** 3-Nitrooxy-2-butanone ** ;Barnes et al., J. Atmos. Chem. 17 (1993) 353 ;Temperature 298 K ;lambda sigma ;nm cm^-2^ ;------------------ 245.00 2.934E-19 250.00 2.114E-19 255.00 1.644E-19 260.00 1.424E-19 265.00 1.332E-19 270.00 1.298E-19 275.00 1.273E-19 280.00 1.229E-19 285.00 1.155E-19 290.00 1.036E-19 295.00 9.110E-20 300.00 7.360E-20 305.00 5.850E-20 310.00 4.180E-20 315.00 2.820E-20 320.00 1.850E-20 325.00 1.070E-20 330.00 6.800E-21 335.00 4.900E-21 340.00 4.400E-21