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DOE OSTI2020

Materials Data on Re3(PbS3)2 by Materials Project

Re3(PbS3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Re sites. In the first Re site, Re is bonded to five S atoms to form a mixture of edge and corner-sharing ReS5 square pyramids. There are a spread of Re–S bond distances ranging from 2.42–2.59 Å. In the second Re site, Re is bonded to five S atoms to form a mixture of distorted edge and corner-sharing ReS5 square pyramids. There are a spread of Re–S bond distances ranging from 2.41–2.54 Å. In the third Re site, Re is bonded to five S atoms to form distorted edge-sharing ReS5 square pyramids. There are a spread of Re–S bond distances ranging from 2.41–2.46 Å. There are three inequivalent Pb sites. In the first Pb site, Pb is bonded in a water-like geometry to two equivalent S atoms. Both Pb–S bond lengths are 3.01 Å. In the second Pb site, Pb is bonded in a 2-coordinate geometry to two S atoms. There are one shorter (2.86 Å) and one longer (3.12 Å) Pb–S bond lengths. In the third Pb site, Pb is bonded in a distorted L-shaped geometry to two equivalent S atoms. Both Pb–S bond lengths are 2.64 Å. There are six inequivalent S sites. In the first S site, S is bonded in a 4-coordinate geometry to three Re atoms. In the second S site, S is bonded in a 3-coordinate geometry to three Re atoms. In the third S site, S is bonded in a 2-coordinate geometry to two Re and two Pb atoms. In the fourth S site, S is bonded in a 4-coordinate geometry to three Re atoms. In the fifth S site, S is bonded in a 3-coordinate geometry to three Re atoms. In the sixth S site, S is bonded in a distorted T-shaped geometry to one Re and two Pb atoms.

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Materials Data on Nd3Re2O9 by Materials Project

Nd3Re2O9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Nd3+ sites. In the first Nd3+ site, Nd3+ is bonded in a 8-coordinate geometry to nine O2- atoms. There are a spread of Nd–O bond distances ranging from 2.39–2.95 Å. In the second Nd3+ site, Nd3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Nd–O bond distances ranging from 2.42–2.67 Å. In the third Nd3+ site, Nd3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Nd–O bond distances ranging from 2.38–2.81 Å. There are two inequivalent Re+4.50+ sites. In the first Re+4.50+ site, Re+4.50+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Re–O bond distances ranging from 1.93–1.95 Å. In the second Re+4.50+ site, Re+4.50+ is bonded to six O2- atoms to form edge-sharing ReO6 octahedra. There are a spread of Re–O bond distances ranging from 1.93–2.04 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Nd3+ and one Re+4.50+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Nd3+ and one Re+4.50+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Nd3+ and one Re+4.50+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Nd3+ and one Re+4.50+ atom. In the fifth O2- site, O2- is bonded to three Nd3+ and one Re+4.50+ atom to form a mixture of distorted edge and corner-sharing ONd3Re tetrahedra. In the sixth O2- site, O2- is bonded to three Nd3+ and one Re+4.50+ atom to form a mixture of distorted edge and corner-sharing ONd3Re tetrahedra. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Nd3+ and one Re+4.50+ atom. In the eighth O2- site, O2- is bonded to three Nd3+ and one Re+4.50+ atom to form a mixture of distorted edge and corner-sharing ONd3Re tetrahedra. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Nd3+ and two equivalent Re+4.50+ atoms.

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Materials Data on Na2(ReSe2)3 by Materials Project

Na2(ReSe2)3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six Se2- atoms. There are a spread of Na–Se bond distances ranging from 2.94–3.52 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Na–Se bond distances ranging from 3.08–3.47 Å. In the third Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven Se2- atoms. There are a spread of Na–Se bond distances ranging from 3.04–3.57 Å. There are three inequivalent Re+3.33+ sites. In the first Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form edge-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.53–2.58 Å. In the second Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.54–2.67 Å. In the third Re+3.33+ site, Re+3.33+ is bonded to five Se2- atoms to form a mixture of edge and corner-sharing ReSe5 square pyramids. There are a spread of Re–Se bond distances ranging from 2.53–2.69 Å. There are six inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 4-coordinate geometry to one Na1+ and three Re+3.33+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to two equivalent Na1+ and three Re+3.33+ atoms. In the third Se2- site, Se2- is bonded in a 5-coordinate geometry to two Na1+ and three Re+3.33+ atoms. In the fourth Se2- site, Se2- is bonded in a 6-coordinate geometry to three Na1+ and three Re+3.33+ atoms. In the fifth Se2- site, Se2- is bonded in a 3-coordinate geometry to three Na1+ and one Re+3.33+ atom. In the sixth Se2- site, Se2- is bonded to three Na1+ and two Re+3.33+ atoms to form distorted edge-sharing SeNa3Re2 trigonal bipyramids.

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Materials Data on LiRe3 by Materials Project

LiRe3 is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Li sites. In the first Li site, Li is bonded in a distorted body-centered cubic geometry to fourteen Re atoms. There are a spread of Li–Re bond distances ranging from 2.64–3.07 Å. In the second Li site, Li is bonded in a distorted body-centered cubic geometry to fourteen Re atoms. There are a spread of Li–Re bond distances ranging from 2.64–3.07 Å. There are three inequivalent Re sites. In the first Re site, Re is bonded to four Li and four Re atoms to form a mixture of distorted corner, edge, and face-sharing ReLi4Re4 tetrahedra. All Re–Re bond lengths are 2.64 Å. In the second Re site, Re is bonded in a 8-coordinate geometry to six Li and eight equivalent Re atoms. In the third Re site, Re is bonded in a 8-coordinate geometry to six Li and eight equivalent Re atoms.

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Materials Data on Pr3Re2O9 by Materials Project

Pr3Re2O9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Pr3+ sites. In the first Pr3+ site, Pr3+ is bonded in a 8-coordinate geometry to nine O2- atoms. There are a spread of Pr–O bond distances ranging from 2.40–2.96 Å. In the second Pr3+ site, Pr3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Pr–O bond distances ranging from 2.43–2.69 Å. In the third Pr3+ site, Pr3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pr–O bond distances ranging from 2.40–2.83 Å. There are two inequivalent Re+4.50+ sites. In the first Re+4.50+ site, Re+4.50+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Re–O bond distances ranging from 1.93–1.95 Å. In the second Re+4.50+ site, Re+4.50+ is bonded to six O2- atoms to form edge-sharing ReO6 octahedra. There are a spread of Re–O bond distances ranging from 1.93–2.04 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Pr3+ and one Re+4.50+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Pr3+ and one Re+4.50+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Re+4.50+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Re+4.50+ atom. In the fifth O2- site, O2- is bonded to three Pr3+ and one Re+4.50+ atom to form a mixture of distorted corner and edge-sharing OPr3Re tetrahedra. In the sixth O2- site, O2- is bonded to three Pr3+ and one Re+4.50+ atom to form a mixture of distorted corner and edge-sharing OPr3Re tetrahedra. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Re+4.50+ atom. In the eighth O2- site, O2- is bonded to three Pr3+ and one Re+4.50+ atom to form a mixture of distorted corner and edge-sharing OPr3Re tetrahedra. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Pr3+ and two equivalent Re+4.50+ atoms.

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Materials Data on Sc5Re24 by Materials Project

Sc5Re24 crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Sc sites. In the first Sc site, Sc is bonded in a 3-coordinate geometry to one Sc and fifteen Re atoms. The Sc–Sc bond length is 3.10 Å. There are a spread of Sc–Re bond distances ranging from 2.79–3.26 Å. In the second Sc site, Sc is bonded in a 12-coordinate geometry to four equivalent Sc and twelve equivalent Re atoms. All Sc–Re bond lengths are 3.06 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded to four Sc and eight Re atoms to form a mixture of distorted face, edge, and corner-sharing ReSc4Re8 cuboctahedra. There are a spread of Re–Re bond distances ranging from 2.55–2.89 Å. In the second Re site, Re is bonded in a 1-coordinate geometry to two equivalent Sc and eleven Re atoms. There are two shorter (2.83 Å) and four longer (2.94 Å) Re–Re bond lengths.

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Materials Data on Re24Mo5 by Materials Project

Mo5Re24 is alpha-derived structured and crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Mo sites. In the first Mo site, Mo is bonded in a 3-coordinate geometry to one Mo and fifteen Re atoms. The Mo–Mo bond length is 3.00 Å. There are a spread of Mo–Re bond distances ranging from 2.73–3.25 Å. In the second Mo site, Mo is bonded in a 12-coordinate geometry to four equivalent Mo and twelve equivalent Re atoms. All Mo–Re bond lengths are 3.01 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a 1-coordinate geometry to two equivalent Mo and eleven Re atoms. There are a spread of Re–Re bond distances ranging from 2.59–2.91 Å. In the second Re site, Re is bonded in a 12-coordinate geometry to four Mo and eight Re atoms. There are one shorter (2.48 Å) and two longer (2.64 Å) Re–Re bond lengths.

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Materials Data on Zr5Re24 by Materials Project

Zr5Re24 crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Zr sites. In the first Zr site, Zr is bonded in a 12-coordinate geometry to four equivalent Zr and twelve equivalent Re atoms. All Zr–Zr bond lengths are 3.15 Å. All Zr–Re bond lengths are 3.07 Å. In the second Zr site, Zr is bonded in a 3-coordinate geometry to one Zr and fifteen Re atoms. There are a spread of Zr–Re bond distances ranging from 2.80–3.25 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a 1-coordinate geometry to two equivalent Zr and eleven Re atoms. There are a spread of Re–Re bond distances ranging from 2.55–2.94 Å. In the second Re site, Re is bonded to four Zr and eight Re atoms to form a mixture of distorted face, edge, and corner-sharing ReZr4Re8 cuboctahedra. There are one shorter (2.53 Å) and two longer (2.70 Å) Re–Re bond lengths.

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Materials Data on Re4Cl8O9 by Materials Project

Re2(OCl2)3(ReO3Cl)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one Re2(OCl2)3 cluster and two ReO3Cl clusters. In the Re2(OCl2)3 cluster, Re+6.50+ is bonded in a 2-coordinate geometry to two O2- and three Cl1- atoms. There is one shorter (1.69 Å) and one longer (1.87 Å) Re–O bond length. There are two shorter (2.31 Å) and one longer (2.32 Å) Re–Cl bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Re+6.50+ atoms. In the second O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In each ReO3Cl cluster, Re+6.50+ is bonded in a tetrahedral geometry to three O2- and one Cl1- atom. There is two shorter (1.72 Å) and one longer (1.74 Å) Re–O bond length. The Re–Cl bond length is 2.22 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom.

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Materials Data on Ti5Re24 by Materials Project

Re24Ti5 is alpha-derived structured and crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Ti sites. In the first Ti site, Ti is bonded in a 12-coordinate geometry to four equivalent Ti and twelve equivalent Re atoms. All Ti–Ti bond lengths are 3.07 Å. All Ti–Re bond lengths are 3.01 Å. In the second Ti site, Ti is bonded in a 3-coordinate geometry to one Ti and fifteen Re atoms. There are a spread of Ti–Re bond distances ranging from 2.73–3.22 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a 1-coordinate geometry to two equivalent Ti and eleven Re atoms. There are a spread of Re–Re bond distances ranging from 2.57–2.90 Å. In the second Re site, Re is bonded to four Ti and eight Re atoms to form a mixture of distorted face, edge, and corner-sharing ReTi4Re8 cuboctahedra. There are one shorter (2.48 Å) and two longer (2.64 Å) Re–Re bond lengths.

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Materials Data on Hf5Re24 by Materials Project

Hf5Re24 crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Hf sites. In the first Hf site, Hf is bonded in a 12-coordinate geometry to four equivalent Hf and twelve equivalent Re atoms. All Hf–Hf bond lengths are 3.14 Å. All Hf–Re bond lengths are 3.06 Å. In the second Hf site, Hf is bonded in a 3-coordinate geometry to one Hf and fifteen Re atoms. There are a spread of Hf–Re bond distances ranging from 2.79–3.24 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a 1-coordinate geometry to two equivalent Hf and eleven Re atoms. There are a spread of Re–Re bond distances ranging from 2.56–2.93 Å. In the second Re site, Re is bonded to four Hf and eight Re atoms to form a mixture of distorted edge, corner, and face-sharing ReHf4Re8 cuboctahedra. There are one shorter (2.52 Å) and two longer (2.68 Å) Re–Re bond lengths.

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Materials Data on Al5Re24 by Materials Project

Al5Re24 is alpha-derived structured and crystallizes in the cubic I-43m space group. The structure is three-dimensional. there are two inequivalent Re sites. In the first Re site, Re is bonded in a 1-coordinate geometry to eleven Re and two equivalent Al atoms. There are a spread of Re–Re bond distances ranging from 2.56–2.89 Å. There are one shorter (2.75 Å) and one longer (3.23 Å) Re–Al bond lengths. In the second Re site, Re is bonded in a 12-coordinate geometry to eight Re and four Al atoms. There are one shorter (2.50 Å) and two longer (2.61 Å) Re–Re bond lengths. There are a spread of Re–Al bond distances ranging from 2.92–3.13 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 12-coordinate geometry to twelve equivalent Re and four equivalent Al atoms. All Al–Al bond lengths are 3.00 Å. In the second Al site, Al is bonded in a 3-coordinate geometry to fifteen Re and one Al atom.

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Materials Data on Re3(Cl5O4)2 by Materials Project

Re3(O2Cl5)2(O2)2 crystallizes in the tetragonal P4_12_12 space group. The structure is zero-dimensional and consists of eight hydrogen peroxide molecules and four Re3(O2Cl5)2 clusters. In each Re3(O2Cl5)2 cluster, there are two inequivalent Re sites. In the first Re site, Re is bonded to five Cl atoms to form corner-sharing ReCl5 trigonal bipyramids. There are a spread of Re–Cl bond distances ranging from 2.23–2.47 Å. In the second Re site, Re is bonded to one O and four Cl atoms to form distorted corner-sharing ReCl4O trigonal bipyramids. The Re–O bond length is 1.70 Å. There are a spread of Re–Cl bond distances ranging from 2.30–2.51 Å. There are two 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 1.57 Å. In the second O site, O is bonded in a single-bond geometry to one Re atom. There are six inequivalent Cl sites. In the first Cl site, Cl is bonded in a single-bond geometry to one Re atom. In the second Cl site, Cl is bonded in a bent 120 degrees geometry to two equivalent Re atoms. In the third Cl site, Cl is bonded in a water-like geometry to two Re atoms. In the fourth Cl site, Cl is bonded in a bent 120 degrees geometry to one Re and one O atom. In the fifth Cl site, Cl is bonded in a single-bond geometry to one Re atom. In the sixth Cl site, Cl is bonded in a single-bond geometry to one Re atom.

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Materials Data on Re3Br9O2 by Materials Project

Re3O2Br9 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Re+4.33+ sites. In the first Re+4.33+ site, Re+4.33+ is bonded in a distorted single-bond geometry to one O2- and four Br1- atoms. The Re–O bond length is 1.75 Å. There are a spread of Re–Br bond distances ranging from 2.48–2.55 Å. In the second Re+4.33+ site, Re+4.33+ is bonded to five Br1- atoms to form a mixture of distorted edge and corner-sharing ReBr5 square pyramids. There are a spread of Re–Br bond distances ranging from 2.42–2.90 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Re+4.33+ and two equivalent O2- atoms. Both O–O bond lengths are 2.89 Å. In the second O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent O2- and four Br1- atoms. There are two shorter (3.35 Å) and two longer (3.62 Å) O–Br bond lengths. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted single-bond geometry to one Re+4.33+ and one O2- atom. In the second Br1- site, Br1- is bonded in a distorted water-like geometry to two equivalent Re+4.33+ atoms. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Re+4.33+ and two equivalent O2- atoms. In the fourth Br1- site, Br1- is bonded in a distorted single-bond geometry to one Re+4.33+ atom. In the fifth Br1- site, Br1- is bonded in a 2-coordinate geometry to two Re+4.33+ atoms. In the sixth Br1- site, Br1- is bonded in a 2-coordinate geometry to two equivalent Re+4.33+ atoms.

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Materials Data on Ba(ReO6)2 by Materials Project

Ba(ReO4)2(O2)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of eight hydrogen peroxide molecules and one Ba(ReO4)2 framework. In the Ba(ReO4)2 framework, Ba is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ba–O bond distances ranging from 2.74–2.84 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a tetrahedral geometry to four O atoms. There is one shorter (1.74 Å) and three longer (1.76 Å) Re–O bond length. In the second Re site, Re is bonded in a tetrahedral geometry to four O atoms. There is two shorter (1.75 Å) and two longer (1.76 Å) Re–O bond length. There are eight inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the second O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the third O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the fourth O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the fifth O site, O is bonded in a single-bond geometry to one Re atom. In the sixth O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the seventh O site, O is bonded in a distorted single-bond geometry to one Ba and one Re atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to one Ba and one Re atom.

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Materials Data on Re2Cl5O4 by Materials Project

ReO3ClReOCl4 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one ReO3Cl cluster and one ReOCl4 cluster. In the ReO3Cl cluster, Re+6.50+ is bonded in a tetrahedral geometry to three O2- and one Cl1- atom. There is two shorter (1.72 Å) and one longer (1.73 Å) Re–O bond length. The Re–Cl bond length is 2.22 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Re+6.50+ atom. Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the ReOCl4 cluster, Re+6.50+ is bonded in a 5-coordinate geometry to one O2- and four Cl1- atoms. The Re–O bond length is 1.69 Å. All Re–Cl bond lengths are 2.29 Å. O2- is bonded in a single-bond geometry to one Re+6.50+ atom. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom. In the fourth Cl1- site, Cl1- is bonded in a single-bond geometry to one Re+6.50+ atom.

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Materials Data on Ca(ReO5)2 by Materials Project

Ca(ReO5)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.66 Å. There are two inequivalent Re sites. In the first Re site, Re is bonded in a tetrahedral geometry to four O atoms. There are a spread of Re–O bond distances ranging from 1.73–1.81 Å. In the second Re site, Re is bonded in a tetrahedral geometry to four O atoms. There is one shorter (1.73 Å) and three longer (1.76 Å) Re–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Re atom. In the second O site, O is bonded in a bent 120 degrees geometry to two equivalent Ca atoms. In the third O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and one Re atom. In the fourth O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and one Re atom. In the fifth O site, O is bonded in a linear geometry to one Ca and one Re atom. In the sixth O site, O is bonded in a linear geometry to one Ca and one Re atom. In the seventh O site, O is bonded in a single-bond geometry to one Re atom. In the eighth O site, O is bonded in a single-bond geometry to one Re atom. In the ninth O site, O is bonded in a single-bond geometry to one Ca atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to one Ca and one Re atom.

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