In database:
283-6700 cm-1
41-290 nm
Propyne (CH3C2H)
Molecular weight 40.0646 amu
Freezing point -103 C
Boiling point -23 C

Infrared cross-sections from PNNL
FTIR infrared cross-sections from 560 to 6700 cm-1
Data available at 5 C, 25 C, and 50 C
Spectra is composite of on the order of 10 different pressures,backfilled with nitrogen to 760 T.
Images of PNNL data in wavenumbers
Images of PNNL data in microns

UV cross-sections
From Dave Crisp, .106-.29 microns
Image of UV data

Please see The MPI-Mainz UV/VIS Spectral Atlas
Image of temperature dependent UV data from 160 to 200 nm

Additional References
The n10=1 Level of Propyne, H3CCCH, and its Interactions with n9=1 and n10=2; H.S.P. Muller, P. Pracna, and V.-M. Horneman; J.Mol.Spec. 216:397-407 (2002).
Image of data from 730 to 940 cm-1
Rovibrational and Rotational Spectroscopy of Levels of Propyne Around 1000 cm-1; P. Pracna et al.; J.Mol.Spec. 206:150-157 (2001).
High-Resolution Absorption Spectroscopy of the 3 n1 and 3n1+n3 Bands of Propyne; A. Campargue, E. Bertseva, G. Graner, and M. Herman; J.Mol.Spec 201:156-163 (2000).
Figure 1,2, and 7, images of data

Notes ch3c2h
n1 3334 cm-1 (a1) CH stretch
n2 2918 cm-1 (a1) CH3 stretch
n3 2142 cm-1 (a1) CC stretch
n4 1382 cm-1 (a1) CH3 deform
n5 931 cm-1 (a1) CC stretch
n6 3008 cm-1 (e) CH3 stretch
n7 1452 cm-1 (e) CH3 deform
n8 1053 cm-1 (e) CH3 rock
n9 633 cm-1 (e) CH bend
n10 328 cm-1 (e) CCC bend

List of available data for all molecules in database
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