120 degrees geometry to one C4+ and one P5+ atom. In the second N3- site, N3- is bonded in a bent 120 degrees geometry to one C4+ and one P5+ atom. In the third N3- site, N3- is bonded in a bent 120 degrees geometry to one C4+ and one P5+ atom. There are nine inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the fourth Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the fifth Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the sixth Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the seventh Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the eighth Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In the ninth Cl1- site, Cl1- is bonded in a single-bond geometry to one P5+ atom. In each SbCl6 cluster, Sb5+ is bonded in an octahedral geometry to six Cl1- atoms. There are a spread of Sb–Cl bond distances ranging from 2.40–2.44 Å. There are six inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the fourth Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the fifth Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. In the sixth Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaHgH16(BrO2)4 by Materials Project

Ca(H2O)8HgBr4 crystallizes in the orthorhombic Cmce space group. The structure is zero-dimensional and consists of eight Ca(H2O)8 clusters and eight HgBr4 clusters. In each Ca(H2O)8 cluster, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.46–2.58 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one Ca2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to one Ca2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two H1+ atoms. In each HgBr4 cluster, Hg2+ is bonded in a tetrahedral geometry to four Br1- atoms. There are a spread of Hg–Br bond distances ranging from 2.64–2.68 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaHgH16(BrO2)4 by Materials Project

Ca(H2O)8HgBr4 is Vulcanite-like structured and crystallizes in the orthorhombic Cmce space group. The structure is zero-dimensional and consists of eight Ca(H2O)8 clusters and eight HgBr4 clusters. In each Ca(H2O)8 cluster, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.46–2.60 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one Ca2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to one Ca2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a water-like geometry to one Ca2+ and two H1+ atoms. In each HgBr4 cluster, Hg2+ is bonded in a tetrahedral geometry to four Br1- atoms. There are a spread of Hg–Br bond distances ranging from 2.64–2.70 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Hg2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PH18PtC6S3BrF6 by Materials Project

PtC6H18S3BrPF6 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four PF6 clusters and four PtC6H18S3Br clusters. In each PF6 cluster, P5+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of P–F bond distances ranging from 1.63–1.66 Å. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the fifth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the sixth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In each PtC6H18S3Br cluster, Pt2- is bonded in a square co-planar geometry to three S2- and one Br1- atom. There are a spread of Pt–S bond distances ranging from 2.30–2.33 Å. The Pt–Br bond length is 2.48 Å. There are six inequivalent C+1.33- sites. In the first C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is two shorter (1.09 Å) and one longer (1.10 Å) C–H bond length. The C–S bond length is 1.81 Å. In the second C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. All C–H bond lengths are 1.10 Å. The C–S bond length is 1.81 Å. In the third C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. All C–H bond lengths are 1.10 Å. The C–S bond length is 1.80 Å. In the fourth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. All C–H bond lengths are 1.10 Å. The C–S bond length is 1.80 Å. In the fifth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. All C–H bond lengths are 1.10 Å. The C–S bond length is 1.80 Å. In the sixth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. The C–S bond length is 1.81 Å. There are eighteen inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. In the second S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. In the third S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. Br1- is bonded in a single-bond geometry to one Pt2- atom.

36 MATERIALS SCIENCE↗

Materials Data on SbTe7SXeCl(OF4)9 by Materials Project

XeTeSCl(OF2)3SbTe6(OF5)6 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two SbTe6(OF5)6 clusters and two XeTeSCl(OF2)3 clusters. In one of the SbTe6(OF5)6 clusters, Sb is bonded to six O atoms to form SbO6 octahedra that share corners with six TeOF5 octahedra. The corner-sharing octahedra tilt angles range from 36–42°. There are a spread of Sb–O bond distances ranging from 1.99–2.01 Å. There are three inequivalent Te sites. In the first Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. The Te–O bond length is 1.90 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. In the second Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 36°. The Te–O bond length is 1.88 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. In the third Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 40°. The Te–O bond length is 1.88 Å. There is one shorter (1.87 Å) and four longer (1.88 Å) Te–F bond length. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. There are fifteen inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Te atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one Te atom. In the seventh F site, F is bonded in a single-bond geometry to one Te atom. In the eighth F site, F is bonded in a single-bond geometry to one Te atom. In the ninth F site, F is bonded in a single-bond geometry to one Te atom. In the tenth F site, F is bonded in a single-bond geometry to one Te atom. In the eleventh F site, F is bonded in a single-bond geometry to one Te atom. In the twelfth F site, F is bonded in a single-bond geometry to one Te atom. In the thirteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fourteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fifteenth F site, F is bonded in a single-bond geometry to one Te atom. In one of the SbTe6(OF5)6 clusters, Sb is bonded to six O atoms to form SbO6 octahedra that share corners with six TeOF5 octahedra. The corner-sharing octahedral tilt angles are 42°. There are four shorter (2.00 Å) and two longer (2.01 Å) Sb–O bond lengths. There are three inequivalent Te sites. In the first Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. The Te–O bond length is 1.89 Å. There is three shorter (1.87 Å) and two longer (1.88 Å) Te–F bond length. In the second Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. The Te–O bond length is 1.89 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. In the third Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. The Te–O bond length is 1.89 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. There are fifteen inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Te atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one Te atom. In the seventh F site, F is bonded in a single-bond geometry to one Te atom. In the eighth F site, F is bonded in a single-bond geometry to one Te atom. In the ninth F site, F is bonded in a single-bond geometry to one Te atom. In the tenth F site, F is bonded in a single-bond geometry to one Te atom. In the eleventh F site, F is bonded in a single-bond geometry to one Te atom. In the twelfth F site, F is bonded in a single-bond geometry to one Te atom. In the thirteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fourteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fifteenth F site, F is bonded in a single-bond geometry to one Te atom. In each XeTeSCl(OF2)3 cluster, Xe is bonded in a linear geometry to two O atoms. There are one shorter (2.07 Å) and one longer (2.45 Å) Xe–O bond lengths. Te is bonded in an octahedral geometry to one O and five F atoms. The Te–O bond length is 1.98 Å. There are a spread of Te–F bond distances ranging from 1.86–1.88 Å. S is bonded in a distorted tetrahedral geometry to two O, one Cl, and one F atom. There is one shorter (1.42 Å) and one longer (1.46 Å) S–O bond length. The S–Cl bond length is 1.96 Å. The S–F bond length is 1.56 Å. There are three inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one S atom. In the second O site, O is bonded in a bent 120 degrees geometry to one Xe and one Te atom. In the third O site, O is bonded in a distorted single-bond geometry to one Xe and one S atom. Cl is bonded in a single-bond geometry to one S atom. There are six inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Te atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one S atom.

36 MATERIALS SCIENCE↗

Materials Data on SbTe7SXeCl(OF4)9 by Materials Project

XeTeSCl(OF2)3SbTe6(OF5)6 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two SbTe6(OF5)6 clusters and two XeTeSCl(OF2)3 clusters. In one of the SbTe6(OF5)6 clusters, Sb is bonded to six O atoms to form SbO6 octahedra that share corners with six TeOF5 octahedra. The corner-sharing octahedra tilt angles range from 40–44°. There are a spread of Sb–O bond distances ranging from 1.99–2.01 Å. There are three inequivalent Te sites. In the first Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 40°. The Te–O bond length is 1.88 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. In the second Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 43°. The Te–O bond length is 1.90 Å. There is three shorter (1.87 Å) and two longer (1.88 Å) Te–F bond length. In the third Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 44°. The Te–O bond length is 1.89 Å. There are a spread of Te–F bond distances ranging from 1.87–1.89 Å. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. There are fifteen inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Te atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one Te atom. In the seventh F site, F is bonded in a single-bond geometry to one Te atom. In the eighth F site, F is bonded in a single-bond geometry to one Te atom. In the ninth F site, F is bonded in a single-bond geometry to one Te atom. In the tenth F site, F is bonded in a single-bond geometry to one Te atom. In the eleventh F site, F is bonded in a single-bond geometry to one Te atom. In the twelfth F site, F is bonded in a single-bond geometry to one Te atom. In the thirteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fourteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fifteenth F site, F is bonded in a single-bond geometry to one Te atom. In one of the SbTe6(OF5)6 clusters, Sb is bonded to six O atoms to form SbO6 octahedra that share corners with six TeOF5 octahedra. The corner-sharing octahedra tilt angles range from 41–43°. There are four shorter (2.00 Å) and two longer (2.01 Å) Sb–O bond lengths. There are three inequivalent Te sites. In the first Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. The Te–O bond length is 1.89 Å. There is two shorter (1.87 Å) and three longer (1.88 Å) Te–F bond length. In the second Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 43°. The Te–O bond length is 1.89 Å. There is one shorter (1.87 Å) and four longer (1.88 Å) Te–F bond length. In the third Te site, Te is bonded to one O and five F atoms to form TeOF5 octahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 41°. The Te–O bond length is 1.89 Å. There is two shorter (1.87 Å) and three longer (1.88 Å) Te–F bond length. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the second O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. In the third O site, O is bonded in a bent 150 degrees geometry to one Sb and one Te atom. There are fifteen inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Te atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one Te atom. In the seventh F site, F is bonded in a single-bond geometry to one Te atom. In the eighth F site, F is bonded in a single-bond geometry to one Te atom. In the ninth F site, F is bonded in a single-bond geometry to one Te atom. In the tenth F site, F is bonded in a single-bond geometry to one Te atom. In the eleventh F site, F is bonded in a single-bond geometry to one Te atom. In the twelfth F site, F is bonded in a single-bond geometry to one Te atom. In the thirteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fourteenth F site, F is bonded in a single-bond geometry to one Te atom. In the fifteenth F site, F is bonded in a single-bond geometry to one Te atom. In each XeTeSCl(OF2)3 cluster, Xe is bonded in a linear geometry to two O atoms. There are one shorter (2.06 Å) and one longer (2.48 Å) Xe–O bond lengths. Te is bonded in an octahedral geometry to one O and five F atoms. The Te–O bond length is 1.98 Å. There are a spread of Te–F bond distances ranging from 1.85–1.88 Å. S is bonded in a distorted tetrahedral geometry to two O, one Cl, and one F atom. There is one shorter (1.41 Å) and one longer (1.46 Å) S–O bond length. The S–Cl bond length is 1.97 Å. The S–F bond length is 1.57 Å. There are three inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one Xe and one Te atom. In the second O site, O is bonded in a distorted single-bond geometry to one Xe and one S atom. In the third O site, O is bonded in a single-bond geometry to one S atom. Cl is bonded in a single-bond geometry to one S atom. There are six inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one S atom. In the second F site, F is bonded in a single-bond geometry to one Te atom. In the third F site, F is bonded in a single-bond geometry to one Te atom. In the fourth F site, F is bonded in a single-bond geometry to one Te atom. In the fifth F site, F is bonded in a single-bond geometry to one Te atom. In the sixth F site, F is bonded in a single-bond geometry to one Te atom.

36 MATERIALS SCIENCE↗

Small bimetallic clusters Agn-1M (M = Au, Co, Cu, Ni, Pd, Pt; n = 3, 9, 15): Density functional theory and genetic algorithm

We investigated the effect of size and composition on the properties of bimetallic nanoclusters. The geometric structures, stabilities, and electronic properties of size-selected Ag n-1 M (M = Au, Co, Cu, Ni, Pd, Pt; n = 3, 9, 15) bimetallic nanoclusters are systematically analyzed using spin-polarized density functional theory (DFT) within the generalized gradient approximation (GGA). We determine the most stable geometries for these clusters using a genetic algorithm (GA) in combination with DFT. Our results show that doping pure silver clusters with an M atom (transition metal), referred to as a “guest atom”, increases the stability as compared to pure Ag n (n = 3, 9, 15) clusters. The results for various properties including formation energy per atom, electronic structure, magnetic moments, and vibrational density of states (VDOS) are evaluated as a function of both size and composition of the system. The adsorption of selected bimetallic clusters on hydroxylated alumina substrate shows weak binding and minor changes in geometric properties except for Ag 8 Pt.

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗

Materials Data on Sb4OsC6(O3F11)2 by Materials Project

Os(CO)6(Sb2F11)2 is T-50 Boron-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two Os(CO)6 clusters and four Sb2F11 clusters. In each Os(CO)6 cluster, Os2- is bonded in an octahedral geometry to six C4+ atoms. All Os–C bond lengths are 2.02 Å. There are three inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a distorted single-bond geometry to one Os2- and one O2- atom. The C–O bond length is 1.14 Å. In the second C4+ site, C4+ is bonded in a distorted single-bond geometry to one Os2- and one O2- atom. The C–O bond length is 1.14 Å. In the third C4+ site, C4+ is bonded in a distorted linear geometry to one Os2- and one O2- atom. The C–O bond length is 1.14 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C4+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C4+ atom. In each Sb2F11 cluster, there are two inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded to six F1- atoms to form corner-sharing SbF6 octahedra. The corner-sharing octahedral tilt angles are 33°. There are a spread of Sb–F bond distances ranging from 1.89–2.06 Å. In the second Sb3+ site, Sb3+ is bonded to six F1- atoms to form corner-sharing SbF6 octahedra. The corner-sharing octahedral tilt angles are 33°. There are a spread of Sb–F bond distances ranging from 1.89–2.11 Å. There are eleven inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two Sb3+ atoms. In the sixth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the seventh F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the eighth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the ninth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the tenth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the eleventh F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Sb2BrF17 by Materials Project

Sb2F11BrF6 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four BrF6 clusters and four Sb2F11 clusters. In each BrF6 cluster, Br is bonded in an octahedral geometry to six F atoms. There is two shorter (1.75 Å) and four longer (1.76 Å) Br–F bond length. There are two inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Br atom. The F–Br bond length is 1.76 Å. In the second F site, F is bonded in a single-bond geometry to one Br atom. In each Sb2F11 cluster, there are two inequivalent Sb sites. In the first Sb site, Sb is bonded to six F atoms to form corner-sharing SbF6 octahedra. The corner-sharing octahedral tilt angles are 35°. There are a spread of Sb–F bond distances ranging from 1.89–2.10 Å. In the second Sb site, Sb is bonded to six F atoms to form corner-sharing SbF6 octahedra. The corner-sharing octahedral tilt angles are 35°. There are a spread of Sb–F bond distances ranging from 1.89–2.09 Å. There are eleven inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Sb atom. In the second F site, F is bonded in a single-bond geometry to one Sb atom. In the third F site, F is bonded in a single-bond geometry to one Sb atom. In the fourth F site, F is bonded in a single-bond geometry to one Sb atom. In the fifth F site, F is bonded in a single-bond geometry to one Sb atom. In the sixth F site, F is bonded in a single-bond geometry to one Sb atom. In the seventh F site, F is bonded in a single-bond geometry to one Sb atom. In the eighth F site, F is bonded in a single-bond geometry to one Sb atom. In the ninth F site, F is bonded in a single-bond geometry to one Sb atom. In the tenth F site, F is bonded in a single-bond geometry to one Sb atom. In the eleventh F site, F is bonded in a bent 150 degrees geometry to two Sb atoms.

36 MATERIALS SCIENCE↗

Materials Data on CaZn2H12(BrO)6 by Materials Project

Ca(H2O)6(ZnBr3)2 crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of four Ca(H2O)6 clusters and four ZnBr3 clusters. In each Ca(H2O)6 cluster, Ca2+ is bonded in an octahedral geometry to six O2- atoms. There are two shorter (2.37 Å) and four longer (2.38 Å) Ca–O bond lengths. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two equivalent H1+ atoms. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two equivalent H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and two H1+ atoms. In each ZnBr3 cluster, there are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four Br1- atoms to form edge-sharing ZnBr4 tetrahedra. There are a spread of Zn–Br bond distances ranging from 2.39–2.53 Å. In the second Zn2+ site, Zn2+ is bonded to four Br1- atoms to form edge-sharing ZnBr4 tetrahedra. There are a spread of Zn–Br bond distances ranging from 2.40–2.51 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Zn2+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Zn2+ atom. In the third Br1- site, Br1- is bonded in an L-shaped geometry to two Zn2+ atoms. In the fourth Br1- site, Br1- is bonded in an L-shaped geometry to two Zn2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on AsXeO2F7 by Materials Project

XeO2FAsF6 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is zero-dimensional and consists of four AsF6 clusters and four XeO2F clusters. In each AsF6 cluster, As is bonded in an octahedral geometry to six F atoms. There are a spread of As–F bond distances ranging from 1.74–1.82 Å. There are six inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one As atom. In the second F site, F is bonded in a single-bond geometry to one As atom. In the third F site, F is bonded in a single-bond geometry to one As atom. In the fourth F site, F is bonded in a single-bond geometry to one As atom. In the fifth F site, F is bonded in a single-bond geometry to one As atom. In the sixth F site, F is bonded in a single-bond geometry to one As atom. In each XeO2F cluster, Xe is bonded in a distorted trigonal non-coplanar geometry to two O and one F atom. Both Xe–O bond lengths are 1.84 Å. The Xe–F bond length is 2.03 Å. There are two inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Xe atom. In the second O site, O is bonded in a single-bond geometry to one Xe atom. F is bonded in a single-bond geometry to one Xe atom.

36 MATERIALS SCIENCE↗

Materials Data on PH18PtC6S3ClF6 by Materials Project

PtC6H18S3ClPF6 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four PF6 clusters and four PtC6H18S3Cl clusters. In each PF6 cluster, P5+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of P–F bond distances ranging from 1.63–1.66 Å. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the fifth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the sixth F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In each PtC6H18S3Cl cluster, Pt2- is bonded in a rectangular see-saw-like geometry to three S2- and one Cl1- atom. There are a spread of Pt–S bond distances ranging from 2.30–2.33 Å. The Pt–Cl bond length is 2.34 Å. There are six inequivalent C+1.33- sites. In the first C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is two shorter (1.09 Å) and one longer (1.10 Å) C–H bond length. The C–S bond length is 1.81 Å. In the second C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. The C–S bond length is 1.80 Å. In the third C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. The C–S bond length is 1.80 Å. In the fourth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. All C–H bond lengths are 1.10 Å. The C–S bond length is 1.81 Å. In the fifth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. The C–S bond length is 1.81 Å. In the sixth C+1.33- site, C+1.33- is bonded in a trigonal non-coplanar geometry to three H1+ and one S2- atom. There is two shorter (1.09 Å) and one longer (1.10 Å) C–H bond length. The C–S bond length is 1.81 Å. There are eighteen inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+1.33- atom. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. In the second S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. In the third S2- site, S2- is bonded in a trigonal non-coplanar geometry to one Pt2- and two C+1.33- atoms. Cl1- is bonded in a single-bond geometry to one Pt2- atom.

36 MATERIALS SCIENCE↗