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. 2011 May 14;67(Pt 3):205–217. doi: 10.1107/S0108768111013814

Table 2. Number of parameters for the different models.

Cijk and Dijkl represent the third- and fourth-order anharmonic ADPs. The models are defined in the text.

  Model A Model B Model Cr Model C Model Dr
x 0, y 0, z 0 13 13 13 13 13
U ij 26 26 26 26 26
Cijk     0 0 0
Dijkl         33
Modulation of x, y, z 100 100 100 100 100
Modulation of U ij   84 84 84 84
Modulation of Cijk     132 244 132
Scale 1 1 1 1 1
Total 140 224 356 468 389