Struvite Ferraris G, Fuess H, Joswig W Acta Crystallographica B42 (1986) 253-258 Neutron diffraction study of MgNH4PO4*6H2O (struvite) and survey of water molecules donating short hydrogen bonds _database_code_amcsd 0009807 6.955 6.142 11.218 90 90 90 Pmn2_1 atom x y z Biso Mg 0 .3766 .3741 1.28 N 0 .3657 .7351 2.60 HN1 0 .2186 .7832 3.30 HN2 0 .3311 .6473 6.16 HN3 .1148 .4557 .7535 5.13 P 0 -.0069 .0019 1.09 O1 0 -.0236 -.1351 1.67 O2 0 -.2382 .0558 1.70 O3 .1823 .1139 .0436 1.48 OW1 0 .6829 .2878 2.66 OW2 0 .0768 .4664 3.01 OW3 .2179 .2618 .2643 1.92 OW4 .2115 .4852 .4874 2.40 H11 0 .7192 .2017 2.81 H12 0 .8174 .3299 4.04 H21 .1157 .0070 .4999 2.51 H31 .1989 .2007 .1824 2.46 H32 .3169 .1702 .3020 2.62 H41 .3200 .3904 .5120 2.63 H42 .2511 .6354 .5027 2.68