Triclinic system (groups , )

Authier, A.

doi:10.1107/97809553602060000628

International
Tables for
Crystallography
Volume D
Physical properties of crystals
Edited by A. Authier

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International Tables for Crystallography (2006). Vol. D. ch. 1.1, p. 20

Section 1.1.4.9.1. Triclinic system (groups $[{\bar 1}]$ , )

A. Authier^a ^*

^a Institut de Minéralogie et de la Physique des Milieux Condensés, Bâtiment 7, 140 rue de Lourmel, 75015 Paris, France
Correspondence e-mail: aauthier@wanadoo.fr

1.1.4.9.1. Triclinic system (groups $[{\bar 1}]$ , )

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There is no reduction; all the components are independent. Their number is equal to 81. They are usually represented as a $[9\times 9]$ matrix, where components $[t_{ijkl}]$ are replaced by ijkl, for brevity: [Scheme scheme102] This matrix can be represented symbolically by [Scheme scheme33] where the $[9\times 9]$ matrix has been subdivided for clarity in to nine $[3\times 3]$ submatrices.

References

International Tables for Crystallography (2006). Vol. D. ch. 1.1, p. 20

Section 1.1.4.9.1. Triclinic system (groups , )

1.1.4.9.1. Triclinic system (groups , )

References

Section 1.1.4.9.1. Triclinic system (groups $[{\bar 1}]$ , )

1.1.4.9.1. Triclinic system (groups $[{\bar 1}]$ , )