International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

© International Union of Crystallography 2006
International Tables for Crystallography (2006). Vol. C. ch. 4.2, p. 250

Table 4.2.6.3 

D. C. Creaghb

Table 4.2.6.3 | top | pdf |
A comparison of the forward-scattering amplitudes computed using different theoretical approaches

(a) Real part. KPR (Kissel et al., 1980[link]); C & L (Cromer & Liberman, 1970[link], 1981[link]); W (Wagenfeld, 1975[link]); and C & M (this data set).

Atom Radiation [f'(\omega,0)]
KPR C & L W C & M
1970 1981
13Al Cr [K\alpha_1] 13.320 13.328 13.316 13.376 13.326
Cu [K\alpha_1] 13.209 13.204 13.203 13.235 13.213
Ag [K\alpha_1] 13.039 13.032 13.020 13.078 13.041
14Si Cr [K\alpha_1]   14.333 14.354 14.441 14.365
Cu [K\alpha_1]   14.244 14.242 14.282 14.254
Ag [K\alpha_1]   14.042 14.029 14.071 14.052
30Zn Cr [K\alpha_1] 29.161 29.316 29.314   29.383
Cu [K\alpha_1] 28.369 28.388 28.383   28.451
Ag [K\alpha_1] 30.323 30.260 30.232   30.324
32Ge Cr [K\alpha_1]   31.538 31.538 30.20 31.614
Cu [K\alpha_1]   30.837 30.837 31.92 30.911
Ag [K\alpha_1]   32.228 32.228 32.14 32.302
47Ag Cu [K\alpha_1] 47.075 46.940 46.936   47.131
62Sm Ag [K\alpha_1] 58.307 56.304 56.299   56.676
73Ta Ag [K\alpha_1] 72.625 72.063 71.994   72.617
82Pb Ag [K\alpha_1] 80.966 80.090 80.012   80.832

(b) Imaginary part [f''(\omega,0)]. KPR (Kissel et al., 1980[link]); C & L (Cromer & Liberman, 1981[link]); W (Wagenfeld, 1975[link]); and C & M (this data set).

Atom Radiation [f'(\omega,0)]
KPR C & L W C & M
13Al Cr [K\alpha_1] 0.514 0.522   0.512
Cu [K\alpha_1] 0.243 0.246   0.246
Ag [K\alpha_1] 0.031 0.031   0.031
14Si Cr [K\alpha_1]   0.694 0.70 0.692
Cu [K\alpha_1]   0.330 0.33 0.330
Ag [K\alpha_1]   0.043 0.047 0.043
30Zn Cr [K\alpha_1] 1.370 1.373   1.371
Cu [K\alpha_1] 0.678 0.678   0.678
Ag [K\alpha_1] 0.932 0.938   0.938
32Ge Cr [K\alpha_1]   1.786 1.84 1.784
Cu [K\alpha_1]   0.886 0.87 0.886
Ag [K\alpha_1]   1.190 1.23 1.190
47Ag Cu [K\alpha_1] 4.242 4.282   4.282
62Sm Cu [K\alpha_1] 12.16 12.218   12.218
73Ta Ag [K\alpha_1] 4.403 4.399   4.399
82Pb Ag [K\alpha_1] 6.937 6.929   6.929