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 S (kcal/mol)

(Home Accuracy Manual)

Empirical

Name

Expt.

PM7

PM6-D3H4

PM6

PM6-DH2X

PM6-DH+

RM1

CH2S Thioformaldehyde

24.30

9.61

14.80

13.29

13.29

13.29

3.01

CH3S Methanethio radical

34.20

-8.11

-2.38

-7.43

-7.44

-7.44

-11.45

CH4S Thiomethanol

-5.40

0.21

7.06

2.04

2.01

2.01

-0.53

C2H3S C2H3S

53.00

-8.70

-7.14

-8.52

-8.61

-8.61

-10.91

C2H4S Thiirane

19.70

3.94

8.44

5.36

5.32

5.32

1.39

C2H6S Dimethyl thioether

-8.90

1.54

13.44

3.68

3.48

3.48

-6.36

C2H6S Thioethanol

-11.00

0.26

7.58

0.78

0.60

0.60

1.52

C3H6S Thietane

4.40

1.41

5.28

0.35

0.14

0.14

-3.28

C3H8S 1-Propanthiol

-16.20

0.42

9.30

0.93

0.52

0.52

1.73

C3H8S Isopropanthiol

-18.10

0.03

8.84

-1.26

-1.71

-1.71

2.63

C3H8S Methylethylthioether

-14.20

1.35

13.88

2.34

1.97

1.97

-4.49

C4H4S Thiophene

27.60

2.04

2.49

3.00

2.62

2.62

2.02

C4H6S 2,3-Dihydrothiophene

21.80

-9.33

-7.41

-10.26

-10.76

-10.76

-12.10

C4H6S 2,5-Dihydrothiophene

20.90

-7.62

-7.09

-9.65

-10.12

-10.12

-12.31

C4H8S cis Dimethylthiirane

2.70

4.91

13.62

3.86

3.20

3.19

5.06

C4H8S Tetrahydrothiophene

-8.10

-2.16

2.19

-4.15

-4.75

-4.75

-7.99

C4H8S trans dimethylthiirane

0.90

5.69

14.44

4.69

4.10

4.10

6.09

C4H10S Butanethiol

-21.10

0.29

10.79

0.87

0.21

0.21

1.64

C4H10S Diethyl thioether

-19.89

0.11

14.02

0.65

-0.14

-0.14

-3.12

C4H10S Methylpropylthioether

-19.50

1.65

15.69

2.62

2.00

2.00

-4.18

C5H10S Cyclopentanthiol

-11.40

-4.93

-1.34

-7.48

-8.61

-8.68

-4.67

C5H10S Thiacyclohexane

-15.12

-0.79

5.10

-2.71

-3.73

-3.73

-6.06

C6H6S Thiophenol

26.90

-3.80

-3.78

-2.84

-3.96

-3.96

1.33

C6H12S Cyclohexanethiol

-22.96

-0.68

4.05

-3.39

-4.86

-4.86

-1.60

C6H14S 2,3-Dimethyl-2-butanethiol

-35.34

2.09

18.37

-1.45

-3.35

-3.35

4.63

C6H14S 2-Methyl-2-pentanethiol

-35.37

0.72

15.54

-2.45

-4.10

-4.10

4.30

C6H14S Butyl ethyl sulfide

-30.30

1.92

18.14

1.78

0.71

0.71

-1.80

C6H14S Methyl pentyl sulfide

-29.10

1.16

18.42

2.25

1.13

1.13

-4.57

C7H8S Methyl phenyl sulfide

23.25

-2.10

3.36

-0.39

-1.82

-1.82

-3.51

C7H8S Toluenethiol

23.60

-3.33

-2.46

-2.71

-4.32

-4.32

-0.97

C7H14S 3(tert-Butyl)-1-propene

-11.10

-0.13

13.50

-3.72

-5.60

-5.61

0.79

C7H16S 1-Heptanethiol

-35.73

-0.30

15.08

0.51

-0.89

-0.89

1.29

C8H10S Benzyl methyl sulfide

19.00

-0.98

5.00

0.06

-1.80

-1.80

-5.71

C8H10S Ethyl phenyl sulfide

18.40

-2.68

3.21

-2.28

-3.94

-3.94

-1.76

C8H18S Di-tert-butyl sulfide

-45.05

-1.15

21.27

-8.11

-11.02

-11.02

2.28

C8H18S Diisobutyl sulfide

-42.90

3.81

25.22

2.77

0.74

0.74

-0.56

C12H10S Diphenyl sulfide

55.30

-1.10

-7.39

-1.28

-4.32

-4.32

-1.32

CH4S2 CH3SSH

-0.90

-1.42

3.63

-1.15

-1.36

-1.36

-1.43

C2H6S2 (CH3)2S=S

4.00

-1.18

8.44

-1.30

-1.72

-1.72

0.66

C2H6S2 1,2-Ethanedithiol

-2.30

-0.28

1.40

-1.49

-1.88

-1.88

1.39

C2H6S2 2,3-Dithiabutane

-5.60

-0.99

9.59

0.10

-0.37

-0.37

-5.80

C2H6S2 CH3SCH2SH

0.10

-0.83

8.70

2.58

2.13

2.13

-6.74

C2H6S2 Ethanedithiol-1,2

-2.20

-0.38

1.31

-1.58

-1.98

-1.98

1.30

C3H8S2 Propane-1,3-dithiol

-7.00

-0.54

2.73

-1.61

-2.25

-2.25

1.32

C4H10S2 (C2H5S)2

-17.80

0.04

11.54

-1.42

-2.30

-2.30

-0.78

C4H10S2 1,4-Butanedithiol

-12.00

-0.99

3.77

-2.12

-3.00

-3.00

0.89

C6H14S2 3,6-Dithiaoctane

-19.83

1.75

14.68

-1.10

-2.31

-2.31

-6.71

C6H14S2 Dipropyl disulfide

-28.04

0.34

14.96

-1.04

-2.46

-2.46

-0.39

C6H14S2 Ethyl tert-butyl disulfide

-32.80

-0.08

15.90

-4.68

-6.71

-6.71

2.26

C7H16S2 Isopropyl tert-butyl disulfide

-39.90

-0.26

17.41

-6.21

-8.80

-8.80

4.03

C8H18S2 Di-tert-butyl disulfide

-47.80

0.32

20.91

-7.22

-10.47

-10.47

5.82

C8H18S2 Dibutyldisulfide

-37.85

0.03

17.86

-1.23

-3.16

-3.16

-0.60

C12H10S2 Diphenyl disulfide

58.20

-8.42

-11.97

-7.85

-11.95

-12.42

0.34

C2H6S3 2,3,4-Trithiapentane

-3.00

-3.50

6.97

-2.26

-3.08

-3.08

-6.75

C3H2S3 1,3-Dithiol-2-thione

60.50

-10.18

-2.59

-2.09

-2.65

-2.64

-14.74

C3H4S3 1,3-Dithiolan-2-thione

22.70

9.24

17.92

15.20

14.55

14.55

0.86

C7H4S3 1,3-Benzodithiole-2-thione

57.84

1.24

7.60

9.30

7.35

7.34

0.00

C7H4S3 3H-1,2-Benzodithiole-3-thione

60.00

0.90

-2.74

-0.91

-3.05

-3.05

0.43

C7H8S3 4,5-Tetramethylene-1,3-dithiol-2-thione

29.54

0.45

10.64

5.81

3.70

3.70

-1.64