Witherite
Antao S M, Hassan I
Physics and Chemistry of Minerals 34 (2007) 573-580
BaCO3: high-temperature crystal structures and the Pmcn --> R3m phase
transition at 811 C
Locality: synthetic
Sample: T = 486 C
_database_code_amcsd 0009103
5.3293 8.9275 6.6076 90 90 90 Pmcn
atom     x     y      z  Uiso
Ba     .25 .4164  .7560 .0255
C      .25 .7499 -.0701 .0645
O1     .25 .8984 -.0718 .0645
O2   .4631 .6816 -.0798 .0645