Table 9.7.1.1

Wilson, A. J. C.; Karen, V. L.; Mighell, A.

doi:10.1107/97809553602060000623

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

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International Tables for Crystallography (2006). Vol. C. ch. 9.7, p. 898

Table 9.7.1.1

A. J. C. Wilson,^a ^‡ V. L. Karen^b and A. Mighell^b

^a St John's College, Cambridge CB2 1TP, England, and ^bNIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA

Table 9.7.1.1 | top | pdf |
Kitajgorodskij's categorization of the triclinic, monoclinic and orthorhombic space groups, as modified by Wilson (1993a)

Wilson's additions are enclosed in square brackets [⋯] and the original positions of space groups transferred by him by round brackets (⋯). Space groups not listed belong to the `impossible' category.

Molecular symmetry	1	$[\overline {1}]$	2	m	2/m	222	mm	mmm
Closest packed	P $[\overline {1} ]$	P $[\overline {1} ]$
	P2₁
	P2₁/c	P2₁/c
	[C2/c]	C2/c	[C2/c]
	P2₁2₁2₁
	Pca2₁
	Pna2₁
	[Pbca]	Pbca
Limitingly close packed			(C2/c)		C2/m
	[P2₁2₁2]		P2₁2₁2			C222
						F222
						I222
				Pmc2₁			Fmm2
				Cmc2₁
	[Pbcn]		Pbcn	Pnma			Pmma, Pmmn
					Cmca	Ccca		Cmmm
						^†		Fmmm
								Immm
Permissible	P1
	C2		C2
	[Pc]
	Cc			Cm	Pbam
	[P2/c]		[P2/c]	P2₁/m
	(P2₁2₁2)
	[C222₁]		[C222₁]
				Pmn2₁
			Aba2	Ama2
			[Fdd2]	Ima2
	(Pbca)			Pbcm ^‡
	[Pccn]	Pccn

^†Kitajgorodskij (1961

) includes Pnnm at this position, but this is inconsistent with the text of either the Russian or the English version.
^‡Kitajgorodskij (1961

) correctly includes Pbcm at this position.