#124
P4/mcc
Example – TaTe4
The determination of the commensurately modulated structure of tantalum tetratelluride
Bronsema, K.D.; van Smaalen, S.; de Boer, J.L.; Wiegers, G.A.; Jellinek, F.; Mahy, J.
Acta Cryst B (1987) 43, p305-p313
TaTe8 polyhedra (blue)
The Fascination of Crystals and Symmetry 