Crystal structures of bis(4-dimethylaminopyridinium) tetrachlorocobaltate(II) and bis-[1,3-di (ammoniummethyl)benzene]tetrachlorocobaltate(II) |
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Authors: | Salim Haddad Ashwani Vij Roger D Willett |
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Institution: | (1) Department of Chemistry, University of Jordan, Amman, Jordan;(2) University Research Office, University of Idaho, Moscow, Idaho, 83844;(3) Department of Chemistry, Washington State University, Pullman, Washington, 99164 |
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Abstract: | The crystal structures consist of organoammonium cations hydrogen bonded to tetrahedral CoCl4
2– anions. In the 4-dimethylaminopyridinium salt, (CH3)2NC5H5NH]2CoCl4, pairs of cations hydrogen bond in an asymmetric fashion to two of the chlorines in each anion. The planar cations form two sets of – 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 CoCl4
2– 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. |
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Keywords: | Tetrachlorocobaltate(II) –" target="_blank">gif" alt="pgr" align="BASELINE" BORDER="0">– stacking" target="_blank">gif" alt="pgr" align="BASELINE" BORDER="0"> stacking |
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