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First Observation of a Dihydrogen Bond Involving the Si-H Group in Phenol-Diethylmethylsilane Clusters by Infrared-Ultraviolet Double-Resonance Spectroscopy

First Observation of a Dihydrogen Bond Involving the Si-H Group in Phenol-Diethylmethylsilane Clusters by Infrared-Ultraviolet Double-Resonance Spectroscopy

Haruki Ishikawa, Akira Saito, Masuyuki Sugiyama, Naohiko Mikami

J Chem Phys. 2005 Dec 8;123(22):224309.

PMID: 16375478

Abstract:

We have experimentally identified a dihydrogen bond involving the Si-H group in phenol-diethylmethylsilane (DEMS) clusters for the first time by IR-UV double-resonance spectroscopy. Vibrational shifts to lower frequency of 21-29 cm(-1) were found for the OH stretching vibration of three isomers of the phenol-DEMS clusters. Spectral simulations based on the MP2 calculations also support our observation. In addition to these clusters, dihydrogen bonds were also observed in the phenol-H(2)O-DEMS and (phenol)(2)-DEMS clusters, which exhibited much stronger interactions than the phenol-DEMS clusters.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP760327	Diethylmethylsilane		760-32-7	Price

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