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: La0.8Ca0.2MnO3 at 50 mag |
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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 | Mn+3 9.84521 7.87194 3.56531 0.32361 4.91797 0.29439 10.81710 24.12810 0.39397 |
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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 | Mn+3 Nat. Abund. 54.938 -0.375 |
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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 | Mn+3 0.41980 0.60540 0.92410 0.00000 14.28300 5.46900 -0.00900 0.00000 -0.94980 |
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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 | Mn+3 1.24270 1.95670 0.57320 0.00000 14.99700 6.11800 2.25800 0.00000 0.00310 |
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40 | |
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41 | Space Group: P b 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, Z |
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52 | ( 3) 1/2+X, 1/2-Y, 1/2+Z |
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53 | ( 4) -X, -Y, 1/2+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 | Mn Mn+3 M 0.50000 0.00000 0.00000 1.000 -1 4 I 0.00348 |
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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 | Mn Mn+3 M 1.00000 1.00000 1.00000 |
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64 | |
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65 | Unit cell: a = 5.48278 b = 5.46677 c = 7.72499 alpha = 90.000 beta = 90.000 gamma = 90.000 volume = 231.542 Refine? True |
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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: La0.8Ca0.2MnO3 at 50 |
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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 | Ca 8.62660 7.38730 1.58990 1.02110 10.44210 0.65990 85.74840 178.43700 1.37510 |
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76 | Mn+3 9.84521 7.87194 3.56531 0.32361 4.91797 0.29439 10.81710 24.12810 0.39397 |
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77 | O 3.04850 2.28680 1.54630 0.86700 13.27710 5.70110 0.32390 32.90890 0.25080 |
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78 | La 20.57800 19.59900 11.37270 3.28719 2.94817 0.24447 18.77260 133.12400 2.14678 |
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79 | |
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80 | Neutron scattering factors: |
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81 | Symbol isotope mass b resonant terms |
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82 | --------------------------------------------------------------------------------------------------- |
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83 | Ca Nat. Abund. 40.080 0.470 |
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84 | Mn+3 Nat. Abund. 54.938 -0.375 |
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85 | O Nat. Abund. 15.999 0.581 |
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86 | La Nat. Abund. 138.906 0.824 |
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87 | |
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88 | Space Group: P b n m |
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89 | The lattice is centrosymmetric primitive orthorhombic |
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90 | The Laue symmetry is mmm |
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91 | The lattice point group is mmm |
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92 | Multiplicity of a general site is 8 |
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93 | The inversion center is located at 0,0,0 |
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94 | |
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95 | The equivalent positions are: |
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96 | |
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97 | ( 1) X, Y, Z |
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98 | ( 2) 1/2-X, 1/2+Y, Z |
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99 | ( 3) 1/2+X, 1/2-Y, 1/2+Z |
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100 | ( 4) -X, -Y, 1/2+Z |
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101 | |
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102 | Atoms: |
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103 | name type refine? x y z frac site sym mult I/A Uiso U11 U22 U33 U12 U13 U23 |
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104 | --------------------------------------------------------------------------------------------------------------------------------------- |
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105 | La La -0.00530 0.02294 0.25000 0.785 m(z) 4 I 0.00415 |
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106 | Mn Mn+3 0.50000 0.00000 0.00000 1.000 -1 4 I 0.00348 |
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107 | O1 O 0.06520 0.49190 0.25000 1.000 m(z) 4 I 0.00590 |
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108 | O2 O 0.72364 0.27509 0.03332 1.000 1 8 I 0.00579 |
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109 | Ca Ca -0.00530 0.02294 0.25000 0.215 m(z) 4 I 0.00415 |
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110 | |
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111 | Unit cell: a = 5.48278 b = 5.46677 c = 7.72499 alpha = 90.000 beta = 90.000 gamma = 90.000 volume = 231.542 Refine? True |
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112 | |
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113 | Spherical harmonics texture: Order:0 |
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114 | |
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115 | Phase: La0.8Ca0.2MnO3 at 50 mag in histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 |
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116 | ======================================================================================================================================= |
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117 | Phase fraction : 1.0000 Refine? 0.0 |
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118 | Extinction coeff: 0.0000 Refine? False |
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119 | March-Dollase PO: 1.0000 Refine? False Axis: 0 0 1 |
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120 | |
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121 | Size model : isotropic equatorial: 1.000 Refine? False |
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122 | LG mixing coeff.: 1.0000 Refine? False |
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123 | |
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124 | Mustrain model: isotropic equatorial: 1000.0 Refine? False |
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125 | LG mixing coeff.: 1.0000 Refine? False |
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126 | |
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127 | Hydrostatic/elastic strain: |
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128 | names : D11 D22 D33 |
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129 | values: 0 0 0 |
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130 | refine: False False False |
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131 | |
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132 | Phase: La0.8Ca0.2MnO3 at 50 in histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 |
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133 | ======================================================================================================================================= |
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134 | Phase fraction : 1.0000 Refine? False |
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135 | Extinction coeff: 0.0000 Refine? False |
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136 | March-Dollase PO: 1.0000 Refine? False Axis: 0 0 1 |
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137 | |
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138 | Size model : isotropic equatorial: 1.000 Refine? False |
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139 | LG mixing coeff.: 1.0000 Refine? False |
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140 | |
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141 | Mustrain model: isotropic equatorial: 1000.0 Refine? False |
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142 | LG mixing coeff.: 1.0000 Refine? False |
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143 | |
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144 | Hydrostatic/elastic strain: |
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145 | names : D11 D22 D33 |
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146 | values: 0 0 0 |
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147 | refine: False False False |
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148 | |
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149 | Histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 histogram Id: 0 |
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150 | ======================================================================================================================================= |
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151 | Instrument type: Debye-Scherrer |
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152 | Histogram limits: 9.35 deg to 157.50 deg |
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153 | |
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154 | Sample Parameters: |
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155 | Goniometer omega = 0.00, chi = 0.00, phi = 0.00 |
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156 | name : Scale Absorption DisplaceX DisplaceY |
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157 | value : 5419.1442 0.0000 697.1858 -20.4013 |
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158 | refine: True False True True |
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159 | |
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160 | Instrument Parameters: |
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161 | name : Azimuth Bank Lam Polariz. SH/L U V |
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162 | value : 0.000000 1.000000 1.540300 0.000000 0.002000 239.700000 -298.200000 |
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163 | refine: False False False False False False |
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164 | |
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165 | name : W X Y Z Zero |
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166 | value : 180.800000 0.000000 0.000000 0.000000 0.000400 |
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167 | refine: False False False False False |
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168 | |
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169 | Background function: chebyschev Refine? True |
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170 | Coefficients: 132.975 3.482 33.212 |
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171 | |
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172 | Refinement results: |
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173 | --------------------------------------------------------------------------------------------------------------------------------------- |
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174 | Number of function calls: 7 No. of observations: 2963 No. of parameters: 12 User rejected: 0 Sp. gp. extinct: 0 |
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175 | Refinement time = 9.938s, 3.313s/cycle, for 3 cycles |
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176 | wR = 11.85%, chi**2 = 13875.9, GOF = 2.17 |
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177 | ---------------------------------------------------------------------------------------------------------------------------------- |
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178 | Variables generated by constraints |
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179 | |
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180 | name : 1::A0 1::A1 1::A2 |
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181 | value : 0.0333 0.0335 0.0168 |
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182 | sig : 0.0000 0.0000 0.0000 |
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183 | |
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184 | Phases: |
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185 | Result for phase: La0.8Ca0.2MnO3 at 50 mag |
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186 | ======================================================================================================================================= |
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187 | Reciprocal metric tensor: |
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188 | names : A11 A22 A33 A12 A13 A23 |
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189 | values: 0.033265254 0.033460650 0.016757783 0.000000000 0.000000000 0.000000000 |
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190 | esds : 0.000002281 0.000002395 0.000001151 |
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191 | New unit cell: |
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192 | names : a b c alpha beta gamma Volume |
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193 | values: 5.482827 5.466795 7.724880 90.0000 90.0000 90.0000 231.542 |
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194 | esds : 0.000188 0.000196 0.000265 0.019 |
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195 | |
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196 | Atoms: |
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197 | name x y z frac Uiso U11 U22 U33 U12 U13 U23 |
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198 | --------------------------------------------------------------------------------------------------------------------------------------- |
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199 | Mn Mn+3: |
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200 | values: 0.50000 0.00000 0.00000 1.000 0.00348 |
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201 | sig : |
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202 | |
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203 | Magnetic Moments: |
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204 | name Mx My Mz |Mag| |
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205 | --------------------------------------------------------------------------------------------------------------------------------------- |
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206 | Mn Mn+3: |
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207 | values: 0.195 0.489 -0.033 0.528 |
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208 | sig : 0.191 0.060 1.410 |
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209 | Result for phase: La0.8Ca0.2MnO3 at 50 |
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210 | ======================================================================================================================================= |
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211 | Reciprocal metric tensor: |
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212 | names : A11 A22 A33 A12 A13 A23 |
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213 | values: 0.033265254 0.033460650 0.016757783 0.000000000 0.000000000 0.000000000 |
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214 | esds : 0.000002281 0.000002395 0.000001151 |
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215 | New unit cell: |
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216 | names : a b c alpha beta gamma Volume |
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217 | values: 5.482827 5.466795 7.724880 90.0000 90.0000 90.0000 231.542 |
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218 | esds : |
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219 | |
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220 | Atoms: |
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221 | name x y z frac Uiso U11 U22 U33 U12 U13 U23 |
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222 | --------------------------------------------------------------------------------------------------------------------------------------- |
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223 | La La: |
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224 | values: -0.00530 0.02294 0.25000 0.785 0.00415 |
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225 | sig : |
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226 | Mn Mn+3: |
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227 | values: 0.50000 0.00000 0.00000 1.000 0.00348 |
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228 | sig : 0.000 0.00000 |
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229 | O1 O: |
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230 | values: 0.06520 0.49190 0.25000 1.000 0.00590 |
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231 | sig : |
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232 | O2 O: |
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233 | values: 0.72364 0.27509 0.03332 1.000 0.00579 |
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234 | sig : |
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235 | Ca Ca: |
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236 | values: -0.00530 0.02294 0.25000 0.215 0.00415 |
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237 | sig : |
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238 | |
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239 | Phase: La0.8Ca0.2MnO3 at 50 mag in histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 |
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240 | ======================================================================================================================================= |
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241 | Final refinement RF, RF^2 = 12.96%, 51.88% on 168 reflections |
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242 | Durbin-Watson statistic = 0.316 |
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243 | Bragg intensity sum = 1.08e+03 |
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244 | Phase fraction : 1.00000, sig 0.00000 Weight fraction : 0.02954, sig 0.00000 |
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245 | |
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246 | Phase: La0.8Ca0.2MnO3 at 50 in histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 |
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247 | ======================================================================================================================================= |
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248 | Final refinement RF, RF^2 = 4.44%, 6.63% on 262 reflections |
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249 | Durbin-Watson statistic = 0.316 |
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250 | Bragg intensity sum = 4.98e+05 |
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251 | |
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252 | Histogram: PWDR La7Ca3MnO3_50k.gsas Bank 1 histogram Id: 0 |
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253 | ======================================================================================================================================= |
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254 | PWDR histogram weight factor = 1.000 |
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255 | Final refinement wR = 11.85% on 2963 observations in this histogram |
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256 | Other residuals: R = 8.31%, R-bkg = 8.87%, wR-bkg = 11.85% wRmin = 5.47% |
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257 | Instrument type: Debye-Scherrer |
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258 | |
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259 | Sample Parameters: |
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260 | names : Scale Absorption DisplaceX DisplaceY |
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261 | values: 5527.0763 0.0000 688.9415 -16.9832 |
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262 | sig : 21.2504 52.1328 79.7846 |
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263 | |
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264 | Background function: chebyschev |
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265 | value : 131.3 -4.841 44.39 |
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266 | sig : 0.8458 1.105 1.999 |
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267 | Background sums: empirical 4.33e+05, Debye 0, peaks 0, Total 4.33e+05 |
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