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

International Tables for Crystallography (2013). Vol. D, ch. 3.1, p. 378

Table 3.1.3.2 

V. Janovecb* and V. Kopskýe

Table 3.1.3.2| top | pdf |
Symmetry descents [G\Downarrow F_1] associated with two irreducible representations

G[\Gamma_{\eta}][F_1]Proper or improperDomain statesFull or partial
FerroelectricFerroelastic[ n_f ][ n_e ][ n_a ]FerroelectricFerroelastic
432 [ T_1 ] [2_{xy}] proper improper 12 12 12 full full
[ T_2 ] improper proper
[ T_1 ] 1 improper improper 24 24 24 full full
[ T_2 ] proper proper
[\bar{4}3m] [ T_1 ] [m_{xy}] improper improper 12 12 12 full full
[ T_2 ] proper proper
[ T_1 ] 1 improper improper 24 24 24 full full
[ T_2 ] proper proper
[m\bar3m] [ T_{1g}] [2_{xy}/m_{xy}] non improper 12 0 12 non full
[ T_{2g} ] non proper
[ T_{1g} ] [\bar1] non improper 24 0 24 non full
[ T_{2g} ] non proper
[ T_{1u} ] [m_{x\bar y}2_{xy}m_z] proper improper 12 12 6 full partial
[ T_{2u} ] improper improper
[ T_{1u} ] [m_{z}] proper improper 24 24 12 full partial
[ T_{2u} ] improper improper
[ T_{1u} ] 1 proper improper 48 48 24 full partial
[ T_{2u} ] improper improper