In database:
300-400 nm
Dinitrogen trioxide (N2O3)
Molecular weight
Freezing point
Boiling point

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

Additional References
Molecular Beam Diode-Laser Spectrum of the n3 Band of N2O3 at 1304 cm-1; A.M. Andrews, J.L. Domenech, G.T. Fraser, and W.J. Lafferty; J.Mol.Spec. 163:428-435 (1994).
Paper gives list of frequencies (no intensities) from 1299 to 1309 cm-1.

Notes n2o3
Fundamental frequencies from NIST Chemistry Webbook
n1 1830 cm-1 (a') N=O stretch
n2 1652 cm-1 (a') NO2 a-stretch
n3 1304 cm-1 (a') NO2 s-stretch
n4 773 cm-1 (a') NO2 deform
n5 414 cm-1 (a') NO2 rock
n6 241 cm-1 (a') N-N stretch
n7 205 cm-1 (a') NO2 wag
n8 627 cm-1 (a) NNO2 OPLA
n9 63 cm-1 (a) torsion

List of available data for all molecules in database
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