return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-478.005709
Energy at 298.15K 
HF Energy-478.005709
Nuclear repulsion energy106.610652
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3052 3052 37.65      
2 A' 3000 3000 32.94      
3 A' 2984 2984 29.31      
4 A' 2574 2574 21.66      
5 A' 1496 1496 2.78      
6 A' 1476 1476 2.61      
7 A' 1401 1401 4.43      
8 A' 1292 1292 52.88      
9 A' 1100 1100 1.92      
10 A' 978 978 4.41      
11 A' 848 848 1.73      
12 A' 640 640 2.35      
13 A' 300 300 2.57      
14 A" 3067 3067 50.79      
15 A" 3041 3041 0.13      
16 A" 1486 1486 10.22      
17 A" 1260 1260 1.64      
18 A" 1040 1040 2.14      
19 A" 786 786 6.77      
20 A" 256 256 1.25      
21 A" 177 177 21.02      

Unscaled Zero Point Vibrational Energy (zpe) 16125.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16125.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/6-311G*
ABC
0.94734 0.17877 0.15946

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.521 0.704 0.000
C2 0.000 0.838 0.000
S3 -0.758 -0.850 0.000
H4 1.986 1.698 0.000
H5 1.874 0.166 0.888
H6 1.874 0.166 -0.888
H7 -0.339 1.380 0.890
H8 -0.339 1.380 -0.890
H9 -2.051 -0.439 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52712.75911.09761.09671.09672.17012.17013.7506
C21.52711.85052.16462.18002.18001.09571.09572.4159
S32.75911.85053.74532.95832.95832.43722.43721.3563
H41.09762.16463.74531.77461.77462.51012.51014.5680
H51.09672.18002.95831.77461.77622.52423.08754.0695
H61.09672.18002.95831.77461.77623.08752.52424.0695
H72.17011.09572.43722.51012.52423.08751.77992.6514
H82.17011.09572.43722.51013.08752.52421.77992.6514
H93.75062.41591.35634.56804.06954.06952.65142.6514

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.170 C1 C2 H7 110.586
C1 C2 H8 110.586 C2 C1 H4 110.041
C2 C1 H5 111.313 C2 C1 H6 111.313
C2 S3 H9 96.553 S3 C2 H7 108.919
S3 C2 H8 108.919 H4 C1 H5 107.947
H4 C1 H6 107.947 H5 C1 H6 108.150
H7 C2 H8 108.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.618      
2 C -0.529      
3 S -0.124      
4 H 0.214      
5 H 0.222      
6 H 0.222      
7 H 0.234      
8 H 0.234      
9 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.032 1.826 0.000 1.826
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.958 -0.242 0.000
y -0.242 -28.648 0.000
z 0.000 0.000 -29.463
Traceless
 xyz
x 4.097 -0.242 0.000
y -0.242 -1.437 0.000
z 0.000 0.000 -2.660
Polar
3z2-r2-5.320
x2-y23.690
xy-0.242
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.908 0.920 0.000
y 0.920 6.614 0.000
z 0.000 0.000 4.643


<r2> (average value of r2) Å2
<r2> 84.638
(<r2>)1/2 9.200

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-478.006802
Energy at 298.15K 
HF Energy-478.006802
Nuclear repulsion energy106.402228
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3069 3069 46.75 11.82 0.74 0.85
2 A 3047 3047 16.91 101.58 0.72 0.84
3 A 3035 3035 32.00 119.11 0.69 0.81
4 A 3004 3004 20.60 128.35 0.13 0.23
5 A 2973 2973 40.13 167.92 0.07 0.12
6 A 2571 2571 19.81 125.58 0.35 0.52
7 A 1490 1490 3.57 8.37 0.75 0.86
8 A 1482 1482 10.89 11.43 0.74 0.85
9 A 1467 1467 1.42 15.65 0.73 0.85
10 A 1397 1397 3.59 2.80 0.73 0.85
11 A 1296 1296 23.76 2.55 0.69 0.82
12 A 1270 1270 6.80 5.66 0.75 0.86
13 A 1114 1114 12.54 6.79 0.73 0.85
14 A 1054 1054 0.40 4.12 0.44 0.61
15 A 965 965 8.94 5.72 0.75 0.86
16 A 868 868 7.64 2.90 0.63 0.77
17 A 733 733 2.99 2.53 0.37 0.54
18 A 625 625 5.44 14.75 0.28 0.44
19 A 325 325 1.51 0.96 0.65 0.79
20 A 267 267 1.41 0.63 0.59 0.74
21 A 204 204 19.22 8.09 0.72 0.84

Unscaled Zero Point Vibrational Energy (zpe) 16126.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16126.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/6-311G*
ABC
0.95589 0.17293 0.15871

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.648 -0.353 -0.054
C2 0.505 0.648 0.091
S3 -1.173 -0.100 -0.081
H4 2.618 0.160 0.010
H5 1.617 -1.109 0.741
H6 1.595 -0.875 -1.016
H7 0.557 1.184 1.046
H8 0.541 1.401 -0.704
H9 -1.072 -0.929 0.988

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52602.83291.09941.09751.09582.18172.17382.9696
C21.52601.84572.17002.17812.17521.09591.09642.4041
S32.83291.84573.80163.07873.02302.43162.36271.3566
H41.09942.17003.80161.77421.78102.52312.52293.9702
H51.09752.17813.07871.77421.77252.54413.08992.7065
H61.09582.17523.02301.78101.77253.09262.52733.3368
H72.18171.09592.43162.52312.54413.09261.76372.6689
H82.17381.09642.36272.52293.08992.52731.76373.3013
H92.96962.40411.35663.97022.70653.33682.66893.3013

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 113.991 C1 C2 H7 111.584
C1 C2 H8 110.919 C2 C1 H4 110.439
C2 C1 H5 111.200 C2 C1 H6 111.065
C2 S3 H9 96.105 S3 C2 H7 108.824
S3 C2 H8 103.920 H4 C1 H5 107.724
H4 C1 H6 108.451 H5 C1 H6 107.838
H7 C2 H8 107.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.582      
2 C -0.555      
3 S -0.117      
4 H 0.204      
5 H 0.205      
6 H 0.226      
7 H 0.237      
8 H 0.237      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.658 0.078 0.810 1.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.634 1.483 -0.816
y 1.483 -27.488 -1.831
z -0.816 -1.831 -27.242
Traceless
 xyz
x -2.269 1.483 -0.816
y 1.483 0.950 -1.831
z -0.816 -1.831 1.319
Polar
3z2-r22.639
x2-y2-2.146
xy1.483
xz-0.816
yz-1.831


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.699 0.439 0.093
y 0.439 5.527 -0.381
z 0.093 -0.381 5.289


<r2> (average value of r2) Å2
<r2> 85.183
(<r2>)1/2 9.229