Ba Cr2 O7 Blum D, Averbuch-Pouchot M, Guitel J Acta Crystallographica B35 (1979) 2685-2687 Structure du Dichromate de Baryum, Form alpha _cod_database_code 1008169 _database_code_amcsd 0016109 16.31 16.67 9.474 90 95.53 90 C2/c atom x y z Ba1 0 .45992 .25 Ba2 0 .04261 .25 Ba3 .20500 .75605 .71895 Cr1 .17106 .42198 .5028 Cr2 .30709 .44080 .0070 Cr3 .41862 .32566 .4593 Cr4 .43633 .19075 .0614 O1 .4041 .0208 .4527 O2 .1361 .3631 .3750 O3 .2905 .1265 .3647 O4 .2467 .4821 .4288 O5 .1366 .0991 .1137 O6 .2452 .3736 .0615 O7 .3623 .4775 .1339 O8 .0778 .1796 .3683 O9 .4579 .4114 .4179 O10 .3257 .3155 .4002 O11 .4743 .2458 .3898 O12 .3542 .2430 .0839 O13 .0613 .3286 .1078 O14 .4360 .1089 .1513