期刊
ANALYTICAL SCIENCES
卷 29, 期 8, 页码 773-776出版社
JAPAN SOC ANALYTICAL CHEMISTRY
DOI: 10.2116/analsci.29.773
关键词
Coordination bonding; cold-spray ionization mass spectrometry; solvent-dependent; single-crystal X-ray analysis
资金
- Grants-in-Aid for Scientific Research [24619008] Funding Source: KAKEN
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.
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