In database:
530-6500 cm-1
160-240 nm
1,3-Butadiene (CH2CHCHCH2)
Molecular weight 54.0914
Freezing point: -108.9 C
Boiling point: -4.5 C

Infrared cross-sections from PNNL
FTIR infrared cross-sections from 530 to 6500 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 cm2/molecule vs. wavenumbers
Images of PNNL data in cm2/molecule vs. microns

UV cross-sections
Please see The MPI-Mainz UV/VIS Spectral Atlas

Additional References
Rotational Analysis of Several Bands in the High-Resolution Infrared Spectrum of Butadiene-1-13C1: Assignment of Vibrational Fundamentals; N.C. Craig, K.A. Hanson, M.C. Moore, and R.L. Sams; J. Mol. Struct. 742:21-29 (2005).

Analysis of the Rotational Structure in Bands in the High Resolution Infrared Spectra of Butadiene and Butadiene-2,3-d2: Refinement in Assignments of Fundamentals; N.C. Craig, J.L. Davis, K.A. Hanson, M.C. Moore, K.J. Weidenbaum, and M. Lock; J. Mol. Struct. 695-696:59-69 (2004).

Vibrational bands from NIST Chemistry Webbook and Craig et al. (shown as NIST/Craig below)
n1 3087/3100.3 cm-1 (ag) CH2 a-stretch
n2 3003/ cm-1 (ag) CH stretch
n3 2992/3013.0 cm-1 (ag) CH2 s-stretch
n4 1630/1643.9 cm-1 (ag) C=C stretch
n5 1438/1440.8 cm-1 (ag) CH2 scissor
n6 1280/1291 cm-1 (ag) CH bend
n7 1196/1203.0 cm-1 (ag) C-C stretch
n8 894/887.8 cm-1 (ag) CH2 rock
n9 512/211.6 cm-1 (ag) CCC deform
n10 1013/1013.8 cm-1 (au) CH bend
n11 908/908.0 cm-1 (au) CH2 wag
n12 522/524.5 cm-1 (au) CH2 twist
n13 162/162.5 cm-1 (au) C-C torsion
n14 976/965.4 cm-1 (bg) CH bend
n15 912/908.0 cm-1 (bg) CH2 wag
n16 770/751.9 cm-1 (bg) CH2 twist
n17 3101/3100.5 cm-1 (bu) CH2 a-stretch
n18 3055/3035 cm-1 (bu) CH stretch
n19 2984/3011 cm-1 (bu) CH2 s-stretch
n20 1596/1596.446 cm-1 (bu) C=C stretch
n21 1381/1380.8 cm-1 (bu) CH2 scissor
n22 1294/1281 cm-1 (bu) CH bend
n23 990/990.2 cm-1 (bu) CH2 rock
n24 301/299 cm-1 (bu) CCC deform

List of available data for all molecules in database
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