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. 2022 Dec 22;35(1):189–206. doi: 10.1021/acs.chemmater.2c03001

Table 1. Crystal and Refinement Parameters for BIGEVOX10 and BISNVOX05 at 25 °C.

Sample Name BIGEVOX10 BISNVOX05
Temperature (°C) 25 °C 25 °C
Chemical formula Bi2V0.9Ge0.1O5.45 BiVO4 Bi2V0.95Sn0.05O5.475
Crystal system C2 I2/c C2
Lattice parameters (Å) a = 5.6031(2) a =  5.225(2) a = 5.6057(2)
b = 15.3214(5) b = 11.696(4) b = 15.3490(4)
c = 16.5805(5) c = 5.162(2) c = 16.6134(5)
β = 90.053(4)° β = 90.28(2) β = 90.038(4)°
Volume (Å3) 1423.39(13) 315.5(1) 1429.44(11)
Z 12 4 12
Phase fraction 97.02(7)% 2.98(1)% 100%
Density (calc) (g cm–3) 7.815 6.818 7.805
R-factors Neutron back scattering Rwp = 0.0170 Rwp = 0.0134
Rp = 0.0354 Rp = 0.0258
Rex = 0.0034 Rex = 0.0035
RF2 = 0.0719 RF2 = 0.0533
  Neutron 90° Rwp = 0.0161 Rwp = 0.141
Rp = 0.0262 Rp = 0.0220
Rex = 0.0022 Rex = 0.0035
RF2 = 0.0516 RF2 = 0.0797
  X-ray Rwp = 0.1403 Rwp = 0.1295
Rp = 0.1066 Rp = 0.0964
Rex = 0.0602 Rex = 0.0559
RF2 = 0.1725 RF2 = 0.1171
  Totals Rwp = 0.0172 Rwp = 0.0147
Rp = 0.0891 Rp = 0.0823
No. of variables 198 186
χ2 24.75 16.92
No. of profile points Neut. (bs) 3790 3540
(90 °C) 2089 2054
X-ray 3440 3440