Materials Data on La6Cr(GeS7)2 by Materials Project
La6Cr(GeS7)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.85–3.33 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.86–3.32 Å. In the third La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.86–3.34 Å. In the fourth La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.85–3.14 Å. In the fifth La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.85–3.16 Å. In the sixth La3+ site, La3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of La–S bond distances ranging from 2.86–3.14 Å. Cr2+ is bonded in an octahedral geometry to six S2- atoms. There are a spread of Cr–S bond distances ranging from 2.55–2.60 Å. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Ge–S bond distances ranging from 2.20–2.25 Å. In the second Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.20 Å) and three longer (2.24 Å) Ge–S bond lengths. There are fourteen inequivalent S2- sites. In the first S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the second S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the third S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the fourth S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the fifth S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the sixth S2- site, S2- is bonded in a 5-coordinate geometry to four La3+ and one Cr2+ atom. In the seventh S2- site, S2- is bonded in a distorted tetrahedral geometry to three La3+ and one Ge4+ atom. In the eighth S2- site, S2- is bonded in a distorted tetrahedral geometry to three La3+ and one Ge4+ atom. In the ninth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom. In the tenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom. In the eleventh S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom. In the twelfth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom. In the thirteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom. In the fourteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three La3+ and one Ge4+ atom.