Kuramite Chen X, Wada H, Sato A, Mieno M Journal of Solid State Chemistry 139 (1998) 144-151 Synthesis, electrical conductivity, and crystal structure of Cu4Sn7S16 and structure refinement of Cu2SnS3 Locality: synthetic _database_code_amcsd 0013950 5.413 5.413 10.824 90 90 90 I-42m atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Cu 0 0 0 .375 .020 .020 .024 0 0 0 CuM1 0 .5 .25 .2115 .019 .019 .018 0 0 0 SnM1 0 .5 .25 .1635 .019 .019 .018 0 0 0 SnM2 0 0 .5 .1736 .018 .018 .021 0 0 0 CuM2 0 0 .5 .2014 .018 .018 .021 0 0 0 S .2461 .2461 .1231 .375 .015 .015 .015 -.001 -.001 -.001