Triple differential cross-sections for near threshold (e, 2e) process for hydrogen |
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| Authors: | M. K. Srivastava R. K. Chauhan |
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| Affiliation: | (1) Department of Physics, National Institute of Technology, 780 010 Silchar, India;(2) Department of Physics, Assam University, 788 011 Silchar, India |
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| Abstract: | The resonance Raman (RR) spectra of nickel octaethyl porphyrin, Ni(OEP), in CH2Cl2 (solvent) at different excitations such as 514.5, 488.0, 441.6 and 406.7 nm are recorded and analysed. The results of the theory of distortion-induced RR intensity is applied to the observed spectra to determine the excited electronic state symmetry of porphyrin in Ni(OEP). It is concluded that the porphyrin molecule (D4h structure) attains a non-polar distorted structure of D2 symmetry rather than S4 symmetry in CH2Cl2 solution. |
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| Keywords: | Resonance Raman study nickel octaethyl porphyrin distorted structure of porphyrin resonance Raman spectra of Ni(OEP) |
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