H12 Mg O9 S Anderson L, Lindquist O Acta Crystallographica C40 (1984) 584-586 Neutron Diffraction Refinement of Magnesium Sulfite Hexahydrate, Mg Te, Mg S O3 (H2 O)6 _cod_database_code 1100080 _database_code_amcsd 0018255 5.933 5.933 5.933 96.28 96.28 96.28 R3 atom x y z Mg1 0 0 0 S1 .5021 .5021 .5021 O1 .5598 .4826 .2565 O2 -.3165 -.1254 -.0765 O3 .3288 .1464 -.0496 H1 -.4523 -.0624 .0258 H2 -.3632 -.2635 .1408 H3 .4036 .2737 .0651 H4 .36722 .1930 -.1956