摘要
<正> New binuclear copper(Ⅱ) complexes, [Cu(samen)Cu(NO2-phen)]·H2O and [Cu(sampn)-Cu(NO2-phen)]·2H2O have been synthesized, where samen4-, sampn4-and NO2-phen denote N, N′-ethylenedisalicylamidate anion, N, N′-1, 2-propanedisalicylamidate anion and 5-nitro-1, 10-phenanthroline respectively. 3ased on IR, elemental analyses and electronic spectra, the complexes are proposed to have a phenoxy-bridged structure and to consist of the Cu(Ⅱ)ion in distorted planar environment. The complexes have been characterized with varlable-temperature magnetic susceptibility (4—300 K) and the observed data were fit to those from a modified Bleaney-Bowers equation by least-squares method, giving the exchange integral J=-63.0 cm-1(samen) and J=-46.5cm-1(sampn). This indicates the existence of antiferromagnetic spin exchange interaction among the metal ions.
New binuclear copper(Ⅱ) complexes, [Cu(samen)Cu(NO<sub>2</sub>-phen)]·H<sub>2</sub>O and [Cu(sampn)-Cu(NO<sub>2</sub>-phen)]·2H<sub>2</sub>O have been synthesized, where samen<sup>4-</sup>, sampn<sup>4-</sup> and NO<sub>2</sub>-phen denote N, N′-ethylenedisalicylamidate anion, N, N′-1, 2-propanedisalicylamidate anion and 5-nitro-1, 10-phenanthroline respectively. 3ased on IR, elemental analyses and electronic spectra, the complexes are proposed to have a phenoxy-bridged structure and to consist of the Cu(Ⅱ)ion in distorted planar environment. The complexes have been characterized with varlable-temperature magnetic susceptibility (4—300 K) and the observed data were fit to those from a modified Bleaney-Bowers equation by least-squares method, giving the exchange integral J=-63.0 cm<sup>-1</sup> (samen) and J=-46.5cm<sup>-1</sup> (sampn). This indicates the existence of antiferromagnetic spin exchange interaction among the metal ions.
基金
Project supported by the National Natural Science Foundation of China.