Mechanism listing (CB4) for Sample Run (Durham, NC)


(Note: an additional reading on the structure of the mechanism input files is available.


    number of reactions    =   89           reference temperature =  298.15 k
    number of hv reactions =   12           reference pressure    =  0.967 atm.
    number of species      =   40

                                                                 rate constant 
rxn     reactants                         products              (ppm-min units)
_______________________________________________________________________________
  1 no2                --hv-->        no   +       o                 1.000E+00
  2 o                  ------>        o3                             4.315E+06
  3 o3   + no          ------>        no2                            2.670E+01
  4 o    + no2         ------>        no                             1.375E+04
  5 o    + no2         ------>        no3                            2.307E+03
  6 o    + no          ------>        no2                            2.435E+03
  7 o3   + no2         ------>        no3                            4.751E-02
  8 o3                 --hv-->        o                              1.000E-03
  9 o3                 --hv-->        o1d                            1.000E-03
 10 o1d                ------>        o                              4.370E+10
 11 h2o  + o1d         ------>  2.000*oh                             3.250E+05
 12 o3   + oh          ------>        ho2                            1.002E+02
 13 o3   + ho2         ------>        oh                             3.002E+00
 14 no3                --hv-->        no2  +       o                 1.000E+00
 15 no3  + no          ------>  2.000*no2                            4.415E+04
 16 no3  + no2         ------>        no   +       no2               5.913E-01
 17 no3  + no2         ------>        n2o5                           1.852E+03
 18 n2o5 + h2o         ------>  2.000*hno3                           1.900E-06
 19 n2o5               ------>        no3  +       no2               2.827E+00
 20 no   + no          ------>  2.000*no2  + 2.000*ox                1.538E-04
 21 no   + no2  + h2o  ------>  2.000*hono                           1.600E-11
 22 oh   + no          ------>        hono                           9.785E+03
 23 hono               --hv-->        oh   +       no                1.710E-01
 24 oh   + hono        ------>        no2  +       ox                9.770E+03
 25 hono + hono        ------>        no   +       no2  +       ox   1.500E-05
 26 oh   + no2         ------>        hno3                           1.680E+04
 27 oh   + hno3        ------>        no3  +       ox                2.175E+02
 28 ho2  + no          ------>        oh   +       no2  +       ox   1.226E+04
 29 ho2  + no2         ------>        pna                            2.022E+03
 30 pna                ------>        ho2  +       no2               5.203E+00
 31 oh   + pna         ------>        no2                            6.829E+03
 32 ho2  + ho2         ------>        h2o2                           4.136E+03
 33 ho2  + ho2  + h2o  ------>        h2o2                           2.160E-01
 34 h2o2               --hv-->  2.000*oh                             1.000E-03
 35 oh   + h2o2        ------>        ho2                            2.521E+03
 36 oh   + co          ------>        ho2                            3.220E+02
 37 form + oh          ------>        ho2  +       co                1.500E+04
 38 form               --hv-->  2.000*ho2  +       co                1.000E-03
 39 form               --hv-->        co                             1.000E-03
 40 form + o           ------>        oh   +       ho2  +       co   2.376E+02
 41 form + no3         ------>        hno3 +       ho2  +       co   9.300E-01
 42 ald2 + o           ------>        c2o3 +       oh                6.369E+02
 43 ald2 + oh          ------>        c2o3                           2.398E+04
 44 ald2 + no3         ------>        c2o3 +       hno3              3.700E+00
 45 ald2               --hv-->        xo2  + 2.000*ho2  +       co  
                              +       form                           1.000E-03
 46 c2o3 + no          ------>        no2  +       xo2  +       form
                              +       ho2  +       ox                1.831E+04
 47 c2o3 + no2         ------>        pan                            1.212E+04
 48 pan                ------>        c2o3 +       no2               2.273E-02
 49 c2o3 + c2o3        ------>  2.000*xo2  + 2.000*form + 2.000*ho2  3.700E+03
 50 c2o3 + ho2         ------>  0.790*form + 0.790*xo2  + 0.790*ho2 
                              + 0.790*oh                             9.600E+03
 51 oh                 ------>        xo2  +       form +       ho2  1.765E+01
 52 par  + oh          ------>  0.870*xo2  + 0.130*xo2n + 0.110*ho2 
                              + 0.110*ald2 + 0.760*ror  - 0.110*par  1.203E+03
 53 ror                ------>  1.100*ald2 + 0.960*xo2  + 0.940*ho2 
                              - 2.100*par  + 0.040*xo2n + 0.020*ror  1.389E+05
 54 ror                ------>        ho2                            9.545E+04
 55 ror  + no2         ------>        orni                           2.200E+04
 56 o    + ole         ------>  0.630*ald2 + 0.380*ho2  + 0.280*xo2 
                              + 0.300*co   + 0.200*form + 0.020*xo2n
                              + 0.220*par  + 0.200*oh                5.923E+03
 57 oh   + ole         ------>        form +       ald2 +       xo2 
                              +       ho2  -       par               4.196E+04
 58 o3   + ole         ------>  0.500*ald2 + 0.740*form + 0.330*co  
                              + 0.440*ho2  + 0.220*xo2  + 0.100*oh  
                              -       par                            1.806E-02
 59 no3  + ole         ------>  0.910*xo2  + 0.090*xo2n +       form
                              +       ald2 -       par  +       no2  1.135E+01
 60 o    + eth         ------>        form + 0.700*xo2  +       co  
                              + 1.700*ho2  + 0.300*oh                1.081E+03
 61 oh   + eth         ------>        xo2  + 1.560*form +       ho2 
                              + 0.220*ald2                           1.191E+04
 62 o3   + eth         ------>        form + 0.420*co   + 0.120*ho2  2.712E-03
 63 oh   + tol         ------>  0.080*xo2  + 0.360*cres + 0.440*ho2 
                              + 0.560*to2                            9.146E+03
 64 to2  + no          ------>  0.900*no2  + 0.900*ho2  + 0.900*open
                              + 0.100*orni + 0.900*ox                1.200E+04
 65 to2                ------>        cres +       ho2               2.500E+02
 66 oh   + cres        ------>  0.400*cro  + 0.600*xo2  + 0.600*ho2 
                              + 0.300*open                           6.100E+04
 67 no3  + cres        ------>        cro  +       hno3              3.250E+04
 68 cro  + no2         ------>        orni                           2.000E+04
 69 open               --hv-->        c2o3 +       ho2  +       co   9.380E-04
 70 open + oh          ------>        xo2  + 2.000*co   + 2.000*ho2 
                              +       c2o3 +       form              4.400E+04
 71 open + o3          ------>  0.030*ald2 + 0.620*c2o3 + 0.700*form
                              + 0.030*xo2  + 0.690*co   + 0.080*oh  
                              + 0.760*ho2  + 0.200*mgly              1.501E-02
 72 oh   + xyl         ------>  0.700*ho2  + 0.500*xo2  + 0.200*cres
                              + 0.800*mgly + 1.100*par  + 0.300*to2  3.620E+04
 73 oh   + mgly        ------>        xo2  +       c2o3              2.600E+04
 74 mgly               --hv-->        c2o3 +       ho2  +       co   1.000E-03
 75 o    + isop        ------>  0.600*ho2  + 0.800*ald2 + 0.550*ole 
                              + 0.500*xo2  + 0.500*co   + 0.450*eth 
                              + 0.900*par                            2.700E+04
 76 oh   + isop        ------>        xo2  +       form + 0.670*ho2 
                              + 0.130*xo2n +       eth  + 0.400*mgly
                              + 0.200*c2o3 + 0.200*ald2              1.420E+05
 77 o3   + isop        ------>        form + 0.400*ald2 + 0.550*eth 
                              + 0.200*mgly + 0.100*par  + 0.060*co  
                              + 0.440*ho2  + 0.100*oh                1.800E-02
 78 no3  + isop        ------>        xo2n +       orni              4.700E+02
 79 xo2  + no          ------>        no2  +       ox                1.200E+04
 80 xo2  + xo2         ------>                                       1.996E+03
 81 xo2n + no          ------>        orni                           1.000E+03
 82 nr                 ------>        nr                             1.000E+00
 83 apin               ------>  7.000*par  + 0.750*ald2 + 0.750*ole  1.000E+10
 84 unkn               ------>  7.500*par  + 0.875*ald2 + 0.375*ole  1.000E+10
 85 no3                --hv-->        no                             1.000E+00
 86 o    + dien        ------>  0.600*ho2  + 0.800*ald2 + 0.550*ole 
                              + 0.500*xo2  + 0.500*co   + 0.450*eth 
                              + 0.900*par                            2.700E+04
 87 oh   + dien        ------>        xo2  +       form + 0.670*ho2 
                              + 0.130*xo2n +       eth  + 0.400*mgly
                              + 0.200*c2o3 + 0.200*ald2              1.420E+05
 88 o3   + dien        ------>        form + 0.400*ald2 + 0.550*eth 
                              + 0.200*mgly + 0.100*par  + 0.060*co  
                              + 0.440*ho2  + 0.100*oh                1.800E-02
 89 no3  + dien        ------>        xo2n +       orni              4.700E+02

kinetic expressions

        units are: 1/(ppm-min)      
        falloff units are always cm**3/(molec-sec)

        pressure used is   0.967 atmospheres.
        this will affect rates for falloff and some special reactions.

            k(  1) =  1.000E+00
                         reaction   1 uses absolute light table  1.
            k(  2) =  8.383E+04 * exp(  1175.0/t)
            k(  3) =  2.643E+03 * exp( -1370.0/t)
            k(  4) =  1.375E+04
            k(  5) =  2.303E+02 * exp(   687.0/t)
            k(  6) =  3.233E+02 * exp(   602.0/t)
            k(  7) =  1.760E+02 * exp( -2450.0/t)
            k(  8) =  1.000E-03
                         reaction   8 uses absolute light table  5.
            k(  9) =  1.000E-03
                         reaction   9 uses absolute light table  4.
            k( 10) =  2.864E+10 * exp(   126.0/t)
            k( 11) =  3.250E+05
            k( 12) =  2.344E+03 * exp(  -940.0/t)
            k( 13) =  2.100E+01 * exp(  -580.0/t)
            k( 14) =  1.000E+00
                         reaction  14 uses absolute light table  3.
            k( 15) =  1.909E+04 * exp(   250.0/t)
            k( 16) =  3.660E+01 * exp( -1230.0/t)
            k( 17) =  7.849E+02 * exp(   256.0/t)
            k( 18) =  1.900E-06
            k( 19) =  2.110E+16 * exp(-10897.0/t)
            k( 20) =  2.600E-05 * exp(   530.0/t)
            k( 21) =  1.600E-11
            k( 22) =  6.554E+02 * exp(   806.0/t)
            k( 23) =  1.710E-01
                         reaction  23 uses absolute light table  1.
            k( 24) =  9.770E+03
            k( 25) =  1.500E-05
            k( 26) =  1.537E+03 * exp(   713.0/t)
            k( 27) =  7.600E+00 * exp(  1000.0/t)
            k( 28) =  5.482E+03 * exp(   240.0/t)
            k( 29) =  1.640E+02 * exp(   749.0/t)
            k( 30) =  2.876E+15 * exp(-10121.0/t)
            k( 31) =  1.909E+03 * exp(   380.0/t)
            k( 32) =  8.739E+01 * exp(  1150.0/t)
            k( 33) =  7.690E-10 * exp(  5800.0/t)
            k( 34) =  1.000E-03
                         reaction  34 uses absolute light table  6.
            k( 35) =  4.720E+03 * exp(  -187.0/t)
            k( 36) =  3.220E+02
            k( 37) =  1.500E+04
            k( 38) =  1.000E-03
                         reaction  38 uses absolute light table  7.
            k( 39) =  1.000E-03
                         reaction  39 uses absolute light table  8.
            k( 40) =  4.302E+04 * exp( -1550.0/t)
            k( 41) =  9.300E-01
            k( 42) =  1.739E+04 * exp(  -986.0/t)
            k( 43) =  1.037E+04 * exp(   250.0/t)
            k( 44) =  3.700E+00
            k( 45) =  1.000E-03
                         reaction  45 uses absolute light table  9.
            k( 46) =  7.915E+03 * exp(   250.0/t)
            k( 47) =  1.180E-04 * exp(  5500.0/t)
            k( 48) =  5.616E+18 * exp(-14000.0/t)
            k( 49) =  3.700E+03
            k( 50) =  9.600E+03
            k( 51) =  7.774E+03 * exp( -1815.0/t)
            k( 52) =  1.203E+03
            k( 53) =  6.250E+16 * exp( -8000.0/t)
            k( 54) =  9.545E+04
            k( 55) =  2.200E+04
            k( 56) =  1.756E+04 * exp(  -324.0/t)
            k( 57) =  7.740E+03 * exp(   504.0/t)
            k( 58) =  2.104E+01 * exp( -2105.0/t)
            k( 59) =  1.135E+01
            k( 60) =  1.540E+04 * exp(  -792.0/t)
            k( 61) =  3.000E+03 * exp(   411.0/t)
            k( 62) =  1.856E+01 * exp( -2633.0/t)
            k( 63) =  3.106E+03 * exp(   322.0/t)
            k( 64) =  1.200E+04
            k( 65) =  2.500E+02
            k( 66) =  6.100E+04
            k( 67) =  3.250E+04
            k( 68) =  2.000E+04
            k( 69) =  9.380E-04
                         reaction  69 uses absolute light table 15.
            k( 70) =  4.400E+04
            k( 71) =  8.030E-02 * exp(  -500.0/t)
            k( 72) =  2.453E+04 * exp(   116.0/t)
            k( 73) =  2.600E+04
            k( 74) =  1.000E-03
                         reaction  74 uses absolute light table 15.
            k( 75) =  2.700E+04
            k( 76) =  1.420E+05
            k( 77) =  1.800E-02
            k( 78) =  4.700E+02
            k( 79) =  1.200E+04
            k( 80) =  2.550E+01 * exp(  1300.0/t)
            k( 81) =  1.000E+03
            k( 82) =  1.000E+00
            k( 83) =  1.000E+10
            k( 84) =  1.000E+10
            k( 85) =  1.000E+00
                         reaction  85 uses absolute light table  2.
            k( 86) =  2.700E+04
            k( 87) =  1.420E+05
            k( 88) =  1.800E-02
            k( 89) =  4.700E+02


reference photolysis rates

        temperature is:  298.15 k
        pressure is:       1.00 atm.

Reaction Number Name 0 degrees 10 degrees 20 degrees 30 degrees 40 degrees 50 degrees 60 degrees 70 degrees 78 degrees 86 degrees
8 O3 3.32E-02 3.32E-02 3.28E-02 3.20E-02 3.07E-02 2.88E-02 2.56E-02 1.97E-02 1.29E-02 6.68E-03
9 O3 2.33E-03 2.26E-03 2.02E-03 1.64E-03 1.18E-03 6.95E-04 2.89E-04 5.82E-05 5.30E-06 1.00E-07
14 NO3 1.22E+01 1.22E+01 1.21E+01 1.19E+01 1.15E+01 1.10E+01 9.91E+00 7.62E+00 4.84E+00 2.08E+00
23 HONO 1.01E-01 1.00E-01 9.78E-02 9.32E-02 8.60E-02 7.50E-02 5.78E-02 3.26E-02 1.20E-02 5.99E-04
34 H2O2 4.74E-04 4.68E-04 4.45E-04 4.04E-04 3.46E-04 2.69E-04 1.74E-04 7.33E-05 1.80E-05 5.00E-07
38 FORM 2.08E-03 2.05E-03 1.94E-03 1.75E-03 1.47E-03 1.11E-03 6.82E-04 2.61E-04 5.64E-05 1.40E-06
39 FORM 2.94E-03 2.91E-03 2.79E-03 2.59E-03 2.28E-03 1.85E-03 1.27E-03 5.74E-04 1.53E-04 4.40E-06
45 ALD2 3.64E-04 3.57E-04 3.30E-04 2.86E-04 2.27E-04 1.57E-04 8.44E-05 2.64E-05 4.50E-06 1.00E-07
69 OPEN 9.83E-03 9.81E-03 9.65E-03 9.32E-03 8.82E-03 8.02E-03 6.67E-03 4.38E-03 2.10E-03 2.83E-04
74 MGLY 1.05E-02 1.05E-02 1.03E-02 9.94E-03 9.40E-03 8.55E-03 7.11E-03 4.66E-03 2.24E-03 3.02E-04
85 NO3 1.53E+00 1.54E+00 1.53E+00 1.50E+00 1.47E+00 1.41E+00 1.29E+00 1.02E+00 6.83E-01 3.49E-01


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