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Interconversions between five open-chain conformers of methanol dimer trapped in solid nitrogen have been studied through selective excitation of their CH and OH stretching modes. A nearly complete vibrational assignment for three of them is deduced from these irradiation effects and also from thermal conversion observed between 7 and 8 K. Kinetic studies allow us to precise the schemes of conversion...
In a first part we propose an accurate assignment of the vibrational spectra of (CH 3 OH) 2 and (CH 318 OH) 2 trapped in argon at 7 K, which differentiates the proton donor (PD) and proton acceptor (PA) molecules of four open chain conformers stable at this temperature. Then we describe the effects of monochromatic irradiations in the OH and CO stretching...
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