Second-sphere coordination complex via hydrogen bonding: synthesis, characterization and X-ray crystal structure of hexaamminecobalt(III)chloride dimethanesulphonate, [Co(NH3)6]Cl(CH3SO3)2
作者： Raj Pal Sharma , Ritu Bala , Rajni Sharma , Paloth Venugopalan
DOI: 10.1016/J.MOLSTRUC.2004.03.040
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摘要: Abstract The reaction of hexaamminecobalt(III)chloride with sodium salt methanesulphonic acid in aqueous medium (1:3 molar ratio) leads to formation dimethanelsulphonate, [Co(NH3)6]Cl(CH3SO3)2. This cobalt(III) complex has been characterized by elemental analyses and spectroscopic techniques (e.g. UV/Visible, IR NMR). Single crystal X-ray structure determination [Co(NH3)6]Cl(CH3SO3)2 revealed supramolecular hydrogen bonding network between ionic groups (i.e. oxygen atoms CH3SO3− Cl−) NH group coordinated NH3 molecules, i.e. N–H⋯O N–H⋯Cl− interactions resulting bilayer formation, the bilayers being anchored Cl− ions.
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