Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “cluster structure”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,603 records · Page 89

Materials Data on SbCl4F by Materials Project

SbCl4F crystallizes in the tetragonal I-4 space group. The structure is zero-dimensional and consists of two SbCl4F clusters. Sb5+ is bonded to four Cl1- and two equivalent F1- atoms to form corner-sharing SbCl4F2 octahedra. The corner-sharing octahedral tilt angles are 10°. There are three shorter (2.33 Å) and one longer (2.34 Å) Sb–Cl bond lengths. There are one shorter (2.14 Å) and one longer (2.15 Å) Sb–F bond lengths. There are four 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 distorted single-bond geometry to one Sb5+ atom. F1- is bonded in a linear geometry to two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on P10Au7I by Materials Project

(AuP2)2Au5P6I crystallizes in the trigonal P-31m space group. The structure is three-dimensional and consists of two AuP2 clusters and one Au5P6I framework. In each AuP2 cluster, Au+0.14- is bonded in a linear geometry to two equivalent P+0.20+ atoms. Both Au–P bond lengths are 2.35 Å. P+0.20+ is bonded in a single-bond geometry to one Au+0.14- atom. In the Au5P6I framework, there are two inequivalent Au+0.14- sites. In the first Au+0.14- site, Au+0.14- is bonded to three equivalent P+0.20+ and one I1- atom to form distorted corner-sharing AuP3I trigonal pyramids. All Au–P bond lengths are 2.38 Å. The Au–I bond length is 3.10 Å. In the second Au+0.14- site, Au+0.14- is bonded in a linear geometry to two equivalent P+0.20+ atoms. Both Au–P bond lengths are 2.37 Å. P+0.20+ is bonded in a bent 120 degrees geometry to two Au+0.14- atoms. I1- is bonded in a linear geometry to two equivalent Au+0.14- atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sc11Ru4 by Materials Project

Sc11Ru4 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of four Sc6Ru clusters and one Sc16Ru7 framework. In each Sc6Ru cluster, Sc is bonded in a single-bond geometry to one Ru atom. The Sc–Ru bond length is 2.65 Å. Ru is bonded in an octahedral geometry to six equivalent Sc atoms. In the Sc16Ru7 framework, there are two inequivalent Sc sites. In the first Sc site, Sc is bonded to four Ru atoms to form a mixture of distorted corner and edge-sharing ScRu4 tetrahedra. There are one shorter (2.70 Å) and three longer (2.97 Å) Sc–Ru bond lengths. In the second Sc site, Sc is bonded in a trigonal planar geometry to three equivalent Ru atoms. All Sc–Ru bond lengths are 2.74 Å. There are two inequivalent Ru sites. In the first Ru site, Ru is bonded in a body-centered cubic geometry to eight equivalent Sc atoms. In the second Ru site, Ru is bonded in a 12-coordinate geometry to eight Sc atoms.

36 MATERIALS SCIENCE↗

Materials Data on ScI5N3 by Materials Project

ScNI4IN2 crystallizes in the orthorhombic Pnma space group. The structure is one-dimensional and consists of four IN2 clusters and four ScNI4 ribbons oriented in the (1, 0, 0) direction. In each IN2 cluster, N1+ is bonded in a single-bond geometry to one I1- atom. The N–I bond length is 1.89 Å. I1- is bonded in a water-like geometry to two equivalent N1+ atoms. In each ScNI4 ribbon, Sc2+ is bonded in a 1-coordinate geometry to four I1- atoms. There are a spread of Sc–I bond distances ranging from 2.67–3.01 Å. N1+ is bonded in a distorted water-like geometry to two equivalent I1- atoms. Both N–I bond lengths are 2.15 Å. There are three inequivalent I1- sites. In the first I1- site, I1- is bonded in a single-bond geometry to one Sc2+ atom. In the second I1- site, I1- is bonded in a single-bond geometry to one Sc2+ atom. In the third I1- site, I1- is bonded in a distorted bent 120 degrees geometry to one Sc2+ and one N1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Zr11Os4 by Materials Project

Zr11Os4 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of four Zr6Os clusters and one Zr16Os7 framework. In each Zr6Os cluster, Zr is bonded in a single-bond geometry to one Os atom. The Zr–Os bond length is 2.72 Å. Os is bonded in an octahedral geometry to six equivalent Zr atoms. In the Zr16Os7 framework, there are two inequivalent Zr sites. In the first Zr site, Zr is bonded to four Os atoms to form a mixture of distorted edge and corner-sharing ZrOs4 tetrahedra. There are one shorter (2.74 Å) and three longer (3.00 Å) Zr–Os bond lengths. In the second Zr site, Zr is bonded in a trigonal planar geometry to three equivalent Os atoms. All Zr–Os bond lengths are 2.76 Å. There are two inequivalent Os sites. In the first Os site, Os is bonded in a body-centered cubic geometry to eight equivalent Zr atoms. In the second Os site, Os is bonded in a 12-coordinate geometry to eight Zr atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sc11Os4 by Materials Project

Sc16Os7Sc6Os crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of four Sc6Os clusters and one Sc16Os7 framework. In each Sc6Os cluster, Sc is bonded in a single-bond geometry to one Os atom. The Sc–Os bond length is 2.66 Å. Os is bonded in an octahedral geometry to six equivalent Sc atoms. In the Sc16Os7 framework, there are two inequivalent Sc sites. In the first Sc site, Sc is bonded in a distorted trigonal planar geometry to three equivalent Os atoms. All Sc–Os bond lengths are 2.74 Å. In the second Sc site, Sc is bonded to four Os atoms to form a mixture of distorted corner and edge-sharing ScOs4 tetrahedra. There are one shorter (2.72 Å) and three longer (2.96 Å) Sc–Os bond lengths. There are two inequivalent Os sites. In the first Os site, Os is bonded in a body-centered cubic geometry to eight equivalent Sc atoms. In the second Os site, Os is bonded in a 12-coordinate geometry to eight Sc atoms.

36 MATERIALS SCIENCE↗

Materials Data on P10Au7I by Materials Project

(AuP2)2Au5P6I crystallizes in the hexagonal P-62m space group. The structure is one-dimensional and consists of two AuP2 clusters and one Au5P6I ribbon oriented in the (0, 0, 1) direction. In each AuP2 cluster, Au+0.14- is bonded in a linear geometry to two equivalent P+0.20+ atoms. Both Au–P bond lengths are 2.35 Å. P+0.20+ is bonded in a single-bond geometry to one Au+0.14- atom. In the Au5P6I ribbon, there are two inequivalent Au+0.14- sites. In the first Au+0.14- site, Au+0.14- is bonded to three equivalent P+0.20+ and one I1- atom to form distorted corner-sharing AuP3I trigonal pyramids. All Au–P bond lengths are 2.38 Å. The Au–I bond length is 3.07 Å. In the second Au+0.14- site, Au+0.14- is bonded in a bent 150 degrees geometry to two equivalent P+0.20+ atoms. Both Au–P bond lengths are 2.37 Å. P+0.20+ is bonded in a water-like geometry to two Au+0.14- atoms. I1- is bonded in a linear geometry to two equivalent Au+0.14- atoms.

36 MATERIALS SCIENCE↗

Materials Data on CSNO3 by Materials Project

CNSO3 is beta Polonium structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four CNSO3 clusters. C3+ is bonded in a distorted bent 120 degrees geometry to one N5+ and one O2- atom. The C–N bond length is 1.29 Å. The C–O bond length is 1.31 Å. N5+ is bonded in a water-like geometry to one C3+ and one S2- atom. The N–S bond length is 1.65 Å. S2- is bonded in a distorted tetrahedral geometry to one N5+ and three O2- atoms. There are a spread of S–O bond distances ranging from 1.42–1.84 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one C3+ and one S2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the third O2- site, O2- is bonded in a single-bond geometry to one S2- atom.

36 MATERIALS SCIENCE↗

Materials Data on CIClF4 by Materials Project

CIClF4 is Ammonia-derived structured and crystallizes in the orthorhombic Cmce space group. The structure is zero-dimensional and consists of eight CIClF4 clusters. C is bonded in a trigonal non-coplanar geometry to one I and three F atoms. The C–I bond length is 2.25 Å. There is one shorter (1.33 Å) and two longer (1.34 Å) C–F bond length. I is bonded in a distorted T-shaped geometry to one C, one Cl, and one F atom. The I–Cl bond length is 2.45 Å. The I–F bond length is 2.06 Å. Cl is bonded in a single-bond geometry to one I atom. There are three inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one I atom. In the second F site, F is bonded in a single-bond geometry to one C atom. In the third F site, F is bonded in a single-bond geometry to one C atom.

36 MATERIALS SCIENCE↗

Materials Data on W6CCl18 by Materials Project

W6CCl18 is Magnesium structured and crystallizes in the hexagonal P-62c space group. The structure is zero-dimensional and consists of two W6CCl18 clusters. W+3.67+ is bonded to one C4- and five Cl1- atoms to form a mixture of face, edge, and corner-sharing WCCl5 octahedra. The corner-sharing octahedral tilt angles are 43°. The W–C bond length is 2.17 Å. There are three shorter (2.40 Å) and two longer (2.44 Å) W–Cl bond lengths. C4- is bonded in a distorted pentagonal pyramidal geometry to six equivalent W+3.67+ atoms. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one W+3.67+ atom. In the second Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent W+3.67+ atoms. In the third Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent W+3.67+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent W+3.67+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on ReF7 by Materials Project

ReF7 is alpha U structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two ReF7 clusters. Re7+ is bonded in a pentagonal bipyramidal geometry to seven F1- atoms. There are a spread of Re–F bond distances ranging from 1.85–1.90 Å. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the fifth F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the sixth F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom. In the seventh F1- site, F1- is bonded in a single-bond geometry to one Re7+ atom.

36 MATERIALS SCIENCE↗

Materials Data on IF7 by Materials Project

IF7 is alpha La-like structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of four IF7 clusters. I is bonded in a pentagonal bipyramidal geometry to seven F atoms. There are a spread of I–F bond distances ranging from 1.85–1.90 Å. There are seven inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one I atom. In the second F site, F is bonded in a single-bond geometry to one I atom. In the third F site, F is bonded in a single-bond geometry to one I atom. In the fourth F site, F is bonded in a single-bond geometry to one I atom. In the fifth F site, F is bonded in a single-bond geometry to one I atom. In the sixth F site, F is bonded in a single-bond geometry to one I atom. In the seventh F site, F is bonded in a single-bond geometry to one I atom.

36 MATERIALS SCIENCE↗

Materials Data on Te2H2O3F4 by Materials Project

H2Te2O3F4 crystallizes in the orthorhombic Fdd2 space group. The structure is zero-dimensional and consists of eight H2Te2O3F4 clusters. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. Te4+ is bonded in a distorted rectangular see-saw-like geometry to two O2- and two F1- atoms. There is one shorter (1.92 Å) and one longer (1.95 Å) Te–O bond length. There are one shorter (1.99 Å) and one longer (2.04 Å) Te–F bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Te4+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to one Te4+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on TeP3(N2O9)2 by Materials Project

PNO5PNO4PN2TeO9 crystallizes in the monoclinic Pc space group. The structure is zero-dimensional and consists of two PN2TeO9 clusters, two PNO4 clusters, and two PNO5 clusters. In each PN2TeO9 cluster, P+4.67+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.48 Å) and one longer (1.63 Å) P–O bond length. There are two inequivalent N+4.50+ sites. In the first N+4.50+ site, N+4.50+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.12 Å) and one longer (1.94 Å) N–O bond length. In the second N+4.50+ site, N+4.50+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.22 Å) and one longer (1.28 Å) N–O bond length. Te4+ is bonded in a distorted trigonal bipyramidal geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.80–2.37 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one P+4.67+ and one Te4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one N+4.50+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N+4.50+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one Te4+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one N+4.50+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Te4+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one N+4.50+ and one Te4+ atom. In each PNO4 cluster, P+4.67+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.48 Å) and one longer (1.55 Å) P–O bond length. N+4.50+ is bonded in a water-like geometry to two O2- atoms. There is one shorter (1.13 Å) and one longer (1.85 Å) N–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one P+4.67+ and one N+4.50+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one N+4.50+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In each PNO5 cluster, P+4.67+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. N+4.50+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.13 Å) and one longer (1.92 Å) N–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one N+4.50+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one P+4.67+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one P+4.67+ and one N+4.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AlSeS2N2Cl5 by Materials Project

AlCl4N2SeS2Cl crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four AlCl4 clusters and four N2SeS2Cl clusters. In each AlCl4 cluster, Al3+ is bonded in a tetrahedral geometry to four Cl1- atoms. There are a spread of Al–Cl bond distances ranging from 2.14–2.19 Å. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Al3+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Al3+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Al3+ atom. In the fourth Cl1- site, Cl1- is bonded in a single-bond geometry to one Al3+ atom. In each N2SeS2Cl cluster, there are two inequivalent N4+ sites. In the first N4+ site, N4+ is bonded in a bent 120 degrees geometry to one Se2- and one S2- atom. The N–Se bond length is 1.78 Å. The N–S bond length is 1.59 Å. In the second N4+ site, N4+ is bonded in a bent 120 degrees geometry to two S2- atoms. There is one shorter (1.57 Å) and one longer (1.60 Å) N–S bond length. Se2- is bonded in a 2-coordinate geometry to one N4+ and one Cl1- atom. The Se–Cl bond length is 2.25 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a water-like geometry to two N4+ atoms. In the second S2- site, S2- is bonded in a distorted single-bond geometry to one N4+ atom. Cl1- is bonded in a single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗

Materials Data on SbCl3F2 by Materials Project

SbCl3F2 crystallizes in the tetragonal I4 space group. The structure is zero-dimensional and consists of two SbCl3F2 clusters. Sb5+ is bonded to three Cl1- and three F1- atoms to form distorted corner-sharing SbCl3F3 octahedra. The corner-sharing octahedral tilt angles are 11°. There are two shorter (2.32 Å) and one longer (2.33 Å) Sb–Cl bond lengths. There are a spread of Sb–F bond distances ranging from 1.91–2.13 Å. There are three 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 distorted single-bond geometry to one Sb5+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Sb5+ atom. There are two 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 linear geometry to two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on H4NOF by Materials Project

NH3OHF crystallizes in the orthorhombic Pbca space group. The structure is zero-dimensional and consists of sixteen NH3OHF clusters. N1- is bonded in a distorted tetrahedral geometry to three H1+ and one O2- atom. There are a spread of N–H bond distances ranging from 1.04–1.06 Å. The N–O bond length is 1.42 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the fourth H1+ site, H1+ is bonded in a linear geometry to one O2- and one F1- atom. The H–O bond length is 1.04 Å. The H–F bond length is 1.44 Å. O2- is bonded in a water-like geometry to one N1- and one H1+ atom. F1- is bonded in a distorted single-bond geometry to one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on UCl2O15 by Materials Project

UO7(ClO4)2 is Silicon tetrafluoride-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of eight ClO4 clusters and four UO7 clusters. In each ClO4 cluster, there are four inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Cl atom. The O–Cl bond length is 1.43 Å. In the second O site, O is bonded in a single-bond geometry to one Cl atom. The O–Cl bond length is 1.43 Å. In the third O site, O is bonded in a single-bond geometry to one Cl atom. The O–Cl bond length is 1.49 Å. In the fourth O site, O is bonded in a single-bond geometry to one Cl atom. The O–Cl bond length is 1.49 Å. Cl is bonded in a tetrahedral geometry to four O atoms. In each UO7 cluster, U is bonded in a pentagonal bipyramidal geometry to seven O atoms. There are a spread of U–O bond distances ranging from 1.94–2.11 Å. There are seven inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one U atom. In the second O site, O is bonded in a single-bond geometry to one U atom. In the third O site, O is bonded in a single-bond geometry to one U atom. In the fourth O site, O is bonded in a single-bond geometry to one U atom. In the fifth O site, O is bonded in a single-bond geometry to one U atom. In the sixth O site, O is bonded in a single-bond geometry to one U atom. In the seventh O site, O is bonded in a single-bond geometry to one U atom.

36 MATERIALS SCIENCE↗