Abstract
The title compound, (C19H15N4)2[Co(NCS)4], has two crystallographycally different molecules of bis(2,3,5-triphenyltetrazolium) tetrathiocyanatecobaltate in the asymmetric unit. There are only minor geometric differences between them. Each cobalt(II) ion is coordinated by the N atoms of four NCS anions, showing the magnitude of the magnetic moment expected from the NCS− crystal field strength.
Highlights
The title compound, (C19H15N4)2[Co(NCS)4], has two crystallographycally different molecules of bis(2,3,5-triphenyltetrazolium) tetrathiocyanatecobaltate in the asymmetric unit
Anions, showing the magnitude of the magnetic moment expected from the NCS crystal field strength
Ion is in a low spin state, see: Kawamura et al (1990). 1,3,5Triphenylformazan, used in the preparation of the title compound, is well known to be oxidized to the corresponding tetrazolium cation by utilizing some oxidation reagent or air oxidation, see: Nineham (1955)
Summary
Graduate School of Human and Environmental Studies, Kyoto University, Yoshidanihonmatsu-cho, Sakyo-ku, Kyoto 606-8501, Japan, bDepartment of. 621-8555, Japan, and cGraduate School of Science, Kyoto University, Oiwake-cho, Kitashirakawa, Sakyo-ku, Kyoto 606-8502, Japan
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