Intercalation of copper(II) nitrate within the layers constructed by zwitterionic (2,2-dimethyl-1,3-propanediamine)Pt-II(nicotinate)(2)

Abstract

Pale blue crystals were obtained from an aqueous solution containing equimolar amounts of (dmpda)Pt(N-nic)(2) (dmpda = 2,2-dimethyl-1,3-propanediamine, nic = nicotinate) and copper(II) nitrate and subjected to X-ray crystallography, which revealed that the crystals are a composite material of the formula [(dmpda)Pt(N-nic)(2)](2). Cu(OH2)(5). 2NO(3). 4.5H(2)O. Copper(II) nitrate was found to be intercalated between the platinum complex layers which were constructed by non-covalent bonding interactions such as hydrogen bonding, pi-pi* stacking and electrostatic interactions of the platinum(II) complex. A linear array of the intercalated cationic Cu(OH,), complex was observed. The value of the effective magnetic moment of the composite material is subnormal (mu(eff) = 1.57 BM) at room temperature. (C) 2000 Elsevier Science S.A. All rights reserved.