2004
DOI: 10.1021/jp0463464
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Morphology of Protonated Methanol Clusters:  An Infrared Spectroscopic Study of Hydrogen Bond Networks of H+(CH3OH)n(n= 4−15)

Abstract: Infrared spectroscopy of large-sized protonated methanol clusters, H(+)(MeOH)(n) (n = 4-15), was carried out in the OH stretch region to characterize the development of the hydrogen bond network with the cluster size, n. The band intensity of the free OH stretching mode decreased with n, and the band finally disappeared at n = 7. On the other hand, the broad absorption band due to hydrogen-bonded OH stretches exhibited a remarkable shift with the cluster size, and it finally converged on 3300 cm(-1) for n >/= … Show more

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Cited by 52 publications
(60 citation statements)
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“…From our calculation we have evaluated that from 5 to 14 solvent molecules are globally involved in cluster's formation for, respectively, pure methanol and pure water, while, mixed methanol/water cluster are constituted by an intermediate number of solvation molecules. This result is in agreement to what reported in the literature (Kortum, 1965;Fujii et al, 2005) also considering that each ion in the resin network is then solvated by 3-6 molecules.…”
Section: Development Of the Partition Modelsupporting
confidence: 93%
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“…From our calculation we have evaluated that from 5 to 14 solvent molecules are globally involved in cluster's formation for, respectively, pure methanol and pure water, while, mixed methanol/water cluster are constituted by an intermediate number of solvation molecules. This result is in agreement to what reported in the literature (Kortum, 1965;Fujii et al, 2005) also considering that each ion in the resin network is then solvated by 3-6 molecules.…”
Section: Development Of the Partition Modelsupporting
confidence: 93%
“…The same occurs for what concerns the negative sulphonic group that are surrounded by a similar number of water or methanol molecules in the primary solvation shell. A similar situation occurs for methanol-water mixtures forming charged mixed clusters containing both the molecules (Kortum, 1965;Fujii et al, 2005). Another interesting work is that of Pöpken et al (2000) in which the adsorption on Amberlyst 15 has been investigated, at 25…”
Section: Introductionmentioning
confidence: 81%
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