Open Access

Table A.2

Chemical reaction rates, cm,T

Atom cm,T
H 0.713
He 0.459
C 3.252
N 2.522
O 2.208
P 4.796
S 4.064
Ar 2.919

Diatomic cm,T

C2 4.061
CF+ 1.383
CH 3.190
CH+ 0.795
CN 3.881
CN 28.653
CO 3.476
CO+ 1.401
CP 5.960
CS 5.432
H2 1.000
HF 2.388
HS 4.271
N2 3.319
NH 2.740
NO 3.779
NO+ 1.316
NS 5.474
O2 3.699
OH 2.666
OH+ 0.809
PH 4.465
PN 5.570
PO 5.855
Molecule cm,T
S2 7.123
SO 5.300

Triatomic cm,T

C2H 4.987
C3 6.306
CCN 6.004
CCO 5.990
CH2 3.473
CNO 5.790
CO2 5.287
H2O 3.232
H2O+ 1.028
H2S 4.710
0.306
HCN 4.357
HCO 4.662
HCO+ 1.643
HNC 4.574
HNO 4.783
HO2 4.792
HOC+ 1.705
HPO 6.258
N2H+ 1.622
N2O 5.460
NH2 3.366
NO2 5.517
O3 5.734
OCN 5.625
OCS 7.049
PH2 4.887
SO2 6.986

4-atomic cm,T

C2H2 5.463
C2N2 7.237
C3N 7.753
C3N 35.329
C3O 8.028
C4 8.618
CH2O 5.212
CH3 3.906
CHNO 6.348
CO2H+ 2.713
H2CN 5.206
H2CS 7.162
H2O2 5.657
H3O+ 1.281
HC2O 6.741
HCCN 6.777
HCCO 6.820
HCNH+ 1.924
HCNO 6.692
HCNS 9.062
HNCO 6.345
HNCS 8.507
HOCO 6.558
HSCN 7.877
HSSH 8.610
NCSH 7.878
NH3 3.971
NO3 7.138
SO3 8.382
c-C3H 7.137
l-C3H 7.579
l-C3H+ 2.881

5-atomic cm,T

C2H2O 7.272
C2H3 6.257
C2HNO 8.029
C4H 9.160
C4H 47.898
C5 10.496
CH2NH 6.580
CH2OH 6.342
CH2PH 7.740
CH2SH 7.959
CH3O 5.522
CH3S 7.711
CH4 4.090
H2CCN 7.107
H2CCS 9.419
H2NCO+ 4.804
HC2NC 8.750
HC3N 8.461
HC3O 8.760
HCCCO 8.768
HCNCC 9.519
HCOOH 7.030
HNC3 9.371
N2H3 6.805
NCCNH+ 3.890
NH2CN 7.681
1.469
NHCNH 7.828
c-C3H2 7.969
l-C3H2 8.009

6-atomic cm,T

C2H4 6.552
C3H3 8.596
C4H2 10.103
C5H 11.728
C5N 11.910
C5N 41.216
CH2CCO 9.963
CH2NH2 7.559
CH3CN 7.360
CH3NC 7.644
CH3NCO 10.829
CH3NH 6.685
CH3OH 6.502
H2CCNH 8.355
HC2CHO 9.454
HC3NH+ 4.418
HCOCHO 8.916
HNCHCN 8.976
HNCHSH 9.831
N2H4 7.337
NC4N 11.206
NH2CHO 8.228
NH2CHS 10.516
c-H2C3O 9.600
l-HC4H 9.993
l-HC4N 11.367

7-atomic cm,T

C2H5 7.383
C6H 13.576
C6H 50.847
CH2CCH2 9.199
CH2CHCN 9.646
CH3C2H 8.860
CH3CHO 8.352
CH3CHS 10.436
CH3NH2 7.440
H2CCHOH 8.824
HC5N 12.515
c-C2H4O 10.563

8-atomic cm,T

C2H3NH2 10.056
C2H6 7.462
C3H5 9.836
C4H4 11.289
C6H2 14.753
C7H 16.800
CH2CCHCN 11.912
CH2CHCHO 10.575
CH2OHCHO 10.422
CH3C3N 11.691
CH3CHNH 9.417
CH3COCN 11.037
CH3COOH 10.210
CH3OCH2 9.636
HCOOCH3 10.238
NC6N 15.387
NH2CH2CN 10.308
l-HC6H 14.597

9-atomic cm,T

C2H5CN 10.534
C2H5OH 9.813
C4H5 12.083
C5H4 13.373
C8H 17.401
C8H 54.738
CH2CCCH2 14.448
CH3C4H 13.542
CH3CONH2 11.505
CH3NHCHO 11.590
CH3OCH3 9.817
HC7N 16.778
l-C3H6 10.079

10-atomic and more cm,T

C10H2 22.934
C2H5CHO 11.476
C2H5OCH3 13.377
C3H5CN 12.852
C3H7 10.849
C3H8 10.849
C4H10 14.267
C4H7 13.353
C4H8 14.267
C5H5 14.297
C5H6 14.750
C5H7 16.314
C5H8 15.996
C5H9 16.741
C6H4 15.829
C6H7 17.953
C6H8 18.079
C7H4 18.154
C7H7 22.830
C8H2 19.269
C8H6 21.514
CH2CHCHCH2 12.495
CH2OHCH2OH 12.313
CH3C5N 15.909
CH3C6H 18.239
CH3COCH3 11.656
CH3COOCH3 13.661
CH3OCH2OH 12.089
HC11N 25.198
HC9N 21.100
HCOOC2H5 13.549
R–CH3CHCH2O 11.925
S – CH3CHCH2O 11.925
c-C6H5CN 18.613
c-C6H6 17.007
i-C3H7CN 13.695
n-C3H7CN 13.813
C14H10 41.065
C5H10 16.887
C5H11 17.624
C5H12 17.702
C6H10 19.434
C6H11 20.318
C6H12 21.104
C6H13 22.204
C6H14 21.143
C6H9 19.272
C7H10 22.314
C7H8 20.136

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