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Frequency Measurement of Pure Rotational Transitions of H217O and H218O from 0.5 to 5 THz

✍ Scribed by Fusakazu Matsushima; Hajime Nagase; Takao Nakauchi; Hitoshi Odashima; Kojiro Takagi

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 216 KB
Volume: 193
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1998.7736

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✦ Synopsis

Frequencies of pure rotational transitions of isotopic species of water, H217O, and H218O were measured in the 1-5 THz region with a high-precision far-infrared spectrometer using a tunable radiation source. Measured frequencies of more than 100 spectral lines for each species provide an excellent frequency standard for the far-infrared region. Molecular parameters based on a Watson-type Hamiltonian have been obtained to reproduce the observed frequencies. Copyright 1999 Academic Press.

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