Iodo(phthalocyaninato)chromium(III).
A new chromium(III)-phthalocyanine complex with the formula [Cr(C(32)H(16)N(8))I], or CrPcI where Pc is phthalocyanate(2-), has been obtained by the reaction of pure Cr powder with phthalonitrile under a stream of iodine vapour. The five-coordinate Cr atom is bonded to the four isoindole N atoms of the phthalocyaninate(2-) ligand and to one apical iodine ligand, and has a square-pyramidal coordination geometry. The Cr(III) cation is significantly displaced [0.456 (2) A] from the N(4)-isoindole plane towards the I atom. The Cr-I bond is tilted 2.51 (4) degrees to the N(4)-isoindole plane.
Janczak
J
J
Departamento de Quimica, Instituto de Ciencias Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil. jjanek@dedalus.lcc.ufmg.br
Idemori
Y M
YM