Butschliite Effenberger H, Langhof H Acta Crystallographica C40 (1984) 1299-1300 On the aplanarity of the CO3 group in buetschliite, dipotassium calcium dicarbonate, K2Ca(CO3)2: a further refinement of the atomic arrangement Locality: synthetic _database_code_amcsd 0019193 5.3822 5.3822 18.156 90 90 120 R-3m atom x y z Biso K 0 0 .20927 1.61 Ca 0 0 0 .95 C 0 0 .58831 .99 O .13776 -.13776 .58752 1.58