t-pentanal -> R. + CHO.
Absorption cross sections : t-pentanal (Zhu 99)
Quantum yield : t-pentanal (Zhu 99)	     
       280  3.90E-20      0.18
       285  4.00E-20      0.33
       290  4.16E-20      0.46
       295  4.26E-20      0.57
       300  3.95E-20       0.7
       305  3.75E-20      0.92
       310  3.13E-20      0.79
       315  2.57E-20      0.92
       320  1.78E-20       0.7
       325  1.09E-20      0.74
       330  5.60E-21      0.66
       335  3.58E-21      0.66
       340  1.87E-21      0.66
       345  9.05E-22      0.66
       350  4.08E-22      0.66
       355  1.71E-22      0.66
       360  6.63E-23      0.66
       365  2.40E-23      0.66
       370  8.03E-24      0.66
       375  2.50E-24      0.66
       380  7.24E-25      0.66
       385  1.95E-25      0.66
       390  4.86E-26      0.66
