First analysis of the rotationally-resolved ?<sub>2</sub> and 2?<sub>2</sub>-?<sub>2</sub> bands of sulfur dioxide, <sup>33</sup>S<sup>16</sup>O<sub>2</sub> [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 543.8 Chromatography

Thông tin xuất bản: Richland, Wash. : Oak Ridge, Tenn. : Pacific Northwest National Laboratory (U.S.) ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2017

Mô tả vật lý: Size: p. 19-22 : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 265893

 A Fourier transform spectrum of sulfur dioxide <
 sup>
 33<
 /sup>
 S<
 sup>
 16<
 /sup>
 O<
 sub>
 2<
 /sub>
  has been recorded in the 18.3 ?m spectral region at a resolution of 0.002 cm<
 sup>
 $-$1<
 /sup>
  using a Bruker IFS 125HR spectrometer leading to the observation of the ?<
 sub>
 2<
 /sub>
  and 2?<
 sub>
 2<
 /sub>
 -?<
 sub>
 2<
 /sub>
  vibrational bands of the <
 sup>
 33<
 /sup>
 S<
 sup>
 16<
 /sup>
 O<
 sub>
 2<
 /sub>
  molecule. The corresponding upper state ro-vibrational levels were fit using Watson-type Hamiltonians. In this way it was possible to reproduce the upper state ro-vibrational levels to within the experimental uncertainty
  i.e., ~ 0.20 � 10<
 sup>
 $-$3<
 /sup>
  cm<
 sup>
 $-$1<
 /sup>
 . Finally, very accurate rotational and centrifugal distortion constants were derived from the fit together with the following band centers: ?<
 sub>
 0<
 /sub>
  (?<
 sub>
 2<
 /sub>
 ) = 515.659089(50) cm<
 sup>
 $-$1<
 /sup>
 , ?<
 sub>
 0<
 /sub>
  (2?<
 sub>
 2<
 /sub>
 ) = 1030.697723(20) cm<
 sup>
 $-$1<
 /sup>
 .
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