For ketone without gammaH and without primary carbon in alpha of C=O  
                -> R. + RC(.)O
Absorption cross section : 2.4dimethyl3pentanone (Yujing 2000)
Quantum yield : 2-butanone (Raber 95) 0.34
       240  3.60E-21        0.34
       241  4.07E-21        0.34
       242  5.17E-21        0.34
       243  5.81E-21        0.34
       244  6.36E-21        0.34
       245  6.94E-21        0.34
       246  7.87E-21        0.34
       247  8.84E-21        0.34
       248  9.54E-21        0.34
       249  1.03E-20        0.34
       250  1.14E-20        0.34
       251  1.28E-20        0.34
       252  1.43E-20        0.34
       253  1.55E-20        0.34
       254  1.66E-20        0.34
       255  1.79E-20        0.34
       256  1.95E-20        0.34
       257  2.14E-20        0.34
       258  2.31E-20        0.34
       259  2.48E-20        0.34
       260  2.66E-20        0.34
       261  2.84E-20        0.34
       262  3.05E-20        0.34
       263  3.28E-20        0.34
       264  3.47E-20        0.34
       265  3.66E-20        0.34
       266  3.87E-20        0.34
       267  4.09E-20        0.34
       268  4.34E-20        0.34
       269  4.58E-20        0.34
       270  4.79E-20        0.34
       271  5.00E-20        0.34
       272  5.21E-20        0.34
       273  5.42E-20        0.34
       274  5.74E-20        0.34
       275  5.93E-20        0.34
       276  6.19E-20        0.34
       277  6.40E-20        0.34
       278  6.61E-20        0.34
       279  6.79E-20        0.34
       280  6.96E-20        0.34
       281  7.11E-20        0.34
       282  7.24E-20        0.34
       283  7.37E-20        0.34
       284  7.50E-20        0.34
       285  7.60E-20        0.34
       286  7.67E-20        0.34
       287  7.70E-20        0.34
       288  7.72E-20        0.34
       289  7.73E-20        0.34
       290  7.73E-20        0.34
       291  7.73E-20        0.34
       292  7.72E-20        0.34
       293  7.67E-20        0.34
       294  7.59E-20        0.34
       295  7.48E-20        0.34
       296  7.32E-20        0.34
       297  7.12E-20        0.34
       298  6.90E-20        0.34
       299  6.69E-20        0.34
       300  6.48E-20        0.34
       301  6.28E-20        0.34
       302  6.11E-20        0.34
       303  5.93E-20        0.34
       304  5.72E-20        0.34
       305  5.47E-20        0.34
       306  5.18E-20        0.34
       307  4.86E-20        0.34
       308  4.50E-20        0.34
       309  4.14E-20        0.34
       310  3.80E-20        0.34
       311  3.50E-20        0.34
       312  3.24E-20        0.34
       313  3.02E-20        0.34
       314  2.81E-20        0.34
       315  2.59E-20        0.34
       316  2.33E-20        0.34
       317  2.07E-20        0.34
       318  1.82E-20        0.34
       319  1.56E-20        0.34
       320  1.32E-20        0.34
       321  1.11E-20        0.34
       322  9.22E-21        0.34
       323  7.60E-21        0.34
       324  6.55E-21        0.34
       325  5.43E-21        0.34
       326  4.46E-21        0.34
       327  3.66E-21        0.34
       328  2.99E-21        0.34
       329  2.45E-21        0.34
       330  2.01E-21        0.34
       331  1.66E-21        0.34
       332  1.37E-21        0.34
       333  1.13E-21        0.34
       334  9.40E-22        0.34
       335  7.90E-22        0.34
       336  6.60E-22        0.34
       337  5.70E-22        0.34
       338  4.90E-22        0.34
       339  4.30E-22        0.34
       340  4.00E-22        0.34
       341  3.70E-22        0.34
       342  3.50E-22        0.34
       343  3.40E-22        0.34
       344  3.30E-22        0.34
       345  3.10E-22        0.34
       346  3.00E-22        0.34
       347  2.90E-22        0.34
       348  2.60E-22        0.34
       349  2.40E-22        0.34
       350  2.20E-22        0.34
       351  8.27E-23        0.34
       352  6.79E-23        0.34
       353  5.56E-23        0.34
       354  4.55E-23        0.34
       355  3.71E-23        0.34
       356  3.01E-23        0.34
       357  2.44E-23        0.34
       358  1.98E-23        0.34
       359  1.60E-23        0.34
       360  1.28E-23        0.34
       361  1.03E-23        0.34
       362  8.26E-24        0.34
       363  6.60E-24        0.34
       364  5.26E-24        0.34
       365  4.18E-24        0.34
       366  3.31E-24        0.34
       367  2.62E-24        0.34
       368  2.06E-24        0.34
       369  1.62E-24        0.34
       370  1.27E-24        0.34
