International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

© International Union of Crystallography 2006
International Tables for Crystallography (2006). Vol. B. ch. 4.4, p. 450   | 1 | 2 |

Table 4.4.1.2 

P. S. Pershana*

aDivision of Engineering and Applied Science and The Physics Department, Harvard University, Cambridge, MA 02138, USA
Correspondence e-mail: pershan@deas.harvard.edu

Table 4.4.1.2 | top | pdf |
The symmetry properties of the two-dimensional hexatic and crystalline phases

Phase Molecular orientation order within layer Bond orientation order Positional order within layer
Smectic-A (SmA) SRO SRO SRO
Smectic-C (SmC) QLRO QLRO SRO
Hexatic-B QLRO QLRO SRO
Smectic-F (SmF) QLRO QLRO SRO
Smectic-I (SmI) QLRO QLRO SRO
Crystalline-B (CrB) LRO LRO QLRO
Crystalline-G (CrG) LRO LRO QLRO
Crystalline-J (CrJ) LRO LRO QLRO
Crystalline-E (CrE) LRO LRO QLRO
Crystalline-H (CrH) LRO LRO QLRO
Crystalline-K (CrK) LRO LRO QLRO