Polkanovite Lambert-Andron B, Dhahri E, Chaudouet P, Madar R Journal of the Less-Common Metals 108 (1985) 353-358 Crystal structure of Rh12As7 Locality: synthetic _database_code_amcsd 0014153 9.315 9.315 3.659 90 90 120 P6_3/m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Rh1 .5158 .3802 .25 .00201 .00199 .0144 .0021 0 0 Rh2 .2436 .0086 .25 .00572 .00226 .0110 .0038 0 0 As1 .2855 .4459 .25 .0013 .0019 .0112 .0012 0 0 As2 0 0 .25 .30 .0046 .0046 .135 .0046 0 0 As3 0 0 0 .20 .00017 .00017 .213 .00017 0 0