Next Article in Journal / Special Issue
A New Potent Route of DNA Vaccine Inoculation: DNA-Liposome Complexes on Bare Skin Induce Antigen-Special Antibody Responses
Previous Article in Journal / Special Issue
Sub-Doppler Spectroscopy by Use of Microwave Sidebands of CO2 Laser Lines Applied to the C-O Stretching Fundamental Band of Methanol
Molecules 2003, 8(1), 103-119; doi:10.3390/80100103

Microwave Spectrum of the Ethylmethyl Ether Molecule

* , , ,  and
Department of Physics, Toyama University, Gofuku, Toyama, 930-8555, Japan
* Author to whom correspondence should be addressed.
Received: 1 January 2003 / Published: 31 January 2003
View Full-Text   |   Download PDF [87 KB, uploaded 18 June 2014]   |  


We have observed rotational transitions of ethylmethyl ether (CH3CH2OCH3) in the 24-110 GHz frequency range. We newly assigned the transitions of four Q-branch series for J=1-38 with Ka=0-5 and six R-branch series of b-type transitions for J=7-37 with Ka=0-3. All these assigned transitions were observed to be split into two or four components due to the internal rotations of the methyl groups. We analyzed the averaged frequencies of the split components on the basis of the Watson A-reduced Hamiltonian, neglecting the effect of the internal rotations. A total of 122 transitions were fitted to eight molecular parameters to a 1s standard deviation of 24 kHz. The parameters A, B, C and DJ were improved, and DJK, Dk, dJ and dK were determined for the first time.
Keywords: Ethylmethyl ether; spectroscopy; microwave Ethylmethyl ether; spectroscopy; microwave
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Share & Cite This Article

Further Mendeley | CiteULike
Export to BibTeX |
EndNote |
MDPI and ACS Style

Tsunekawa, S.; Kinai, Y.; Kondo, Y.; Odashima, H.; Takagi, K. Microwave Spectrum of the Ethylmethyl Ether Molecule. Molecules 2003, 8, 103-119.

View more citation formats

Related Articles

Article Metrics

For more information on the journal, click here


[Return to top]
Molecules EISSN 1420-3049 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert