Supplementary Material
for
A wine red copper(II) complex of a tetradentate
nitrogen donor ligand, showing two-electron oxidation.
Generation of a copper(II)-phosphine bond
Nirmal K. Shee†, Shanti G. Patra†, Michael G. B. Drew‡ and Dipankar
Datta*†
†Department of Inorganic Chemistry, Indian Association for the Cultivation of Science,
Calcutta 700 032, India
‡Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD,
UK
Figure S1. The cyclic voltammogram of 2 at a gold electrode modified by thiocyanate, in
CH2Cl2 (1 mmol dm-3). Scan rate, 50 mV s-1; supporting electrolyte, 0.1 mol dm-3 TBAP.
Figure S2. The plot used to evaluate the bond valence parameter r0 (in Å) for the Cu(IV)O bond. Coefficient of determination is 1.00.
Figure S3. The plot used to determine the bond valence parameter r0 (in Å) for the
Cu(IV)-N bond. Coefficient of determination is 1.00.
Figure S4. 500 MHz 1H NMR spectrum of LH2.H2O in DMSO-d6 showing the
assignments of the peaks. Peaks marked by S are due to the solvent.
Figure S5. 500 MHz
13
C NMR spectrum of LH2.H2O in DMSO-d6 showing the
assignments of the peaks. Peaks marked by S are due to the solvent.
Figure S6. 500 MHz 1H NMR spectrum of 2 in DMSO-d6 showing the assignments of
the peaks. Peaks marked by S are due to the solvent.