Materials Data on RbAg3S2 by Materials Project
RbAg3S2 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one RbAg3S2 sheet oriented in the (0, 0, 1) direction. Rb1+ is bonded in a 4-coordinate geometry to four S2- atoms. There are two shorter (3.33 Å) and two longer (3.47 Å) Rb–S bond lengths. There are three inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to three S2- atoms. There are one shorter (2.46 Å) and two longer (2.90 Å) Ag–S bond lengths. In the second Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to three S2- atoms. There are two shorter (2.55 Å) and one longer (2.87 Å) Ag–S bond lengths. In the third Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to three S2- atoms. There are two shorter (2.47 Å) and one longer (2.98 Å) Ag–S bond lengths. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 2-coordinate geometry to two equivalent Rb1+ and five Ag1+ atoms. In the second S2- site, S2- is bonded in a 6-coordinate geometry to two equivalent Rb1+ and four Ag1+ atoms.