Tsaregorodtsevite Sokolova E V, Rybakov V B, Pautov L A, Pushcharovsky D Yu Doklady Akademii Nauk SSSR 332 (1993) 309-312 Structural changes in tsaregorodtsevite _database_code_amcsd 0012488 8.984 8.937 8.927 90 90 90 I222 atom x y z occ Biso N 0 0 0 1.8 C1 .001 .127 .116 1/3 3.8 C2 .126 .007 .119 1/3 4.8 C3 .121 .117 .001 1/3 4.9 Si1 .5 .2511 0 1.08 Si2 .2491 0 .5 1.05 Si3 0 .5 .2498 .5 1.09 Al3 0 .5 .2498 .5 1.09 O1 .003 .3550 .3537 3.45 O2 .3509 -.001 .3544 3.8 O3 .3531 .3540 .007 3.9