Metal complexes of O-alkyl-1-amidinoureas. Part I. Nickel(II)
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 580-582
- https://doi.org/10.1039/j19670000580
Abstract
By the reaction of dicyandiamide with nickel(II) salts in alcohol a series of bis-O-alkyl-1-amidinourea (R-au) complexes have been prepared. These are characterised as Ni(R-au)2X2. Magnetic and spectral results indicate that R-au is a strong-field ligand. All the complexes reported are square-planar, diamagnetic, and orange-yellow. A complex in which the ligand itself becomes anionic is also reported. A spectral comparison of these two types of complexes permits an assignment of relative energies for the d orbitals.Keywords
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