Structure Data of Free Polyatomic Molecules
570
MW
C4H8Se
rs
C–Se
C(2)–C(3)
C(3)–C(4)
a
Tetrahydroselenophene
Å
1.9639(4)
1.5344(6)
1.5245(4)
θs
C–Se–C
Se–C–C
C–C–C
φ a)
deg
90.32(3)
105.50(4)
107.66(4)
28.15(7)
C2
Se
) Dihedral angle between the C(5)–Se–C(2) and
C(3)...Se...C(4) planes, namely the ring torsion angle.
Galeev, R.V., Gunderova, L.N., Mamleev, A.Kh., Pozdeev, N.M.: Zh. Strukt. Khim. 40 No.3
(1999) 596; J. Struct. Chem. (Engl. Transl.) 40 (1999) 491.
II/25C (3, 1771)
Landolt-Börnstein
New Series II/28C