Document Detail


Solvent-dependent Assembly of Discrete and Continuous CoCl2 Adamantane-based Ligand Complexes: Observations by CSI-Mass Spectrometry and X-ray Crystallography.
MedLine Citation:
PMID:  23934556     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Discrete and continuous coordination structures were obtained in single crystals of CoCl2 and an adamantane-based bidentate ligand bearing imidazolyl groups, depending on the methanol concentration in a methanol-chloroform mixture. Single-crystal X-ray structure analysis revealed that the metal centers exhibited a tetrahedral geometry in the discrete complex and an octahedral geometry in the continuous metal complex. Conventional analytical methods, including UV-vis and NMR spectroscopy, could not identify those two complexes in solution. In contrast, cold-spray ionization mass spectrometry could detect differences between the discrete complex and the continuous metal complex, and ion peaks due to continuous ligand adducts were found only in the spectrum of the continuous metal complex.
Authors:
Kazuaki Ohara; Masahide Tominaga; Isao Azumaya; Kentaro Yamaguchi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Analytical sciences : the international journal of the Japan Society for Analytical Chemistry     Volume:  29     ISSN:  1348-2246     ISO Abbreviation:  Anal Sci     Publication Date:  2013  
Date Detail:
Created Date:  2013-08-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511078     Medline TA:  Anal Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  773-6     Citation Subset:  IM    
Affiliation:
Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University.
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