Journal of Chemical Research - Part S, no.2, pp.96-97, 1998 (SCI-Expanded)
Variations of the electron paramagnetic resonance parameters of the copper phthalocyaninates dye to the paramagnetic and diamagnetic metal ions substituted into the outer cells of eight 12-membered tetraazamacrocycles are found to be very slight and this slight difference is attributed to the electronegativity of the substituted metal.