Electron Spin Resonance Study of Irrigated Single Crystals of O-Methoxyphenyl Hydrazide

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Date
2015-06-23
Authors
Omer Ibrahim, Eid
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uofk
Abstract
X-ray-irradiated single crystals of o-methoxy-phenylhydrazide have been studied by the Electron Spin Resonance (ESR) technique at room temperature. The main purpose of the work was to obtain data for the structure of the radical formed by x-irradiation. Spectral analysis lead to the conclusion that the hydrazyl radical NHNH2 was formed. The rotation of the crystal planes about the axes relative to the magnetic field revealed that the xy and the yz-planes are equivalent and hence the y-axis is the axial symmetry axis. The isotropic hyperfine couplings and the g- tensors were determined. The ESR spectrum obtained with lower field modulation and longer sweep time was line-rich and very complicated. In this connection, Electron Spin Double Resonance (ENDOR) measurements are required to obtain a detailed structure for the hydrazyl radical
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Electron Spin Resonance Study of Irrigated Single Crystals of O-Methoxyphenyl Hydrazide
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