Ba2CuSi2O7 Du J M, Zeng H Y, Song L J, Dong Z C, Ma H W, Guo G C, Huang J S Jiegou Huaxue 22 (2003) 33-36 Synthesis and structure of a new polymorph Ba2CuSi2O7 Note: known as beta-Ba2CuSi2O7 Locality: synthetic _database_code_amcsd 0018759 8.284 8.284 5.313 90 90 90 P-42_1m atom x y z Uiso Ba .33311 .16689 .5091 .00934 Cu 0 0 0 .0105 Si .1350 .3650 .9734 .0076 O1 0 .5 .870 .011 O2 .1356 .36438 .277 .011 O3 .0790 .1965 .840 .013