SrSiO3 Machida K I, Adachi G Y, Shiokawa J, Shimada M, Koizumi M, Suito K, Onodera A Inorganic Chemistry 21 (1982) 1512-1519 High-pressure synthesis, crystal structures, and luminescences properties of europium(II) metasilicate and europium(II)-activated calcium and strontium metasilicates Note: known as the delta-prime-phase _database_code_amcsd 0016727 7.452 6.066 13.479 90 117.09 90 P2_1/c atom x y z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sr(1) .2567 .0897 .3404 .0094 .0039 .0079 .0001 .0059 .0007 Sr(2) .2147 .8983 .6261 .0077 .0041 .0065 -.0003 .0042 .0002 Si(1) .158 .590 .408 .37 Si(2) .451 .353 .617 .31 O(1) .311 .590 .346 .50 O(2) .005 .386 .351 .48 O(3) .054 .829 .400 .37 O(4) .314 .561 .539 .71 O(5) .433 .328 .733 .46 O(6) .400 .127 .548 .49