Communication: Helium nanodroplet isolation and rovibrational spectroscopy of hydroxymethylene

Leavitt, Christopher M.; Moradi, Christopher P.; Stanton, John F.; Douberly, Gary E.

doi:10.1063/1.4874850

Communication: Helium nanodroplet isolation and rovibrational spectroscopy of hydroxymethylene

Journal Article · Mon May 05 00:00:00 EDT 2014 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.4874850· OSTI ID:1409051

Leavitt, Christopher M. ^[1]; Moradi, Christopher P. ^[2]; Stanton, John F. ^[3]; ^[2]

Univ. of Georgia, Athens, GA (United States); University of Georgia, Athens, GA
Univ. of Georgia, Athens, GA (United States)
Univ. of Texas at Austin, Austin, TX (United States)

Here, hydroxymethylene (HCOH) and its d₁-isotopologue (HCOD) are isolated in low temperature helium nanodroplets following pyrolysis of glyoxylic acid. Transitions identified in the infrared spectrum are assigned exclusively to the trans-conformation based on previously reported anharmonic frequency computations. For the OH(D) and CH stretches, a-and b-type transitions are observed, and when taken in conjunction with CCSD(T)/cc-pVTZ computations, lower limits to the vibrational band origins are determined. The relative intensities of the a-and b-type transitions provide the orientation of the transition dipole moment in the inertial frame. The He nanodroplet data are in excellent agreement with anharmonic frequency computations reported here and elsewhere, confirming an appreciable Ar-matrix shift of the OH and OD stretches and strong anharmonic resonance interactions in the high-frequency stretch regions of the mid-infrared.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Georgia Research Foundation, Athens, GA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division

Grant/Contract Number:: SC0008086

OSTI ID:: 1409051

Alternate ID(s):: OSTI ID: 22252937

Journal Information:: Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 17 Vol. 140; ISSN 0021-9606

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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