Materials Data on KInS2 by Materials Project
KInS2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six S2- atoms. There are a spread of K–S bond distances ranging from 3.23–3.36 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six S2- atoms. There are a spread of K–S bond distances ranging from 3.25–3.43 Å. There are two inequivalent In3+ sites. In the first In3+ site, In3+ is bonded to four S2- atoms to form corner-sharing InS4 tetrahedra. There are one shorter (2.48 Å) and three longer (2.49 Å) In–S bond lengths. In the second In3+ site, In3+ is bonded to four S2- atoms to form corner-sharing InS4 tetrahedra. There are one shorter (2.48 Å) and three longer (2.49 Å) In–S bond lengths. There are five inequivalent S2- sites. In the first S2- site, S2- is bonded in a 6-coordinate geometry to four K1+ and two equivalent In3+ atoms. In the second S2- site, S2- is bonded in a 6-coordinate geometry to four K1+ and two equivalent In3+ atoms. In the third S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to two K1+ and two In3+ atoms. In the fourth S2- site, S2- is bonded in a 6-coordinate geometry to four K1+ and two In3+ atoms. In the fifth S2- site, S2- is bonded in a rectangular see-saw-like geometry to two K1+ and two In3+ atoms.