In database:

550-6500 cm-1

Chlorosulfonyl isocyanate (CSI) (ClSO₂NCO)
141.529 g/mole
Freezing point -44 C
Boiling point 107 C

Infrared cross-sections from PNNL
FTIR infrared cross-sections from 550 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 wavenumbers
Images of PNNL data in microns

Additional References
Vibrational spectra, conformational stability and ab initio calculations of chlorosulfonyl isocyanate; J. Durig, L. Zhou, T.K. Gounev and G. Guirgis; Spec.Acta A 53:1581-1593 (1997).
Figure 1 shown to the right.
Figures 2,3,4 showing regions from 100 to 2500 cm^-1

Notes
Fundamental frequencies from Durig et al.
v₁ NCO anti-symmetric stretch 2257 cm^-1
v₂ SO₂ anti-symmetric stretch 1440 cm^-1
v₃ NCO symmetric stretch 1361 cm^-1
v₄ SO₂ symmetric stretch 1202 cm^-1
v₅ SN stretch 749 cm^-1
v₆ NCO bend/SO₂ wag 638 cm^-1
v₇ NCO bend (out of plane) 610 cm^-1
v₈ SO₂ deformation/NCO bend 595 cm^-1
v₉ SO₂ wag/SO₂ deformation 479 cm^-1
v₁₀ SO₂ rock 433 cm^-1
v₁₁ SCl stretch 401 cm^-1
v₁₂ SO₂ twist 297 cm^-1
v₁₃ ClSN bend 278 cm^-1
v₁₄ CNS bend 114 cm^-1
v₁₅ NCO torsion 46 cm^-1









List of available data for all molecules in database
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