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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on La2CCl by Materials Project

La2CCl is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. La+2.50+ is bonded to three equivalent C4- and three equivalent Cl1- atoms to form a mixture of edge and corner-sharing LaC3Cl3 octahedra. The corner-sharing octahedral tilt angles are 0°. All La–C bond lengths are 2.64 Å. All La–Cl bond lengths are 3.17 Å. C4- is bonded to six equivalent La+2.50+ atoms to form edge-sharing CLa6 octahedra. Cl1- is bonded in a 6-coordinate geometry to six equivalent La+2.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La8C8Cl5 by Materials Project

La8C8Cl5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 6-coordinate geometry to four C+2.38- and two Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.75 Å. There are one shorter (3.10 Å) and one longer (3.25 Å) La–Cl bond lengths. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.83 Å. There are a spread of La–Cl bond distances ranging from 2.97–3.24 Å. In the third La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.64–2.86 Å. There are a spread of La–Cl bond distances ranging from 2.99–3.29 Å. In the fourth La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.38- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.43–3.02 Å. There are two shorter (3.09 Å) and one longer (3.30 Å) La–Cl bond lengths. There are four inequivalent C+2.38- sites. In the first C+2.38- site, C+2.38- is bonded to five La3+ and one C+2.38- atom to form distorted corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 67°. The C–C bond length is 1.35 Å. In the second C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. The C–C bond length is 1.35 Å. In the third C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. In the fourth C+2.38- site, C+2.38- is bonded in a 6-coordinate geometry to five La3+ and one C+2.38- atom. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted square co-planar geometry to four La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La4C2Cl5 by Materials Project

La4C2Cl5 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 5-coordinate geometry to one C+3.50- and six equivalent Cl1- atoms. The La–C bond length is 2.30 Å. There are four shorter (2.95 Å) and two longer (3.36 Å) La–Cl bond lengths. In the second La3+ site, La3+ is bonded to four equivalent C+3.50- and four Cl1- atoms to form a mixture of distorted edge, face, and corner-sharing LaC4Cl4 hexagonal bipyramids. All La–C bond lengths are 2.71 Å. There are two shorter (2.98 Å) and two longer (3.03 Å) La–Cl bond lengths. C+3.50- is bonded in a 6-coordinate geometry to five La3+ and one C+3.50- atom. The C–C bond length is 1.42 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the second Cl1- site, Cl1- is bonded in a square co-planar geometry to four equivalent La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La14C14Cl9 by Materials Project

La14C14Cl9 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are fourteen inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 7-coordinate geometry to four C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.46–2.75 Å. There are a spread of La–Cl bond distances ranging from 3.13–3.21 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.42–3.01 Å. There are a spread of La–Cl bond distances ranging from 3.07–3.31 Å. In the third La3+ site, La3+ is bonded in a 2-coordinate geometry to four C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.78 Å. There are a spread of La–Cl bond distances ranging from 3.12–3.51 Å. In the fourth La3+ site, La3+ is bonded to five C+2.36- and three Cl1- atoms to form a mixture of distorted corner and face-sharing LaC5Cl3 hexagonal bipyramids. There are a spread of La–C bond distances ranging from 2.45–2.80 Å. There are a spread of La–Cl bond distances ranging from 2.93–3.26 Å. In the fifth La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.43–2.94 Å. There are two shorter (3.00 Å) and one longer (3.30 Å) La–Cl bond lengths. In the sixth La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.65–2.86 Å. There are a spread of La–Cl bond distances ranging from 2.95–3.30 Å. In the seventh La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.43–3.03 Å. There are a spread of La–Cl bond distances ranging from 3.06–3.32 Å. In the eighth La3+ site, La3+ is bonded in a 7-coordinate geometry to four C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.46–2.75 Å. There are a spread of La–Cl bond distances ranging from 3.13–3.22 Å. In the ninth La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.64–2.85 Å. There are a spread of La–Cl bond distances ranging from 2.98–3.26 Å. In the tenth La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.64–2.82 Å. There are a spread of La–Cl bond distances ranging from 2.96–3.32 Å. In the eleventh La3+ site, La3+ is bonded in a 6-coordinate geometry to four C+2.36- and two Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.76 Å. There are one shorter (3.11 Å) and one longer (3.28 Å) La–Cl bond lengths. In the twelfth La3+ site, La3+ is bonded to five C+2.36- and three Cl1- atoms to form a mixture of distorted corner and face-sharing LaC5Cl3 hexagonal bipyramids. There are a spread of La–C bond distances ranging from 2.46–2.80 Å. There are a spread of La–Cl bond distances ranging from 2.96–3.25 Å. In the thirteenth La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.65–2.86 Å. There are a spread of La–Cl bond distances ranging from 3.00–3.29 Å. In the fourteenth La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.36- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.42–2.94 Å. There are a spread of La–Cl bond distances ranging from 2.96–3.32 Å. There are fourteen inequivalent C+2.36- sites. In the first C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.36 Å. In the second C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.36 Å. In the third C+2.36- site, C+2.36- is bonded to five La3+ and one C+2.36- atom to form distorted corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 67°. In the fourth C+2.36- site, C+2.36- is bonded to five La3+ and one C+2.36- atom to form distorted corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 68°. The C–C bond length is 1.35 Å. In the fifth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. In the sixth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.36 Å. In the seventh C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.34 Å. In the eighth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. In the ninth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. In the tenth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.36 Å. In the eleventh C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. The C–C bond length is 1.36 Å. In the twelfth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. In the thirteenth C+2.36- site, C+2.36- is bonded in a 6-coordinate geometry to five La3+ and one C+2.36- atom. In the fourteenth C+2.36- site, C+2.36- is bonded to five La3+ and one C+2.36- atom to form distorted corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 67°. There are nine inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the second Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to four La3+ atoms. In the third Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to five La3+ atoms. In the seventh Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms. In the eighth Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the ninth Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La3C3Cl2 by Materials Project

La3C3Cl2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 7-coordinate geometry to four C+2.33- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.45–2.75 Å. There are a spread of La–Cl bond distances ranging from 3.14–3.22 Å. In the second La3+ site, La3+ is bonded in a distorted q4 geometry to six C+2.33- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.65–2.86 Å. There are a spread of La–Cl bond distances ranging from 2.94–3.27 Å. In the third La3+ site, La3+ is bonded in a 8-coordinate geometry to five C+2.33- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.44–2.92 Å. There are a spread of La–Cl bond distances ranging from 2.96–3.31 Å. There are three inequivalent C+2.33- sites. In the first C+2.33- site, C+2.33- is bonded in a 6-coordinate geometry to five La3+ and one C+2.33- atom. The C–C bond length is 1.36 Å. In the second C+2.33- site, C+2.33- is bonded to five La3+ and one C+2.33- atom to form a mixture of distorted edge and corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 66°. In the third C+2.33- site, C+2.33- is bonded in a 6-coordinate geometry to five La3+ and one C+2.33- atom. The C–C bond length is 1.34 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to four La3+ atoms. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La5C2Cl9 by Materials Project

La5C2Cl9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 9-coordinate geometry to two C3- and seven Cl1- atoms. There are one shorter (2.46 Å) and one longer (2.49 Å) La–C bond lengths. There are a spread of La–Cl bond distances ranging from 2.96–3.37 Å. In the second La3+ site, La3+ is bonded in a 1-coordinate geometry to one C3- and seven Cl1- atoms. The La–C bond length is 2.36 Å. There are a spread of La–Cl bond distances ranging from 2.89–3.41 Å. In the third La3+ site, La3+ is bonded in a 9-coordinate geometry to two C3- and seven Cl1- atoms. There are one shorter (2.46 Å) and one longer (2.51 Å) La–C bond lengths. There are a spread of La–Cl bond distances ranging from 2.88–3.51 Å. In the fourth La3+ site, La3+ is bonded in a 7-coordinate geometry to one C3- and six Cl1- atoms. The La–C bond length is 2.35 Å. There are a spread of La–Cl bond distances ranging from 2.86–3.12 Å. In the fifth La3+ site, La3+ is bonded in a 8-coordinate geometry to two C3- and six Cl1- atoms. There are one shorter (2.48 Å) and one longer (2.49 Å) La–C bond lengths. There are a spread of La–Cl bond distances ranging from 2.88–3.28 Å. There are two inequivalent C3- sites. In the first C3- site, C3- is bonded in a 5-coordinate geometry to four La3+ and one C3- atom. The C–C bond length is 1.48 Å. In the second C3- site, C3- is bonded in a 5-coordinate geometry to four La3+ and one C3- atom. There are ten inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a trigonal planar geometry to three La3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three La3+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted trigonal non-coplanar geometry to three La3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the seventh Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the eighth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to four La3+ atoms. In the ninth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four La3+ atoms. In the tenth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to four La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La4C5Cl2 by Materials Project

La4C5Cl2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 8-coordinate geometry to six C2- and two equivalent Cl1- atoms. There are a spread of La–C bond distances ranging from 2.50–2.84 Å. There are one shorter (2.99 Å) and one longer (3.03 Å) La–Cl bond lengths. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to five C2- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.46–2.75 Å. There are a spread of La–Cl bond distances ranging from 3.03–3.14 Å. In the third La3+ site, La3+ is bonded in a 8-coordinate geometry to five C2- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.55–2.77 Å. There are a spread of La–Cl bond distances ranging from 3.02–3.16 Å. In the fourth La3+ site, La3+ is bonded in a 1-coordinate geometry to nine C2- and one Cl1- atom. There are a spread of La–C bond distances ranging from 2.53–2.90 Å. The La–Cl bond length is 3.54 Å. In the fifth La3+ site, La3+ is bonded in a 1-coordinate geometry to nine C2- and one Cl1- atom. There are a spread of La–C bond distances ranging from 2.54–2.89 Å. The La–Cl bond length is 3.51 Å. In the sixth La3+ site, La3+ is bonded in a 8-coordinate geometry to six C2- and two equivalent Cl1- atoms. There are a spread of La–C bond distances ranging from 2.51–2.84 Å. There are one shorter (3.00 Å) and one longer (3.02 Å) La–Cl bond lengths. In the seventh La3+ site, La3+ is bonded in a 8-coordinate geometry to five C2- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.56–2.76 Å. There are a spread of La–Cl bond distances ranging from 3.04–3.16 Å. In the eighth La3+ site, La3+ is bonded to five C2- and three Cl1- atoms to form distorted LaC5Cl3 hexagonal bipyramids that share corners with three CLa5C octahedra and faces with two equivalent LaC5Cl3 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 7–105°. There are a spread of La–C bond distances ranging from 2.46–2.76 Å. There are a spread of La–Cl bond distances ranging from 3.03–3.14 Å. There are ten inequivalent C2- sites. In the first C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.31 Å. In the second C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.33 Å. In the third C2- site, C2- is bonded in a 6-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.34 Å. In the fourth C2- site, C2- is bonded in a 6-coordinate geometry to five La3+ and one C2- atom. In the fifth C2- site, C2- is bonded to five La3+ and one C2- atom to form a mixture of distorted edge and corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 21°. In the sixth C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.33 Å. In the seventh C2- site, C2- is bonded to five La3+ and one C2- atom to form a mixture of distorted edge and corner-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 22°. The C–C bond length is 1.31 Å. In the eighth C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. In the ninth C2- site, C2- is bonded to five La3+ and one C2- atom to form distorted CLa5C octahedra that share a cornercorner with one LaC5Cl3 hexagonal bipyramid, corners with two equivalent CLa5C octahedra, and edges with five CLa5C octahedra. The corner-sharing octahedral tilt angles are 21°. In the tenth C2- site, C2- is bonded to five La3+ and one C2- atom to form distorted CLa5C octahedra that share corners with two equivalent LaC5Cl3 hexagonal bipyramids, corners with two equivalent CLa5C octahedra, and edges with five CLa5C octahedra. The corner-sharing octahedral tilt angles are 22°. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to five La3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted square co-planar geometry to five La3+ atoms. In the third Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to four La3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to four La3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La4C5Cl2 by Materials Project

La4C5Cl2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded to five C2- and three Cl1- atoms to form distorted LaC5Cl3 hexagonal bipyramids that share corners with three equivalent CLa5C octahedra, edges with two equivalent LaC5Cl3 hexagonal bipyramids, and faces with two equivalent LaC5Cl3 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 8–105°. There are a spread of La–C bond distances ranging from 2.47–2.76 Å. There are two shorter (3.02 Å) and one longer (3.14 Å) La–Cl bond lengths. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to six C2- and two equivalent Cl1- atoms. There are a spread of La–C bond distances ranging from 2.51–2.82 Å. Both La–Cl bond lengths are 3.00 Å. In the third La3+ site, La3+ is bonded in a 1-coordinate geometry to nine C2- and one Cl1- atom. There are a spread of La–C bond distances ranging from 2.53–2.88 Å. The La–Cl bond length is 3.50 Å. In the fourth La3+ site, La3+ is bonded in a 8-coordinate geometry to five C2- and three Cl1- atoms. There are a spread of La–C bond distances ranging from 2.55–2.75 Å. There are two shorter (3.03 Å) and one longer (3.16 Å) La–Cl bond lengths. There are five inequivalent C2- sites. In the first C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.32 Å. In the second C2- site, C2- is bonded to five La3+ and one C2- atom to form distorted CLa5C octahedra that share corners with three equivalent LaC5Cl3 hexagonal bipyramids, corners with two equivalent CLa5C octahedra, and edges with five CLa5C octahedra. The corner-sharing octahedral tilt angles are 22°. The C–C bond length is 1.32 Å. In the third C2- site, C2- is bonded to five La3+ and one C2- atom to form a mixture of distorted corner and edge-sharing CLa5C octahedra. The corner-sharing octahedral tilt angles are 22°. In the fourth C2- site, C2- is bonded in a 2-coordinate geometry to five La3+ and one C2- atom. In the fifth C2- site, C2- is bonded in a 6-coordinate geometry to five La3+ and one C2- atom. The C–C bond length is 1.34 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to four La3+ atoms. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five La3+ atoms.

36 MATERIALS SCIENCE↗