1 | ******************************************************************************** |
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2 | General Structure Analysis System-II Crystal Structure Refinement |
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3 | by Robert B. Von Dreele & Brian H. Toby |
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4 | Argonne National Laboratory(C), 2010 |
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5 | This product includes software developed by the UChicago Argonne, LLC, |
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6 | as Operator of Argonne National Laboratory. |
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7 | Please cite: |
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8 | B.H. Toby & R.B. Von Dreele, J. Appl. Cryst. 46, 544-549 (2013) |
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9 | ******************************************************************************** |
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10 | Least squares controls: |
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11 | Refinement type: analytic Hessian |
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12 | Maximum number of cycles: 3 |
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13 | Regularize hydrogens (if any): False |
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14 | Initial shift factor: 1.000 |
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15 | |
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16 | Phases: |
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17 | |
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18 | Phase name: Cr2WO6 mag_40 |
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19 | ======================================================================================================================================= |
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20 | |
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21 | X-ray scattering factors: |
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22 | Symbol fa fb fc |
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23 | --------------------------------------------------------------------------------------------------- |
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24 | Cr+3 9.68090 7.81136 2.87603 0.11357 5.59463 0.33439 12.82880 32.87610 0.51828 |
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25 | |
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26 | Neutron scattering factors: |
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27 | Symbol isotope mass b resonant terms |
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28 | --------------------------------------------------------------------------------------------------- |
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29 | Cr+3 Nat. Abund. 51.996 0.363 |
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30 | |
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31 | <j0> Magnetic scattering factors: |
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32 | Symbol mfa mfb mfc |
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33 | --------------------------------------------------------------------------------------------------- |
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34 | Cr+3 -0.30940 0.36800 0.65590 0.00000 0.02700 17.03500 6.52400 0.00000 0.28560 |
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35 | |
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36 | <j2> Magnetic scattering factors: |
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37 | Symbol nfa nfb nfc |
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38 | --------------------------------------------------------------------------------------------------- |
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39 | Cr+3 1.62620 2.06180 0.52810 0.00000 15.06600 6.28400 2.36800 0.00000 0.00230 |
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40 | |
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41 | Space Group: P n n m |
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42 | The lattice is centrosymmetric primitive orthorhombic |
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43 | The Laue symmetry is mmm |
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44 | The lattice point group is mmm |
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45 | Multiplicity of a general site is 8 |
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46 | The inversion center is located at 0,0,0 |
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47 | |
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48 | The equivalent positions are: |
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49 | |
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50 | ( 1) X, Y, Z |
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51 | ( 2) 1/2-X, 1/2+Y, 1/2+Z |
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52 | ( 3) 1/2+X, 1/2-Y, 1/2+Z |
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53 | ( 4) -X, -Y, Z |
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54 | |
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55 | Atoms: |
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56 | name type refine? x y z frac site sym mult I/A Uiso U11 U22 U33 U12 U13 U23 |
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57 | --------------------------------------------------------------------------------------------------------------------------------------- |
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58 | Cr1_0 Cr+3 0.00000 0.00000 0.33249 1.000 2'(z) 4 I-0.00259 |
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59 | |
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60 | Magnetic moments: |
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61 | name type refine? Mx My Mz |
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62 | --------------------------------------------------------------------------------------------------------------------------------------- |
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63 | Cr1_0 Cr+3 0.00000 0.00000 0.00000 |
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64 | |
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65 | Unit cell: a = 4.56929 b = 4.56929 c = 8.84191 alpha = 90.000 beta = 90.000 gamma = 90.000 volume = 184.605 Refine? False |
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66 | |
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67 | Spherical harmonics texture: Order:0 |
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68 | |
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69 | Phase name: Cr2WO6 |
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70 | ======================================================================================================================================= |
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71 | |
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72 | X-ray scattering factors: |
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73 | Symbol fa fb fc |
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74 | --------------------------------------------------------------------------------------------------- |
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75 | Cr+3 9.68090 7.81136 2.87603 0.11357 5.59463 0.33439 12.82880 32.87610 0.51828 |
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76 | O-2 3.76936 2.53342 1.91579 1.55094 15.07970 6.30430 40.34450 0.31291 0.22789 |
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77 | W+6 29.49360 19.37630 13.05440 5.06412 1.42755 0.10462 5.93667 11.19720 1.01074 |
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78 | |
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79 | Neutron scattering factors: |
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80 | Symbol isotope mass b resonant terms |
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81 | --------------------------------------------------------------------------------------------------- |
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82 | Cr+3 Nat. Abund. 51.996 0.363 |
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83 | O-2 Nat. Abund. 15.999 0.581 |
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84 | W+6 Nat. Abund. 183.850 0.475 |
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85 | |
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86 | Space Group: P 42/m n m |
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87 | The lattice is centrosymmetric primitive tetragonal |
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88 | The Laue symmetry is 4/mmm |
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89 | The lattice point group is 4/mmm |
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90 | Multiplicity of a general site is 16 |
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91 | The inversion center is located at 0,0,0 |
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92 | |
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93 | The equivalent positions are: |
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94 | |
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95 | ( 1) X, Y, Z |
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96 | ( 2) 1/2-Y, 1/2+X, 1/2+Z |
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97 | ( 3) -X, -Y, Z |
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98 | ( 4) 1/2+Y, 1/2-X, 1/2+Z |
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99 | ( 5) 1/2-X, 1/2+Y, 1/2+Z |
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100 | ( 6) -Y, -X, Z |
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101 | ( 7) 1/2+X, 1/2-Y, 1/2+Z |
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102 | ( 8) Y, X, Z |
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103 | |
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104 | Atoms: |
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105 | name type refine? x y z frac site sym mult I/A Uiso U11 U22 U33 U12 U13 U23 |
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106 | --------------------------------------------------------------------------------------------------------------------------------------- |
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107 | W1 W+6 0.00000 0.00000 0.00000 1.000 mmm(z) 2 I-0.00405 |
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108 | Cr1 Cr+3 0.00000 0.00000 0.33249 1.000mm2(d001) 4 I-0.00259 |
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109 | O1 O-2 0.29857 0.29857 0.00000 1.000mm2(xy) 4 I 0.00094 |
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110 | O2 O-2 0.30750 0.30750 0.34019 1.000 m(+-0) 8 I 0.00420 |
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111 | |
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112 | Unit cell: a = 4.56929 b = 4.56929 c = 8.84191 alpha = 90.000 beta = 90.000 gamma = 90.000 volume = 184.605 Refine? False |
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113 | |
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114 | Spherical harmonics texture: Order:0 |
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115 | |
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116 | Phase: Cr2WO6 mag_40 in histogram: PWDR Cr2WO6_T4K.dat |
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117 | ======================================================================================================================================= |
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118 | Phase fraction : 1.0000 Refine? 0.0 |
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119 | Extinction coeff: 0.0000 Refine? False |
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120 | March-Dollase PO: 1.0000 Refine? False Axis: 0 0 1 |
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121 | |
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122 | Size model : isotropic equatorial: 1.000 Refine? False |
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123 | LG mixing coeff.: 1.0000 Refine? False |
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124 | |
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125 | Mustrain model: isotropic equatorial: 1000.0 Refine? False |
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126 | LG mixing coeff.: 1.0000 Refine? False |
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127 | |
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128 | Hydrostatic/elastic strain: |
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129 | names : D11 D22 D33 |
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130 | values: 0 0 0 |
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131 | refine: False False False |
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132 | |
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133 | Phase: Cr2WO6 in histogram: PWDR Cr2WO6_T4K.dat |
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134 | ======================================================================================================================================= |
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135 | Phase fraction : 1.0000 Refine? False |
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136 | Extinction coeff: 0.0000 Refine? False |
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137 | March-Dollase PO: 1.0000 Refine? False Axis: 0 0 1 |
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138 | |
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139 | Size model : isotropic equatorial: 1.000 Refine? False |
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140 | LG mixing coeff.: 1.0000 Refine? False |
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141 | |
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142 | Mustrain model: isotropic equatorial: 1000.0 Refine? False |
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143 | LG mixing coeff.: 1.0000 Refine? False |
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144 | |
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145 | Hydrostatic/elastic strain: |
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146 | names : D11 D33 |
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147 | values: 0 0 |
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148 | refine: False False |
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149 | |
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150 | Histogram: PWDR Cr2WO6_T4K.dat histogram Id: 0 |
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151 | ======================================================================================================================================= |
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152 | Instrument type: Debye-Scherrer |
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153 | Histogram limits: 8.00 deg to 128.69 deg |
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154 | |
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155 | Sample Parameters: |
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156 | Goniometer omega = 0.00, chi = 0.00, phi = 0.00 |
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157 | name : Scale Absorption DisplaceX DisplaceY |
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158 | value : 2848.9600 0.0000 0.0000 0.0000 |
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159 | refine: True False True True |
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160 | |
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161 | Instrument Parameters: |
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162 | name : Azimuth Bank Lam Polariz. SH/L U V |
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163 | value : 0.000000 1.000000 2.406700 0.990000 0.002000 701.362600-1157.202000 |
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164 | refine: False False False False False False |
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165 | |
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166 | name : W X Y Z Zero |
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167 | value : 558.760300 0.000000 0.000000 0.000000 0.000000 |
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168 | refine: False False False False False |
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169 | |
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170 | Background function: chebyschev Refine? True |
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171 | Coefficients: 43.147 -7.793 13.915 |
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172 | |
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173 | Refinement results: |
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174 | --------------------------------------------------------------------------------------------------------------------------------------- |
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175 | Number of function calls: 7 No. of observations: 1749 No. of parameters: 6 User rejected: 0 Sp. gp. extinct: 0 |
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176 | Refinement time = 1.156s, 0.385s/cycle, for 3 cycles |
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177 | wR = 28.73%, chi**2 = 30172, GOF = 4.16 |
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178 | |
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179 | Phases: |
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180 | Result for phase: Cr2WO6 mag_40 |
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181 | ======================================================================================================================================= |
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182 | |
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183 | Atoms: |
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184 | name x y z frac Uiso U11 U22 U33 U12 U13 U23 |
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185 | --------------------------------------------------------------------------------------------------------------------------------------- |
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186 | Cr1_0 Cr+3: |
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187 | values: 0.00000 0.00000 0.33249 1.000-0.00259 |
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188 | sig : 0.00000 0.000 0.00000 |
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189 | |
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190 | Magnetic Moments: |
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191 | name Mx My Mz |Mag| |
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192 | --------------------------------------------------------------------------------------------------------------------------------------- |
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193 | Cr1_0 Cr+3: |
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194 | values: 0.000 0.000 0.000 0.000 |
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195 | sig : |
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196 | Result for phase: Cr2WO6 |
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197 | ======================================================================================================================================= |
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198 | |
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199 | Atoms: |
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200 | name x y z frac Uiso U11 U22 U33 U12 U13 U23 |
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201 | --------------------------------------------------------------------------------------------------------------------------------------- |
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202 | W1 W+6: |
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203 | values: 0.00000 0.00000 0.00000 1.000-0.00405 |
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204 | sig : |
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205 | Cr1 Cr+3: |
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206 | values: 0.00000 0.00000 0.33249 1.000-0.00259 |
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207 | sig : |
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208 | O1 O-2: |
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209 | values: 0.29857 0.29857 0.00000 1.000 0.00094 |
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210 | sig : |
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211 | O2 O-2: |
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212 | values: 0.30750 0.30750 0.34019 1.000 0.00420 |
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213 | sig : |
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214 | |
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215 | Phase: Cr2WO6 mag_40 in histogram: PWDR Cr2WO6_T4K.dat |
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216 | ======================================================================================================================================= |
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217 | Final refinement RF, RF^2 = 96.71%, 100.00% on 67 reflections |
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218 | Durbin-Watson statistic = 0.251 |
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219 | Bragg intensity sum = 1.91e-13 |
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220 | |
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221 | Phase: Cr2WO6 in histogram: PWDR Cr2WO6_T4K.dat |
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222 | ======================================================================================================================================= |
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223 | Final refinement RF, RF^2 = 18.75%, 16.58% on 31 reflections |
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224 | Durbin-Watson statistic = 0.251 |
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225 | Bragg intensity sum = 5.78e+04 |
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226 | Phase fraction : 1.00000, sig 0.00000 Weight fraction : 1.00000, sig 0.00000 |
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227 | |
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228 | Histogram: PWDR Cr2WO6_T4K.dat histogram Id: 0 |
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229 | ======================================================================================================================================= |
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230 | PWDR histogram weight factor = 1.000 |
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231 | Final refinement wR = 28.73% on 1749 observations in this histogram |
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232 | Other residuals: R = 20.16%, R-bkg = 26.42%, wR-bkg = 28.73% wRmin = 6.92% |
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233 | Instrument type: Debye-Scherrer |
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234 | |
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235 | Sample Parameters: |
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236 | names : Scale Absorption DisplaceX DisplaceY |
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237 | values: 3713.2805 0.0000 -5427.7020 -2010.3989 |
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238 | sig : 45.6979 231.9462 87.3822 |
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239 | |
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240 | Background function: chebyschev |
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241 | value : 42.96 -10.01 11.23 |
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242 | sig : 0.6745 0.851 1.674 |
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243 | Background sums: empirical 8.21e+04, Debye 0, peaks 0, Total 8.21e+04 |
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