Structure Data of Free Polyatomic Molecules
487
MW
C 4H 2
1,2,3-Butatrienylidene
C2v
H
r0
H–C(1)
C(1)=C(2)
C(2)=C(3)
C(3)=C(4)
Å
1.108(7)
1.304(4)
1.291(4)
1.283(4)
θ0
H–C(1)–H
deg
121.4(8)
rs
H–C(1)
C(1)=C(2)
C(2)=C(3)
C(3)=C(4)
Å
1.079(2)
1.306(4)
1.294(4)
1.278(4)
θs
H–C(1)–H
deg
119.4(4)
C
C
C
H
Travers, M.J., Chen, W., Novick, S.E., Vrtilek, J.M., Gottlieb, C.A., Thaddeus, P.: J. Mol.
Spectrosc. 180 (1996) 75.
Landolt-Börnstein
New Series II/28C
C: