CaNH4P3O9 Masse R, Durif A, Guitel J C Zeitschrift fur Kristallographie 141 (1975) 113-125 Structure cristalline du trimetaphosphate CaNH4P3O9; Trimetaphosphates: CaKP3O9, CaCsP3O9 et CaNH4P3O9*3H2O Note: x(P2) adjusted to match reported bond lengths _database_code_amcsd 0010771 7.446 12.461 10.050 90 90 90.11 P2_1/n atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca .2424 .7228 .5132 1.19 .0077 .0016 .0022 .0000 .0004 .0000 NH4 .2277 .0839 .9065 2.1 .0105 .0029 .0051 .0017 .0007 .0009 P1 .0662 .1649 .2488 1.08 .0057 .0016 .0024 .0004 .0002 .0000 P2 .4661 .1327 .2491 1.15 .0050 .0019 .0028 -.0007 -.0001 .0001 P3 .2160 -.0436 .2861 1.09 .0077 .0010 .0022 .0002 .0005 .0005 O1 .0748 .0504 .3218 1.5 .0079 .0015 .0043 -.0009 .0012 .0008 O2 .2743 .1869 .2152 2.3 .0074 .0027 .0085 .0009 .0021 .0031 O3 .4033 .0188 .3113 1.6 .0066 .0029 .0037 .0007 -.0009 .0015 O4 .0040 .2467 .3470 2.0 .0080 .0037 .0046 .0014 .0022 .0008 O5 .9718 .1514 .1210 2.6 .0152 .0038 .0048 .0026 -.0043 -.0020 O6 .5515 .1964 .3520 4.2 .0236 .0081 .0063 -.0086 -.0063 .0005 O7 .5525 .1139 .1190 2.6 .0141 .0040 .0052 .0000 .0053 .0000 O8 .1972 -.0674 .1416 2.0 .0155 .0020 .0029 .0006 -.0015 .0007 O9 .1975 -.1273 .3863 2.3 .0137 .0026 .0052 .0002 .0007 .0013