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Sr(InTe2)2 crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. Sr2+ is bonded in a square co-planar geometry to four equivalent Te2- atoms. All Sr–Te bond lengths are 3.34 Å. In3+ is bonded to four equivalent Te2- atoms to form edge-sharing InTe4 tetrahedra. All In–Te bond lengths are 2.85 Å. Te2- is bonded in a 3-coordinate geometry to one Sr2+ and two equivalent In3+ atoms.
Sr(AsS2)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Sr2+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Sr–S bond distances ranging from 3.02–3.33 Å. There are two inequivalent As3+ sites. In the first As3+ site, As3+ is bonded in a see-saw-like geometry to four S2- atoms. There are a spread of As–S bond distances ranging from 2.20–2.92 Å. In the second As3+ site, As3+ is bonded in a trigonal non-coplanar geometry to three S2- atoms. There are a spread of As–S bond distances ranging from 2.26–2.33 Å. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a 4-coordinate geometry to two equivalent Sr2+ and two As3+ atoms. In the second S2- site, S2- is bonded in a 2-coordinate geometry to two equivalent Sr2+ and one As3+ atom. In the third S2- site, S2- is bonded to two equivalent Sr2+ and two As3+ atoms to form distorted corner-sharing SSr2As2 trigonal pyramids. In the fourth S2- site, S2- is bonded in a 3-coordinate geometry to one Sr2+ and two As3+ atoms.
Sr(CeSe2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent Se2- atoms to form distorted SrSe8 hexagonal bipyramids that share corners with eight equivalent CeSe8 hexagonal bipyramids, edges with four equivalent SrSe8 hexagonal bipyramids, and faces with eight equivalent CeSe8 hexagonal bipyramids. There are four shorter (3.10 Å) and four longer (3.27 Å) Sr–Se bond lengths. Ce3+ is bonded to eight equivalent Se2- atoms to form distorted CeSe8 hexagonal bipyramids that share corners with four equivalent SrSe8 hexagonal bipyramids, corners with four equivalent CeSe8 hexagonal bipyramids, edges with four equivalent CeSe8 hexagonal bipyramids, faces with four equivalent SrSe8 hexagonal bipyramids, and faces with four equivalent CeSe8 hexagonal bipyramids. There are a spread of Ce–Se bond distances ranging from 3.00–3.23 Å. Se2- is bonded to two equivalent Sr2+ and four equivalent Ce3+ atoms to form a mixture of distorted face, edge, and corner-sharing SeSr2Ce4 octahedra. The corner-sharing octahedra tilt angles range from 16–51°.
Sr(AlTe2)2 crystallizes in the tetragonal I422 space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight equivalent Te2- atoms. All Sr–Te bond lengths are 3.55 Å. Al3+ is bonded to four equivalent Te2- atoms to form edge-sharing AlTe4 tetrahedra. All Al–Te bond lengths are 2.65 Å. Te2- is bonded in a 4-coordinate geometry to two equivalent Sr2+ and two equivalent Al3+ atoms.
Sr(GdS2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent S2- atoms to form distorted SrS8 hexagonal bipyramids that share corners with eight equivalent GdS8 hexagonal bipyramids, edges with four equivalent SrS8 hexagonal bipyramids, and faces with eight equivalent GdS8 hexagonal bipyramids. There are four shorter (2.94 Å) and four longer (3.12 Å) Sr–S bond lengths. Gd3+ is bonded to eight equivalent S2- atoms to form distorted GdS8 hexagonal bipyramids that share corners with four equivalent SrS8 hexagonal bipyramids, corners with four equivalent GdS8 hexagonal bipyramids, edges with four equivalent GdS8 hexagonal bipyramids, faces with four equivalent SrS8 hexagonal bipyramids, and faces with four equivalent GdS8 hexagonal bipyramids. There are a spread of Gd–S bond distances ranging from 2.79–3.12 Å. S2- is bonded in a 6-coordinate geometry to two equivalent Sr2+ and four equivalent Gd3+ atoms.
Sr(PrSe2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent Se2- atoms to form distorted SrSe8 hexagonal bipyramids that share corners with eight equivalent PrSe8 hexagonal bipyramids, edges with four equivalent SrSe8 hexagonal bipyramids, and faces with eight equivalent PrSe8 hexagonal bipyramids. There are four shorter (3.10 Å) and four longer (3.28 Å) Sr–Se bond lengths. Pr3+ is bonded to eight equivalent Se2- atoms to form distorted PrSe8 hexagonal bipyramids that share corners with four equivalent SrSe8 hexagonal bipyramids, corners with four equivalent PrSe8 hexagonal bipyramids, edges with four equivalent PrSe8 hexagonal bipyramids, faces with four equivalent SrSe8 hexagonal bipyramids, and faces with four equivalent PrSe8 hexagonal bipyramids. There are a spread of Pr–Se bond distances ranging from 3.02–3.24 Å. Se2- is bonded to two equivalent Sr2+ and four equivalent Pr3+ atoms to form a mixture of distorted edge, face, and corner-sharing SeSr2Pr4 octahedra. The corner-sharing octahedra tilt angles range from 16–51°.
Sr(SmSe2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent Se2- atoms to form distorted SrSe8 hexagonal bipyramids that share corners with eight equivalent SmSe8 hexagonal bipyramids, edges with four equivalent SrSe8 hexagonal bipyramids, and faces with eight equivalent SmSe8 hexagonal bipyramids. There are four shorter (3.08 Å) and four longer (3.26 Å) Sr–Se bond lengths. Sm3+ is bonded to eight equivalent Se2- atoms to form distorted SmSe8 hexagonal bipyramids that share corners with four equivalent SrSe8 hexagonal bipyramids, corners with four equivalent SmSe8 hexagonal bipyramids, edges with four equivalent SmSe8 hexagonal bipyramids, faces with four equivalent SrSe8 hexagonal bipyramids, and faces with four equivalent SmSe8 hexagonal bipyramids. There are a spread of Sm–Se bond distances ranging from 2.95–3.23 Å. Se2- is bonded in a 6-coordinate geometry to two equivalent Sr2+ and four equivalent Sm3+ atoms.
Sr(PrS2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent S2- atoms to form distorted SrS8 hexagonal bipyramids that share corners with eight equivalent PrS8 hexagonal bipyramids, edges with four equivalent SrS8 hexagonal bipyramids, and faces with eight equivalent PrS8 hexagonal bipyramids. There are four shorter (2.98 Å) and four longer (3.16 Å) Sr–S bond lengths. Pr3+ is bonded to eight equivalent S2- atoms to form distorted PrS8 hexagonal bipyramids that share corners with four equivalent SrS8 hexagonal bipyramids, corners with four equivalent PrS8 hexagonal bipyramids, edges with four equivalent PrS8 hexagonal bipyramids, faces with four equivalent SrS8 hexagonal bipyramids, and faces with four equivalent PrS8 hexagonal bipyramids. There are a spread of Pr–S bond distances ranging from 2.89–3.12 Å. S2- is bonded to two equivalent Sr2+ and four equivalent Pr3+ atoms to form a mixture of distorted edge, face, and corner-sharing SSr2Pr4 octahedra. The corner-sharing octahedra tilt angles range from 16–51°.
Sr(ErS2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight equivalent S2- atoms. There are four shorter (2.90 Å) and four longer (3.12 Å) Sr–S bond lengths. Er3+ is bonded in a 8-coordinate geometry to eight equivalent S2- atoms. There are a spread of Er–S bond distances ranging from 2.72–3.16 Å. S2- is bonded in a 6-coordinate geometry to two equivalent Sr2+ and four equivalent Er3+ atoms.
Sr(NdSe2)2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent Se2- atoms to form distorted SrSe8 hexagonal bipyramids that share corners with eight equivalent NdSe8 hexagonal bipyramids, edges with four equivalent SrSe8 hexagonal bipyramids, and faces with eight equivalent NdSe8 hexagonal bipyramids. There are four shorter (3.09 Å) and four longer (3.28 Å) Sr–Se bond lengths. Nd3+ is bonded to eight equivalent Se2- atoms to form distorted NdSe8 hexagonal bipyramids that share corners with four equivalent SrSe8 hexagonal bipyramids, corners with four equivalent NdSe8 hexagonal bipyramids, edges with four equivalent NdSe8 hexagonal bipyramids, faces with four equivalent SrSe8 hexagonal bipyramids, and faces with four equivalent NdSe8 hexagonal bipyramids. There are a spread of Nd–Se bond distances ranging from 2.99–3.25 Å. Se2- is bonded to two equivalent Sr2+ and four equivalent Nd3+ atoms to form a mixture of distorted edge, corner, and face-sharing SeSr2Nd4 octahedra. The corner-sharing octahedra tilt angles range from 16–51°.
Sr(NO3)2 crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Sr2+ is bonded to twelve equivalent O2- atoms to form corner-sharing SrO12 cuboctahedra. There are six shorter (2.75 Å) and six longer (2.90 Å) Sr–O bond lengths. N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.27 Å. O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one N5+ atom.
SrGa2O4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–3.12 Å. In the second Sr2+ site, Sr2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.82 Å. There are four inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four O2- atoms to form corner-sharing GaO4 tetrahedra. There are a spread of Ga–O bond distances ranging from 1.85–1.89 Å. In the second Ga3+ site, Ga3+ is bonded to four O2- atoms to form corner-sharing GaO4 tetrahedra. There is one shorter (1.86 Å) and three longer (1.87 Å) Ga–O bond length. In the third Ga3+ site, Ga3+ is bonded to four O2- atoms to form corner-sharing GaO4 tetrahedra. There are a spread of Ga–O bond distances ranging from 1.85–1.88 Å. In the fourth Ga3+ site, Ga3+ is bonded to four O2- atoms to form corner-sharing GaO4 tetrahedra. There are a spread of Ga–O bond distances ranging from 1.85–1.88 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Sr2+ and two Ga3+ atoms to form a mixture of distorted corner and edge-sharing OSr2Ga2 trigonal pyramids. In the second O2- site, O2- is bonded to two Sr2+ and two Ga3+ atoms to form a mixture of distorted corner and edge-sharing OSr2Ga2 tetrahedra. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+ and two Ga3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Sr2+ and two Ga3+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Ga3+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and two Ga3+ atoms. In the seventh O2- site, O2- is bonded in a trigonal planar geometry to one Sr2+ and two Ga3+ atoms. In the eighth O2- site, O2- is bonded to two Sr2+ and two Ga3+ atoms to form distorted corner-sharing OSr2Ga2 tetrahedra.
Sr(O3Br)2 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.57–2.88 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one Br5+ atom. The O–Br bond length is 1.70 Å. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+ and one Br5+ atom. The O–Br bond length is 1.68 Å. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Sr2+ and one Br5+ atom. The O–Br bond length is 1.68 Å. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Sr2+ and one Br5+ atom. The O–Br bond length is 1.70 Å. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+ and one Br5+ atom. The O–Br bond length is 1.68 Å. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sr2+ and one Br5+ atom. The O–Br bond length is 1.68 Å. There are two inequivalent Br5+ sites. In the first Br5+ site, Br5+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. In the second Br5+ site, Br5+ is bonded in a trigonal non-coplanar geometry to three O2- atoms.
Sr(ReO3)3 crystallizes in the orthorhombic Pnn2 space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.59–3.01 Å. There are four inequivalent Re+5.33+ sites. In the first Re+5.33+ site, Re+5.33+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing ReO6 octahedra. The corner-sharing octahedra tilt angles range from 41–43°. There are a spread of Re–O bond distances ranging from 1.92–2.00 Å. In the second Re+5.33+ site, Re+5.33+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing ReO6 octahedra. The corner-sharing octahedra tilt angles range from 40–43°. There are a spread of Re–O bond distances ranging from 1.89–2.01 Å. In the third Re+5.33+ site, Re+5.33+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing ReO6 octahedra. The corner-sharing octahedra tilt angles range from 40–43°. There are a spread of Re–O bond distances ranging from 1.91–2.04 Å. In the fourth Re+5.33+ site, Re+5.33+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing ReO6 octahedra. The corner-sharing octahedra tilt angles range from 40–42°. There are a spread of Re–O bond distances ranging from 1.90–1.99 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in an L-shaped geometry to two equivalent Re+5.33+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and two Re+5.33+ atoms. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Re+5.33+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two equivalent Re+5.33+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Re+5.33+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Re+5.33+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and two Re+5.33+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+ and two Re+5.33+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and two Re+5.33+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Sr2+ and two equivalent Re+5.33+ atoms.
Sr(PO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.98 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.65 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+ and two P5+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one Sr2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one P5+ atom.
Sr(Si3N4)2 crystallizes in the orthorhombic Imm2 space group. The structure is three-dimensional. Sr2+ is bonded in a 10-coordinate geometry to ten N+2.25- atoms. There are a spread of Sr–N bond distances ranging from 2.70–3.20 Å. There are two inequivalent Si+2.67+ sites. In the first Si+2.67+ site, Si+2.67+ is bonded to four N+2.25- atoms to form corner-sharing SiN4 tetrahedra. There are a spread of Si–N bond distances ranging from 1.69–1.78 Å. In the second Si+2.67+ site, Si+2.67+ is bonded in a trigonal non-coplanar geometry to three N+2.25- atoms. There is two shorter (1.75 Å) and one longer (1.76 Å) Si–N bond length. There are three inequivalent N+2.25- sites. In the first N+2.25- site, N+2.25- is bonded in a 2-coordinate geometry to two equivalent Sr2+ and two equivalent Si+2.67+ atoms. In the second N+2.25- site, N+2.25- is bonded in a trigonal planar geometry to one Sr2+ and three Si+2.67+ atoms. In the third N+2.25- site, N+2.25- is bonded in a distorted trigonal non-coplanar geometry to one Sr2+ and three Si+2.67+ atoms.
Sr(PdSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded to eight equivalent Si4- atoms to form SrSi8 hexagonal bipyramids that share corners with sixteen equivalent PdSi4 tetrahedra, edges with four equivalent SrSi8 hexagonal bipyramids, edges with eight equivalent PdSi4 tetrahedra, and faces with four equivalent SrSi8 hexagonal bipyramids. All Sr–Si bond lengths are 3.31 Å. Pd3+ is bonded to four equivalent Si4- atoms to form PdSi4 tetrahedra that share corners with eight equivalent SrSi8 hexagonal bipyramids, corners with four equivalent PdSi4 tetrahedra, edges with four equivalent SrSi8 hexagonal bipyramids, and edges with four equivalent PdSi4 tetrahedra. All Pd–Si bond lengths are 2.50 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Sr2+, four equivalent Pd3+, and one Si4- atom. The Si–Si bond length is 2.49 Å.
Sr(OsP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight equivalent Os2- atoms. All Sr–Os bond lengths are 3.49 Å. Os2- is bonded in a 12-coordinate geometry to four equivalent Sr2+ and four equivalent P1+ atoms. All Os–P bond lengths are 2.35 Å. P1+ is bonded in a 4-coordinate geometry to four equivalent Os2- atoms.