K2S West C D Zeitschrift fur Kristallographie 88 (1934) 97-115 The crystal structures of some alkali hydrosulfides and monosulfides _database_code_amcsd 0010530 7.35 7.35 7.35 90 90 90 Fm3m atom x y z S 0 0 0 K .25 .25 .25