Materials Data on Dy12Si5S28 by Materials Project
Dy12Si5S28 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.75–2.94 Å. In the second Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.70–3.38 Å. In the third Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.70–3.38 Å. In the fourth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.74–2.95 Å. In the fifth Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.70–3.36 Å. In the sixth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.76–2.95 Å. In the seventh Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.68–3.14 Å. In the eighth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.77–3.08 Å. In the ninth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.77–3.08 Å. In the tenth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.70–3.13 Å. In the eleventh Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.77–3.08 Å. In the twelfth Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Dy–S bond distances ranging from 2.69–3.13 Å. There are five inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.10 Å) and three longer (2.15 Å) Si–S bond lengths. In the second Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Si–S bond distances ranging from 2.10–2.15 Å. In the third Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Si–S bond distances ranging from 2.10–2.16 Å. In the fourth Si4+ site, Si4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Si–S bond distances ranging from 2.10–2.16 Å. In the fifth Si4+ site, Si4+ is bonded in an octahedral geometry to six S2- atoms. There are a spread of Si–S bond distances ranging from 2.34–2.39 Å. There are twenty-eight inequivalent S2- sites. In the first S2- site, S2- is bonded to three Dy3+ and one Si4+ atom to form distorted corner-sharing SDy3Si tetrahedra. In the second S2- site, S2- is bonded in a distorted tetrahedral geometry to three Dy3+ and one Si4+ atom. In the third S2- site, S2- is bonded to three Dy3+ and one Si4+ atom to form distorted corner-sharing SDy3Si tetrahedra. In the fourth S2- site, S2- is bonded to three Dy3+ and one Si4+ atom to form distorted corner-sharing SDy3Si tetrahedra. In the fifth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Si4+ atom. In the sixth S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the seventh S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the eighth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Si4+ atom. In the ninth S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the tenth S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the eleventh S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the twelfth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Si4+ atom. In the thirteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Si4+ atom. In the fourteenth S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the fifteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Dy3+ and one Si4+ atom. In the sixteenth S2- site, S2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the seventeenth S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ and one Si4+ atom. In the eighteenth S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ atoms. In the nineteenth S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ atoms. In the twentieth S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ and one Si4+ atom. In the twenty-first S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ atoms. In the twenty-second S2- site, S2- is bonded in a 4-coordinate geometry to four Dy3+ and one Si4+ atom. In the twenty-third S2- site, S2- is bonded to four Dy3+ atoms to form distorted corner-sharing SDy4 trigonal pyramids. In the twenty-fourth S2- site, S2- is bonded in a 5-coordinate geometry to four Dy3+ and one Si4+ atom. In the twenty-fifth S2- site, S2- is bonded in a 5-coordinate geometry to four Dy3+ and one Si4+ atom. In the twenty-sixth S2- site, S2- is bonded in a distorted square co-planar geometry to four Dy3+ atoms. In the twenty-seventh S2- site, S2- is bonded in a 5-coordinate geometry to four Dy3+ and one Si4+ atom. In the twenty-eighth S2- site, S2- is bonded in a distorted square co-planar geometry to four Dy3+ atoms.