Structure Data of Free Polyatomic Molecules
539
MW
C 4H 6O
2,5-Dihydrofuran
C2v
rs
O–C(2)
C(2)–C(3)
C(3)=C(4)
Å a)
1.4206(5)
1.5066(10)
1.3254
θs
C(2)–O–C(5)
O–C(2)–C(3)
C(2)–C(3)=C(4)
deg a)
112.6(1)
104.2(1)
109.5
r0
O–C(2)
C(2)–C(3)
C(3)=C(4)
C(2)–H
C(3)–H
Å b)
1.4293(5)
1.5013(10)
1.3443
1.0978 c)
1.0843 c)
θ0
C(2)–O–C(5)
O–C(2)–C(3)
C(2)–C(3)=C(4)
O–C(2)–H
C(2)–C(3)–H
C(5)–O–C(2)–H
deg b)
110.24(9)
105.41(9)
109.47
109.46 c)
123.72 c)
119.55(3)
Atom
C(2)
C(3)
O
|as| [Å]
0.3560
1.0640
1.1671
O
|bs| [Å]
1.1660
0.6627
0.0
a
) Uncertainties were not estimated in the original paper.
) Estimated standard errors.
c
) Assumed.
b
Melandri, S., Velino, B., Caminati, W.: J. Mol. Struct. 563-564 (2001) 245.
Replaces II/25C (3, 1652), MW
Landolt-Börnstein
New Series II/28C