Cuspidine
	Piotrowski A, Kahlenberg V, Fischer R X
	American Mineralogist 85 (1999) 1534-1539
	Na2Ca2(P2O7)F2, the first diphosphate of the cuspidine family
	Sample: split position O1
	_database_code_amcsd 0002594
	10.8730 10.5516 7.4287 90 109.74 90 P2_1/n
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	Ca1 .5754 .8767 .6647 .83 .0127 .0105 .0098 .0034 .0043 .0009
	Na1 .5754 .8767 .6647 .17 .0127 .0105 .0098 .0034 .0043 .0009
	Ca2 .8070 .1026 .5277 .45 .0134 .0101 .0140 -.0025 .0058 -.0008
	Na2 .8070 .1026 .5277 .55 .0134 .0101 .0140 -.0025 .0058 -.0008
	Ca3 .8174 .0835 .0339 .54 .0138 .0135 .0146 -.0039 .0046 -.0017
	Na3 .8174 .0835 .0339 .46 .0138 .0135 .0146 -.0039 .0046 -.0017
	Ca4 .5819 .8869 .1625 .19 .0163 .0173 .0142 .0038 .0057 .0011
	Na4 .5819 .8869 .1625 .81 .0163 .0173 .0142 .0038 .0057 .0011
	P1 .1241 .1832 .6435 .0083 .0075 .0073 .0003 .0037 -.0016
	P2 .6226 .3172 .7296 .0072 .0066 .0078 -.0002 .0023 -.0007
	F1 .6126 .0022 .9231 .0116 .0137 .0161 -.0031 .0039 -.0027
	F2 .6097 .0051 .4371 .0108 .0130 .0151 .0017 .0052 .0008
	O1A .1670 .2114 .4546 .5 .0284
	O1B .0752 .1977 .4130 .5 .0287
	O2 .8490 .9541 .7885 .0779 .0117 .0353 .0147 .0235 .0028
	O3 .9975 .2320 .6535 .0125 .0206 .0850 -.0017 .0178 -.0253
	O4 .1506 .0458 .6888 .0409 .0108 .0385 .0065 .0188 .0074
	O5 .9977 .2300 .0903 .0194 .0280 .0606 -.0061 -.0100 .0296
	O6 .7392 .2353 .7466 .0110 .0252 .0833 .0015 .0086 -.0310
	O7 .2399 .2659 .7412 .0137 .0246 .0648 .0022 -.0020 -.0217
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