Structure Data of Free Polyatomic Molecules
374
MW
C 3H 4O 2
(Z)-3-Hydroxy-2-propenal
Malonaldehyde, enol tautomer
C2v
(effective symmetry class)
O
H
OH
OH
H
O
H
H
The proton tunneling splitting in the ground state
and the tunneling-rotation interaction constant were determined to be 647046.208(19) and
45.8965(82) MHz, respectively.
Baba, T., Tanaka, T., Morino, I., Yamada, K.M.T., Tanaka, K.: J. Chem. Phys. 110 (1999)
4131.
II/25C (3, 1165)
Landolt-Börnstein
New Series II/28C