Abstract
Electron paramagnetic resonance (EPR) studies have been carried out on Cu(II) doped Cd(C 5H 5NO) 6(BF 4) 2 in single crystal and powder forms at 300 K. Angular variation of hyperfine structure lines shows the presence of two magnetic sites, indicating possible twinning in the Cd lattice. From the mean values of two sites, the angular variation plot is fitted to an orthorhombic spin Hamiltonian. The observed orthorhombic g values and the very low A 11 value (| A 11|=107.8×10 −4 cm −1) are unusual for a hexakis coordinated system. This unique behavior is explicable in terms of the static Jahn–Teller (JT) effect.
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More From: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
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