Issue 22, 2003

Rotational spectrum, hyperfine structure and structure of 2-azetidinone

Abstract

The quadrupole hyperfine structure due to 14N in 2-azetidinone has been measured using microwave Fourier transform spectroscopy. Furthermore, the rotational constants of the 13C, 15N and 18O isotopomers have been determined permitting the calculation of the substitution structure of the heavy atom skeleton. The millimetre-wave spectrum of the main isotopomer has been measured up to 462 GHz for the ground vibrational state (Jmax = 82) as well as for the first three excited puckering states permitting the determination of accurate spectroscopic constants. High-level quantum chemical calculations of the structure have been made. The ab initio equilibrium structure is compared with the experimental structures.

Supplementary files

Article information

Article type
Paper
Submitted
14 Jul 2003
Accepted
24 Sep 2003
First published
07 Oct 2003

Phys. Chem. Chem. Phys., 2003,5, 5038-5043

Rotational spectrum, hyperfine structure and structure of 2-azetidinone

K. Demyk, D. Petitprez, J. Demaison, H. Møllendal and G. Wlodarczak, Phys. Chem. Chem. Phys., 2003, 5, 5038 DOI: 10.1039/B307958A

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