Fe K S2 Bronger W, Kyas A, Muller P Journal of Solid State Chemistry 70 (1987) 262-270 The antiferromagnetic structures of K Fe S2, Rb Fe S2, K Fe Se2, and Rb Fe Se2 and the correlation between magnetic moments and crystal field calculations _cod_database_code 1008338 _database_code_amcsd 0016249 7.084 11.303 5.394 90 113.2 90 C2/c atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Fe1 0 .99668 .25 .0176 .0193 .0114 0 .0064 0 K1 0 .3572 .25 .0283 .0291 .0270 0 .0062 0 S1 .196 .1098 .1068 .0247 .0239 .0172 -.0082 .0093 -.0028