No Species Found

No species in the database contian data from the requested reference: Shen, L.N.; Doyle, T.J.; Graham, W.R.M., Fourier transform spectroscopy of C4H (butadiynyl) in argon at 10 K C-H and C.tplbond.C stretching modes, J. Chem. Phys., 1990, 93, 1597-603.