The systematic enumeration of (4;2)-connected 3D nets related to the tridymite group

Autor:	K. J. Andries, H. J. Bosmans
Rok vydání:	1990
Předmět:	Combinatorics Hexagonal symmetry Tridymite Structural Biology Stereochemistry Chemistry Hexagonal crystal system Group (mathematics) Enumeration Orthorhombic crystal system Crystal structure Symmetry (geometry)
Zdroj:	Acta Crystallographica Section A Foundations of Crystallography. 46:847-855
ISSN:	0108-7673
DOI:	10.1107/s0108767390005608
Popis:	Forty-two hypothetical 3D nets are derived by applying four types of transformations (or combinations thereof) to the previously described tridymite group of structures. Two novel transformations are proposed, one preserving the (hexagonal or orthorhombic) symmetry and another converting the hexagonal symmetry into orthorhombic. Correspondingly, groups of hypothetical 3D framework structures are derived. The properties of frameworks belonging to these groups are compared and discussed.
Databáze:	OpenAIRE
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