Accuracy

###
15 Vinyl

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###  |  |
# | Species | Formula
5 | Methylidyne | HC |
6 | Methylene, singlet (Geo) | CH2 |
7 | Methylene, triplet (Geo) | CH2 |
8 | Methylene, singlet | CH2 |
9 | Methyl, cation | CH3 |
10 | Methane (Geo) | CH4 |
11 | Methane | CH4 |
12 | Acetylene | C2H2 |
13 | Acetylene (Geo) | C2H2 |
14 | Vinyl, cation | C2H3 |
15 | Vinyl | C2H3 |
16 | Ethylene, cation | C2H4 |
17 | Ethylene (Geo) | C2H4 |
18 | Ethylene | C2H4 |
19 | Methylmethylene | C2H4 |
20 | Ethyl, cation | C2H5 |
21 | Ethyl radical | C2H5 |
22 | Ethane (Geo) | C2H6 |
23 | Carbon, trimer | C3 |
24 | Cyclopropenyl, cation | C3H3 |
25 | Propynyl, cation | C3H3 |

ΔHf: 59.6 kcal/mol

     OPEN(1,1)
    Vinyl
     H=59.6 HR=FPL1971
      C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
      C     1.29024755 +1    0.0000000 +0    0.0000000 +0     1     0     0
      H     1.03839811 +1  180.0000000 +0    0.0000000 +0     2     1     0
      H     1.08351083 +1  121.8719371 +1    3.5730206 +1     1     2     3
      H     1.08351083 +1  121.8719324 +1  179.9999902 +1     1     2     4