Structure Data of Free Polyatomic Molecules
618
MW
C 5H
3-Ethynyl-3-cyclopropen-1-yl-2-ylidene
Contrary to theoretical prediction, c-C5H is apparently
unsymmetrical, plausibly the result of pseudo-Jahn-Teller
deformation of the C3 ring.
Apponi, A.J., Sanz, M.E., Gottlieb, C.A., McCarthy, M.C.,
Thaddeus, P.: Astrophys. J. 547 (2001) L65.
Landolt-Börnstein
New Series II/28D
Cs
..
H C C
.