Tables for
Volume E
Subperiodic groups
Edited by V. Kopský and D. B. Litvin

International Tables for Crystallography (2006). Vol. E, ch. 5.2, p. 414   | 1 | 2 |


V. Kopskýa* and D. B. Litvinb

aDepartment of Physics, University of the South Pacific, Suva, Fiji, and Institute of Physics, The Academy of Sciences of the Czech Republic, Na Slovance 2, PO Box 24, 180 40 Prague 8, Czech Republic, and bDepartment of Physics, Penn State Berks Campus, The Pennsylvania State University, PO Box 7009, Reading, PA 19610–6009, USA
Correspondence e-mail:

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Symmetries of domain states and domain pairs in a calomel crystal

All groups in this table are expressed by their Hermann–Mauguin symbols with reference to orthorhombic basis [{\bf a} = {\bf a}_{t}-{\bf b}_{t}], [{\bf b} = {\bf a}_{t}+{\bf b}_{t}], [{\bf c} = {\bf c}_{t}].

ObjectSymmetry groupType
Parent phase [{\cal G} = I4/mmm] [D^{17}_{4h}]
[{\sf S}_{\sf 1}] [{\cal F}_{1} = Am_{x{\bar y}}a_{xy}m_{z}] ([{\bf a}_{t}/2] or [{\bf b}_{t}/2]) [D^{17}_{2h}]
[{\sf S}_{\sf 2}] [{\cal F}_{2} = Bb_{x\bar y}m_{xy}m_{z}] ([{\bf a}_{t}/2] or [{\bf b}_{t}/2]) [D^{17}_{2h}]
[({\sf S}_{\sf 1},{\sf S}_{\sf 2})] [{\cal F}_{12} = Pn_{x{\bar y}}n_{xy}m_{z}] ([{\bf a}_{t}/2] or [{\bf b}_{t}/2]) [D^{12}_{2h}]
[\{{\sf S}_{\sf 1},{\sf S}_{\sf 2}\}] [{\cal J}_{12} = P4^{*}_{2z}/m_{z}n_{xy}m^{*}_{x}] ([{\bf b}_{t}/2]) [D^{14}_{4h}\,\,[D_{2h}^{12}]]