Molecular motions in chloramphenicol studied by35Cl nuclear quadrupole and1H nuclear magnetic resonance spectroscopy |
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| Authors: | B Nogaj J Wąsicki A Glaser P Bilski |
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| Institution: | 1. Institute of Physics, Adam Mickiewicz University, Poznań, Poland
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| Abstract: | The35Cl nuclear quadrupole resonance (NQR) frequency (vQ), nuclear quadrupole spinlattice relaxation time (T1Q),1H nuclear magnetic resonance second moment (M2) and nuclear magnetic spin-lattice relaxation timeT 1) were measured for polycrystalline chloramphenicol (drug) as a function of temperature. Hindered rotation of the CHC12 group and the phenyl ring was detected, the relevant activation energies were determined. The rotations are discussed in detail. |
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