IR-UV double-resonance spectroscopy of the nucleobase adenine

Chr Plützer; E. Nir; M. S. de Vries; K. Kleinermanns

doi:10.1039/b107997b

IR-UV double-resonance spectroscopy of the nucleobase adenine

Chr Plützer, E. Nir, M. S. de Vries, K. Kleinermanns

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129 Scopus citations

Abstract

We present R2PI and IR-UV double resonance spectra of the nucleobase adenine seeded in a supersonic jet. We show that there is only one tautomer of adenine which absorbs in the wavelength range 36050 to 36700 cm^-1. The IR spectra, measured in the range 3200 to 3700 cm^-1, show bands at 3452, 3508 and 3569 cm^-1, which we assign to the symmetric NH₂, N-H and antisymmetric NH₂ stretching vibrations of a single tautomer of adenine. We compare the experimental IR-UV double resonance spectra with ab initio based normal mode calculations. The observed tautomer is most probably the 9H amino-form of adenine.

Original language	English
Pages (from-to)	5466-5469
Number of pages	4
Journal	Physical Chemistry Chemical Physics
Volume	3
Issue number	24
DOIs	https://doi.org/10.1039/b107997b
State	Published - 1 Jan 2001
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "IR-UV double-resonance spectroscopy of the nucleobase adenine",

abstract = "We present R2PI and IR-UV double resonance spectra of the nucleobase adenine seeded in a supersonic jet. We show that there is only one tautomer of adenine which absorbs in the wavelength range 36050 to 36700 cm-1. The IR spectra, measured in the range 3200 to 3700 cm-1, show bands at 3452, 3508 and 3569 cm-1, which we assign to the symmetric NH2, N-H and antisymmetric NH2 stretching vibrations of a single tautomer of adenine. We compare the experimental IR-UV double resonance spectra with ab initio based normal mode calculations. The observed tautomer is most probably the 9H amino-form of adenine.",

author = "Chr Pl{\"u}tzer and E. Nir and {de Vries}, {M. S.} and K. Kleinermanns",

year = "2001",

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T1 - IR-UV double-resonance spectroscopy of the nucleobase adenine

AU - Plützer, Chr

AU - Nir, E.

AU - de Vries, M. S.

AU - Kleinermanns, K.

PY - 2001/1/1

Y1 - 2001/1/1

N2 - We present R2PI and IR-UV double resonance spectra of the nucleobase adenine seeded in a supersonic jet. We show that there is only one tautomer of adenine which absorbs in the wavelength range 36050 to 36700 cm-1. The IR spectra, measured in the range 3200 to 3700 cm-1, show bands at 3452, 3508 and 3569 cm-1, which we assign to the symmetric NH2, N-H and antisymmetric NH2 stretching vibrations of a single tautomer of adenine. We compare the experimental IR-UV double resonance spectra with ab initio based normal mode calculations. The observed tautomer is most probably the 9H amino-form of adenine.

AB - We present R2PI and IR-UV double resonance spectra of the nucleobase adenine seeded in a supersonic jet. We show that there is only one tautomer of adenine which absorbs in the wavelength range 36050 to 36700 cm-1. The IR spectra, measured in the range 3200 to 3700 cm-1, show bands at 3452, 3508 and 3569 cm-1, which we assign to the symmetric NH2, N-H and antisymmetric NH2 stretching vibrations of a single tautomer of adenine. We compare the experimental IR-UV double resonance spectra with ab initio based normal mode calculations. The observed tautomer is most probably the 9H amino-form of adenine.

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DO - 10.1039/b107997b

M3 - Article

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VL - 3

SP - 5466

EP - 5469

JO - Physical Chemistry Chemical Physics

JF - Physical Chemistry Chemical Physics

IS - 24

ER -

IR-UV double-resonance spectroscopy of the nucleobase adenine

Abstract

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