Strontianite Ye Y, Smyth J R, Boni P American Mineralogist 97 (2012) 707-712 Crystal structure and thermal expansion of aragonite-group carbonates by single-crystal X-ray diffraction Note: T = 300 K Locality: Dreisteinfurt, Westphalia, Germany _database_code_amcsd 0018858 5.0914 8.3519 5.9901 90 90 90 Pmcn atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sr .25 .41598 .7573 .853 .0163 .0175 .0176 .0140 0 0 .0001 Ca .25 .41598 .7573 .147 .0163 .0175 .0176 .0140 0 0 .0001 C .25 .7574 -.086 .015 .026 .020 .000 0 0 -.003 O1 .25 .9124 -.0920 .014 .011 .016 .014 0 0 -.007 O2 .4686 .6804 -.0854 .0131 .012 .015 .012 .000 -.002 -.003