No Species Found

No species in the database contian data from the requested reference: Koptev, G.S.; Panchenko, Y.N.; Tyulin, V.I.; Tatevskii, V.M., Calculation of the frequencies and forms of the vibrations of two isotopic forms of the 1,3-butadiene molecule C4H6 and C4D6., Opt. Spektrosk., 1965, 19, 194.