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Template or ligand? Different structural behaviours of aromatic amines in combination with zincophosphite networks

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Holmes_2018_ACSECC_Template_CC.pdf (1.356Mb)
Date
10/2018
Author
Holmes, William
Cordes, David B.
Slawin, Alexandra M. Z.
Harrison, William T. A.
Keywords
Crystal structure
Disorder
Ligand
Template
Zinc phosphite
QD Chemistry
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
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Abstract
The solution-mediated syntheses and crystal structures of catena-poly[bis(2- amino-3-hydroxypyridinium) [zinc-di-μ-phosphonato] dihydrate], {(C5H7N2O)- [Zn(HPO3)2]·2H2O}n, (I), and poly[(benzene-1,2-diamine)(μ 5-phosphonato)- zinc], [Zn(HPO3)(C6H8N2)]n, (II) are described. The extended structure of (I) features [010] anionic chains of vertex-sharing ZnO4 tetrahedra and HPO3 pseudopyramids; these chains are characterized by disorder over major [occupancy 0.7962 (13)] and minor [0.2038 (13)] components, which can be superimposed on each other by a nominal translational shift. The 2-amino-3- hydroxypyridinium cations and water molecules of crystallization interact with the ZnPO chains by way of numerous O-H⋯O and N-H⋯O hydrogen bonds. The structure of (II) features a direct Zn-N bond to the neutral 1,2-diaminobenzene species as part of ZnO3N tetrahedra as well as HPO3 pseudopyramids. The Zn- and P-centred groupings are linked through their Oatom vertices into infinite (010) sheets and the structure is consolidated by N- H⋯O hydrogen bonds and N-H⋯ interactions. The crystal of (I) chosen for data collection was found to be an inversion twin in a 0.56 (2):0.44 (2) domain ratio.
Citation
Holmes , W , Cordes , D B , Slawin , A M Z & Harrison , W T A 2018 , ' Template or ligand? Different structural behaviours of aromatic amines in combination with zincophosphite networks ' , Acta Crystallographica Section E: Crystallographic Communications , vol. 74 , no. 10 , pp. 1411-1416 . https://doi.org/10.1107/S2056989018012343
Publication
Acta Crystallographica Section E: Crystallographic Communications
Status
Peer reviewed
DOI
https://doi.org/10.1107/S2056989018012343
ISSN
2056-9890
Type
Journal item
Rights
Copyright © 2018 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/16321

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