002000028b_102.pdf

Structure Data of Free Polyatomic Molecules
100
LIF
CH2Ge
State
Energy [eV]
r0(Ge=C) [Å]
r0(C−H) [Å]
θ0(H−C−H) [deg]
Germylidene
Methylenegermylene
~
X 1A 1
0.00
1.7908(2)
1.1022(5)
115.05(5)
~
B 1B2
3.389
1.914(4)
1.082(9)
139.3(11)
C2v
H
Ge
H
H2C74Ge and D2C74Ge were produced in a pulsed-jet discharge using isotopically enriched
~
~
tetramethylgermane and tetramethylgermane-d12 as precursors. The B 1B2 − X 1A1 spectra
were studied by laser-induced fluorescence. Zero-point structures for the two electronic states
were deduced from the rotational constants.
Hostutler, D.A., Smith, T.C., Li, H., Clouthier, D.J.: J. Chem. Phys. 111 (1999) 950.
Landolt-Börnstein
New Series II/28B