Publication | Closed Access
A Novel Tetranuclear Copper(II) Complex with Alternating μ<sub>1,1</sub>-Azido and Phenoxo Bridges: Synthesis, Structure, and Magnetic Properties of [Cu<sub>4</sub>(μ-salen)<sub>2</sub>(μ<sub>1,1</sub>-N<sub>3</sub>)<sub>2</sub>(N<sub>3</sub>)<sub>2</sub>]
105
Citations
52
References
2003
Year
Materials ScienceInorganic ChemistryMagnetic PropertiesCopper Oxide MaterialsMagnetismEngineeringMolecule-based MagnetCoordination ComplexNovel Tetranuclear CopperPhenoxo BridgesMonophenoxo BridgesChemistryMolecular ComplexCrystallographyInorganic SynthesisX-ray Single-crystal AnalysisInorganic Compound
A novel tetranuclear copper(II) complex containing alternating mu(1,1)-azido and monophenoxo bridges has been synthesized and characterized by spectroscopic methods, X-ray single-crystal analysis, and variable-temperature magnetic measurements. The magnetic behavior, investigated in the temperature range 2-300 K, indicates that the interactions between copper ions are antiferromagnetic in nature for both azido and phenoxo bridges. The temperature dependence of the magnetic susceptibility was fitted with J(1) = -12.8 cm(-1), J(2) = -10 cm(-1), g = 2.171, 2.1% paramagnetic component, and negligible temperature-independent paramagnetism (5 x 10(-8)). At variance with the earlier reports of these types of complexes containing a mu(1,1)-azido group, the end-on double-azido-bridged copper(II) center in this complex shows an antiferromagnetic interaction.
| Year | Citations | |
|---|---|---|
Page 1
Page 1