International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

International Tables for Crystallography (2006). Vol. B. ch. 2.1, p. 192

Table 2.1.3.2 

U. Shmuelia* and A. J. C. Wilsonb

aSchool of Chemistry, Tel Aviv University, Tel Aviv 69 978, Israel, and bSt John's College, Cambridge, England
Correspondence e-mail:  ushmueli@post.tau.ac.il

Table 2.1.3.2| top | pdf |
Intensity-distribution effects of symmetry elements not causing systematic absences

Abbreviations and orientation of axes: A = acentric distribution, C = centric distribution, S = distribution parameter, <I> = average intensity. Axes are parallel to c, planes are perpendicular to c.

ElementReflectionsDistribution[S/\Sigma = \langle I\rangle / \Sigma]
1 All A 1
[\bar{1}] All C 1
2 hkl A 1
hk0 C 1
00l A 2
[\bar{2} = m] hkl A 1
hk0 A 2
00l C 1
3 hkl A 1
hk0 A 1
00l A 3
[\bar{3}] hkl C 1
hk0 C 1
00l C 3
4 hkl A 1
hk0 C 1
00l A 4
[\bar{4}] hkl A 1
hk0 C 1
00l C 2
6 hkl A 1
hk0 C 1
00l A 6
[\bar{6} = 3/m] hkl A 1
hk0 A 2
00l C 3