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Published in last 50 years
Coordination Polymers of some First Row Transition Metals
The solid compounds formed between the aminomethylphosphonic or aminoethylphosphonic acids and the copper(II) ion in monocrystalline and polycrystalline form were synthesized and characterized by magnetic susceptibilities value data obtained by the Faraday method over the temperature range from 4.2 K to 300 K and by providing a model of magnetic interactions. Structures which are compatible with the magnetic data are suggested for the complexes.
Complexes of copper, nickel, cobalt, palladium, and platinum with pyrazine-2,5-dicarboxylic acid have been prepared and characterized as potential semiconductors. All. however, showed power resisti- titles >10 12 ohm.
Coordination compounds of phenylphosphonic acid have been prepared with manganese (II), cobalt(II), nickel(II), copper(II) and zinc(II). The complexes have been characterized by means of i.r. spectra, visible spectra and magnetic susceptibilities. The phenylphosphonate ion acts as a bridging ligand between metals giving cross-linked polymers.
A novel synthesis of transition metal coordination polymers