K2Ni(H2P2O7)2*2H2O
Tahiri A A, Messouri I, Lachkar M, Zavalij P Y, Glaum R, El Bali B, Rachid O
Acta Crystallographica E60 (2004) i3-i5
Dipotassium nickel(II) bis(dihydrogendiphosphate) dihydrate, K2Ni(H2P2O7)2*2H2O
6.8554 7.3124 7.5610 81.012 72.301 83.691 P-1
atom      x      y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K    .89190 .26756 .70308 .0343  .0414  .0312  .0335  .0084 -.0185 -.0060
Ni    .5000  .5000  .5000 .0171  .0183  .0166  .0171 -.0004 -.0059 -.0035
P1   .32676 .27260 .24671 .0177  .0170  .0194  .0183 -.0010 -.0073 -.0034
P2   .75328 .19077 .24060 .0172  .0169  .0186  .0161  .0000 -.0050 -.0031
O1    .5669  .2310  .1500 .0234  .0181  .0336  .0210  .0028 -.0087 -.0080
O2    .2983  .3920  .3973 .0207  .0172  .0226  .0224 -.0014 -.0047 -.0052
O3    .2424  .3528  .0886 .0230  .0242  .0270  .0191 -.0052 -.0092  .0017
O4    .2371  .0813  .3333 .0256  .0355  .0192  .0243 -.0070 -.0119  .0007
H4     .248   .054   .435  .037
O5    .7435  .3319  .3681 .0229  .0210  .0277  .0227  .0038 -.0083 -.0115
O6    .9340  .2145  .0597 .0239  .0214  .0313  .0189 -.0062 -.0030 -.0056
H6    1.021   .270   .068  .048
O7    .7472 -.0067  .3329 .0263  .0359  .0202  .0238 -.0073 -.0118  .0040
O1W   .5489  .7052  .2727 .0237  .0312  .0197  .0184 -.0038 -.0036 -.0032
H1W    .608   .674   .174  .036
H2W    .596   .792   .286  .036