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. 2014 Mar 4;70(Pt 2):243–258. doi: 10.1107/S2052520613031247

Table 4. Experimental details.

For all structures: Z = 8. Experiments were carried out at 293K with MoK radiation using a Bruker CCD diffractometer. Absorption was corrected for by multi-scan methods, SADABS (Bruker, 2011).

Wagnerite from Panasqueira, Portugal (3b) Hlsjberg, Sweden (5b) Khyakhta, Russia (orange) (7b) Reynolds Range, Australia (9b) Webing, Austria (2b)
Crystal data
Chemical formula Mg0.8Fe0.5Mn0.7(PO4)F0.8(OH)0.2 Mg1.3Fe0.5Mn0.2(PO4)F0.7(OH)0.3 Mg1.7Fe0.25Mn0.05(PO4)F1.0 Mg1.94Fe0.06F0.98(OH)0.02 Mg2(PO4)F
M r 196.6 183 168.43 163.5 162.6
Crystal system Monoclinic Monoclinic Monoclinic Monoclinic Monoclinic
Space group C2/c(00)s0 C2/c(00)s0 C2/c(00)s0 C2/c(00)s0 C2/c(00)s0
Wavevectors q = 0.345990b* q = 0.410660b* q = 0.427560b* q = 0.446520b* q = 0.500000b*
a, b, c () 13.0183(2), 6.4149(1), 9.8411(1) 12.8840(2), 6.3889(1), 9.7384(1) 12.7978(2), 6.3523(1), 9.6642(1) 12.7707(2), 6.3394(1), 9.6462(1) 12.7633(4), 6.3282(2), 9.6350(3)
() 118.562 (1) 117.799 (1) 117.567 (1) 117.5240 (5) 117.5985 (11)
V (3) 721.82(2) 709.10(2) 696.46(2) 692.55(2) 689.66(4)
(mm1) 4.99 3.47 1.8 1.18 1.07
Crystal size 0.160.160.06 0.20.150.15 0.60.160.1 0.250.250.1 0.460.260.26
           
Data collection
No. of measured, independent and observed [I > 3(I)] reflections 9151, 2484, 2086 6943, 2439, 2216 17606, 7370, 3766 26453, 7409, 4855 12149, 3160, 2999
R int 0.011 0.010 0.016 0.010 0.009
(sin/)max (1) 0.650 0.649 0.715 0.715 0.715
No. of satellite reflections
First-order obs/all 1262/1653 1413/1625 1684/2106 1847/2106 1939/2102
Second-order obs/all   10% 344/2102 849/2122  
Third-order obs/all   10% 721/2108 1059/2119  
           
Refinement
No. of reflections 2484 2439 7370 7409 3160
No. of parameters 167 228 504 503 227
No. of constraints 2 2 2 2 0
R int obs/all 0.010/0.009 0.010/0.010 0.016/0.018 0.010/0.009 0.009/0.009
R obs/all 0.022/0.025 0.023/0.024 0.031/0.061 0.033/0.048 0.016/0.017
Main ref. R obs/all 0.019/0.019 0.022/0.022 0.024/0.025 0.023/0.023 0.018/0.018
First-order sat. R obs/all 0.032/0.046 0.025/0.030 0.027/0.038 0.020/0.025 0.014/0.016
Second-order sat. R obs/all   Not refined 0.128/0.391 0.197/0.305  
Third-order sat. R obs/all   Not refined 0.106/0.242 0.111/0.171  
wR 2 obs/all 0.063/0.064 0.064/0.065 0.079/0.091 0.099/0.104 0.054/0.055
GOF obs/all 0.019/0.019 0.022/0.021 0.021/0.016 0.029/0.024 0.020/0.020