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首页> 外文期刊>Journal of chemical crystallography >Crystal structures of bis(4-dimethylaminopyridinium) tetrachlorocobaltate(II) and bis-1,3-di(ammoniummethyl) benzeneetrachlorocobaltate(II)
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Crystal structures of bis(4-dimethylaminopyridinium) tetrachlorocobaltate(II) and bis-1,3-di(ammoniummethyl) benzeneetrachlorocobaltate(II)

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摘要

The crystal structures consist of organoammonium cations hydrogen bonded to tetrahedral CoCl42- anions. In the 4-dimethylaminopyridinium salt, (CH3)(2)NC5H5NH(2)CoCl4, pairs of cations hydrogen bond in an asymmetric fashion to two of the chlorines in each anion. The planar cations form two sets of pi-pi stacks, first parallel to the a axis and the second parallel to the b axis. The anions lie between these two nonintersecting sets of stacks. In contrast, for the second compound, C6H4(CH2NH3)(2) CoCl4, the tetrahedral CoCl42- 4 anions form layers lying parallel to the bc plane. The 1,3-di(ammoniummethyl) benzene cations crosslink adjacent anionic layers, forming a lamellar structure of alternating organic and inorganic layers. References: 16

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