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  • Title: X-ray absorption spectroscopy of liquid methanol microjets: bulk electronic structure and hydrogen bonding network.
    Author: Wilson KR, Cavalleri M, Rude BS, Schaller RD, Catalano T, Nilsson A, Saykally RJ, Pettersson LG.
    Journal: J Phys Chem B; 2005 May 26; 109(20):10194-203. PubMed ID: 16852236.
    Abstract:
    We have measured the X-ray absorption (XA) spectrum of liquid (298 K) methanol at the oxygen and carbon K edges. The 4a(1) orbital at the O K edge exhibits a pronounced sensitivity to the formation of intermolecular hydrogen bonds, with significant differences observed between the vapor and bulk spectra, whereas the C K edge reveals only subtle corresponding spectral changes. Comparison with DFT computed spectra of model methanol clusters indicates that the bulk liquid comprises long chains (n > 6) and rings of hydrogen-bonded monomers.
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