Dimorphite Whitfield H J Journal of the Chemical Society, Dalton Transactions, Inorganic Chemistry 1973 (1973) 1737-1738 Crystal structure of the beta-form of tetraarsenic trisulphide Locality: synthetic _database_code_amcsd 0014106 11.21 9.90 6.58 90 90 90 Pnma atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) As1 .6850 .25 .1741 .0036 .0085 .0065 0 0 -.0007 As2 .4145 .25 -.1045 .0023 .0070 .0117 0 0 -.0016 As3 .5705 .1247 -.2880 .0061 .0038 .0094 .0001 -.0021 -.0008 S1 .7020 .0796 -.0456 .0042 .0043 .0127 -.0031 -.0006 -.0001 S2 .4868 .25 .2097 .0010 .0078 .0067 0 0 -.0006