Rasvumite Mitchell R H, Ross K C, Potter E G Journal of Solid State Chemistry 177 (2004) 1867-1872 Crystal structures of CsFe2S3 and RbFe2S3: Synthetic analogs of rasvumite KFe2S3 Locality: synthetic _database_code_amcsd 0014047 9.3268 11.3693 5.4592 90 90 90 Cmcm atom x y z occ Biso Cs .5 .1676 .25 .5 1.4 K .5 .1676 .25 .5 1.4 Fe .3513 .5 0 1.0 S1 .5 .6187 .25 2.5 S2 .2252 .3863 .25 2.5