Rigid, flexible and impossible zeolite and related structures | Zendy

M. O’Keeffe | Zendy

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Rigid, flexible and impossible zeolite and related structures

Author(s) -

M. O’Keeffe

Publication year - 2013

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2012.0034

Subject(s) - tetrahedron , embedding , flexibility (engineering) , topology (electrical circuits) , symmetry (geometry) , computer science , mathematics , pure mathematics , geometry , combinatorics , artificial intelligence , statistics

The flexibility or otherwise of periodic tetrahedral TX2 frameworks formed by corner-sharing regular TX4 tetrahedra is discussed. In particular, when T-X-T angle constraints are included, a suitable embedding can often only be found, if at all, in an symmetry less than the maximum possible for that topology. Examples illustrating this are adduced.

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