Journal
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
Volume 636, Issue 8, Pages 1435-1437Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.201000048
Keywords
Macrocyclic ligands; Sulfenium Cation; Nickel; X-ray diffraction; IR spectroscopy
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Funding
- Deutsche Forschungsgemeinschaft (DFG)
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The synthesis and structure of a macrocyclic dinickel complex incorporating a hypercoordinated sulfenium(II) cation are reported. The novel complex [Ni2L3(Cl)](2+) was obtained from a reaction of the per-hydroxyethylated N6S2 macrocycle H2L2 with NiCl2(H2O)(6) in the presence of air, and isolated as its ClO4 or BPh4 salt: The structure reveals a three-coordinate sulfenium cation that is stabilized by two intramolecularly coordinating amino groups. The N-S bonds are 2.087(7) angstrom and 2.105(6) angstrom and the N-S-N bond angle is 168.2(2)degrees. The bonding is best described by a N,N-chelated sulfur(II) atom (3c-4e bond) bearing two lone pairs and a formal charge of +1.
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