Ca H11 Na2 O17.5 P4
Averbuch-Pouchot M, Durif A
Acta Crystallographica C44 (1988) 212-216
Crystal structures of two new types of cyclo-tetraphosphates:
tetracalcium tetrapotassium tris(cyclo-tetraphosphate) octahydrate and
calcium disodium cyclo-tetraphosphate 5.5-hydrate
_cod_database_code 1007179
_database_code_amcsd 0010062
27.88 7.536 7.378 90 90 90 Pma2
atom      x      y     z
Ca1       0      0     0
Ca2     .25  .3718 .6183
P1   .04968  .2925 .3414
P2   .05558  .6884 .3313
P3   .19791  .7170 .9129
P4   .19704  .4374 .1889
Na1   .3765  .0261 .1048
Na2   .1320  .4781 .6142
O1    .4178  .2602 .4954
O2    .4489  .1711 .1822
O3    .4449  .4871 .2597
O4    .0036  .7030 .4242
O5    .0907  .7105 .4772
O6    .4422  .8007 .1671
O7    .1986  .5699 .7773
O8    .3354  .8656 .8931
O9    .3369  .3150 .0967
O10   .1954  .4532 .3878
O11     .25  .3916 .1212
O12     .25  .8017 .9331
O13   .3103  .6357 .1112
O14   .4162  .4865 .8768
O15   .1853  .2105 .7521
O16   .0731  .0095 .8022
O17   .4995  .2816 .8279
O18   .1548 -.0123 .3991
O19     .25  .0926 .4593