DOI: 10.17188/1276822
title: Materials Data on Cu2S by Materials Project

description: Cu2S crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are twenty-four inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.26–2.30 Å. In the second Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.31–2.36 Å. In the third Cu1+ site, Cu1+ is bonded in a distorted bent 150 degrees geometry to two S2- atoms. There are one shorter (2.19 Å) and one longer (2.21 Å) Cu–S bond lengths. In the fourth Cu1+ site, Cu1+ is bonded in a 3-coordinate geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.29–2.35 Å. In the fifth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.29–2.38 Å. In the sixth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.28–2.38 Å. In the seventh Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.28–2.38 Å. In the eighth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.29–2.39 Å. In the ninth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.32–2.41 Å. In the tenth Cu1+ site, Cu1+ is bonded in a 3-coordinate geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.26–2.35 Å. In the eleventh Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.31–2.37 Å. In the twelfth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are one shorter (2.27 Å) and two longer (2.29 Å) Cu–S bond lengths. In the thirteenth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.23–2.36 Å. In the fourteenth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.28–2.35 Å. In the fifteenth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.25–2.29 Å. In the sixteenth Cu1+ site, Cu1+ is bonded in a distorted trigonal non-coplanar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.26–2.37 Å. In the seventeenth Cu1+ site, Cu1+ is bonded in a 2-coordinate geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.23–2.75 Å. In the eighteenth Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.27–2.39 Å. In the nineteenth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.30–2.33 Å. In the twentieth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.23–2.33 Å. In the twenty-first Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.25–2.34 Å. In the twenty-second Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.30–2.36 Å. In the twenty-third Cu1+ site, Cu1+ is bonded in a trigonal planar geometry to three S2- atoms. There are two shorter (2.28 Å) and one longer (2.34 Å) Cu–S bond lengths. In the twenty-fourth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three S2- atoms. There are a spread of Cu–S bond distances ranging from 2.24–2.47 Å. There are twelve inequivalent S2- sites. In the first S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the second S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the third S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the fourth S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the fifth S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the sixth S2- site, S2- is bonded in a 5-coordinate geometry to five Cu1+ atoms. In the seventh S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the eighth S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the ninth S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the tenth S2- site, S2- is bonded in a distorted hexagonal planar geometry to six Cu1+ atoms. In the eleventh S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms. In the twelfth S2- site, S2- is bonded in a 6-coordinate geometry to six Cu1+ atoms.