MPG #14.2.49: \(\bar{4}2m1'\)# Related group PG : \(D_{\rm 2d}\) (\(\bar{4}2m\)) SG : \(D_{\rm 2d}^{1}\) (\(P\bar{4}2m\)) MSG (SG) : \(D_{\rm 2d}^{1}\) (\(P\bar{4}2m\)) Symmetry operation : PDF Wyckoff site : PDF Response tensor Q : PDF G : PDF