Crystal Structure of Rb2CoCl4 and Rb3Mn2Cl7

Abstract Previously published cell dimensions of Rb 3 Mn 2 Cl 7 are confirmed and atomic positions are given. The crystal structure of low temperature Rb 2 CoCl 4 is reported. The material was found to belong to the orthorhombic system, space group Pnma with a = 9.272 ± 0.006 Å, b = 7.283 ± 0.004, c = 12.723 ± 0.006 Å and Z = 2.