Clathrate inclusiom compounds of bis(isothiocyanato) tetrakis (4-methylpyridine) nickel II: II. Arrangement of guest molecules in the β-Ni(NCS)2(4-methylpyrldine)4 porous crystals |
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| Authors: | Janusz Lipkowski Kinga Suwińska Giovanni D. Andreetti Katarzyna Stadnicka |
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| Affiliation: | Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01 224 Warszawa, Poland;Institute of Structural Chemistry of the university of Parma, via M. d''Azeglio 85, 43 100 Parma, Italy;Institute of Chemistry of the Jagiellonian University, Karasia 3, 30 060 Kraków, Poland |
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| Abstract: | ![]()
In this paper crystal structures of three tetragonal 141/a β-Ni(NCS)2(4-Methylpyridine)4 clathrates containing p-xylene (1:1), m-xylene (1:1) and methanol (2:1 mole of guest/mole of host), respectively, as the guest components are reported and discussed.The guest molecules were found to occupy centrosymmetric cavities in the hoat structure. Non-centrosymmetric m-xylene molecules are disordered to at least two orientations interrelated by inversion; methanol molecules enter the cavities as centrosymmetric pairs. |
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