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1 Polish Journal of Chemistry

1 2001

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New Polymeric Copper(II) Complexes with Tributy I Phosphite and Perfluorinated Carboxylates

Szłyk E., Szymańska I., Kucharek R., Wrzeszcz G., Rozpłoch F.

Polish Journal of Chemistry

2001

Vol. 75, nr 2

215-222

New Cu(II) complexes with tributyl phosphite and aliphatic perfluorinated carboxylates [Cu{P(OBu)3}(ž-OH)(ž-RCOO)]n, where R = CF3, C2F5, C3F7, C6F13, C7F15, were obtained and their spectroscopic (UV-VIS, EPR, MS, IR) and thermal properties were studied. Mass spectra were in favour of the bridging coordination carboxylates and monodentate phosphite and suggest a polymeric structure. EPR spectra and magnetic susceptibility measurements indicate the formation of pentacoordinated Cu(II) in polymeric complexes. Examination of COO absorption bands suggests bridging carboxylates as well as a hydroxo group, whereas tributyl phosphite is monodentately bonded. Thermal decomposition is a multistage process, which in nitrogen and air yields a mixture of Cu2O and Cu2P2O7.