Date: Thu Mar 11 09:02:28 2021

Errors in Heat of Formation

Errors in Calculated Heats of Formation for compounds containing the elements H C F (kcal/mol)

(Home Accuracy Manual)

Empirical

Name

Expt.

PM7

PM6-D3H4

PM6

PM6-DH2X

PM6-DH+

RM1

CH2F Fluoromethyl, cation

200.30

1.51

1.77

1.05

1.05

1.05

-12.24

CH3F Fluoromethane

-56.80

7.42

7.81

3.24

3.23

3.23

3.91

C2HF Fluoroacetylene

30.00

-6.48

-8.58

-8.55

-8.59

-8.59

-17.05

C2H3F Fluoroethylene

-32.50

0.23

0.62

-0.79

-0.85

-0.85

1.00

C2H4F CH3CHF, cation

166.00

-0.52

2.93

-2.10

-2.20

-2.20

-5.57

C2H5F Fluoroethane

-62.90

3.64

7.59

0.96

0.87

0.87

3.70

C3H7F 2-Fluoropropane

-69.40

-0.34

8.10

-1.93

-2.23

-2.23

2.46

C6H5F Fluorobenzene

-27.76

3.16

2.57

3.44

2.61

2.61

4.66

C6H11F Fluorocyclohexane

-80.45

6.09

10.43

2.85

1.68

1.67

5.14

C9H19F 1-Fluorononane

-101.20

6.66

22.21

4.59

2.86

2.86

6.92

CHF2 Difluoromethyl, cation

142.40

6.58

4.44

4.45

4.45

4.45

-10.23

CH2F2 Difluoromethane, cation

185.20

-7.51

-3.21

-12.14

-12.15

-12.15

-17.12

CH2F2 Difluoromethane

-108.13

10.05

4.57

3.39

3.38

3.38

4.14

C2H2F2 gem-Difluoroethylene

-80.50

6.92

3.76

3.87

3.76

3.76

5.19

C2H3F2 CH3CF2, cation

107.00

7.56

10.07

5.36

5.22

5.22

1.68

C2H4F2 1,1-Difluoroethane

-118.80

5.54

6.60

1.75

1.62

1.62

5.63

C6H4F2 1,2-Difluorobenzene

-67.65

-0.86

-1.62

-0.65

-1.60

-1.60

1.19

C6H4F2 1,3-Difluorobenzene

-73.90

2.43

0.30

1.44

0.50

0.50

5.09

C6H4F2 1,4-Difluorobenzene

-73.30

2.40

0.86

2.00

1.07

1.06

5.09

CHF3 Trifluoromethane, cation

151.90

-1.92

-7.03

-7.01

-7.02

-7.02

-9.92

CHF3 Trifluoromethane

-166.30

9.16

3.62

3.63

3.62

3.62

1.20

C2HF3 Trifluoroethylene

-117.30

-4.65

-7.93

-7.71

-7.87

-7.87

-7.76

C2H2F3 CF3CH2, cation

114.00

-0.43

-1.09

-1.70

-1.85

-1.85

-3.66

C2H2F3 CH2F.CF2, cation

81.00

9.09

4.62

3.43

3.24

3.24

0.36

C2H2F3 CF3CH2.

-123.60

-10.00

-13.14

-14.08

-14.23

-14.23

-15.16

C2H3F3 1,1,1-Trifluoroethane

-178.90

4.15

6.84

2.30

2.12

2.12

2.60

C7H5F3 (Trifluoromethyl)-benzene

-138.87

1.37

-1.91

-0.44

-1.89

-1.89

-2.51

C7H5F3 Trifluoromethylbenzene

-143.20

5.75

2.48

3.95

2.48

2.48

1.93

C6H2F4 1,2,4,5-Tetrafluorobenzene

-154.60

-2.23

-4.53

-3.19

-4.38

-4.38

1.40

C7H4F4 1-Fluoro-3-(trifluoro-methyl)benzene

-189.35

6.01

1.68

3.43

1.86

1.86

3.57

C6HF5 Pentafluorobenzene

-192.50

-4.41

-6.71

-5.43

-6.77

-6.77

-0.61

C7H3F5 2,3,4,5,6-Pentafluorotoluene

-201.60

-4.03

-0.94

-4.38

-6.18

-6.18

-0.38