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: ROHF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-311G*
 hartrees
Energy at 0K-476.772259
Energy at 298.15K 
HF Energy-476.772259
Nuclear repulsion energy107.581603
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 ROHF/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' 3250 2781 61.10      
2 A' 3224 2759 20.88      
3 A' 3187 2727 33.45      
4 A' 2827 2419 16.91      
5 A' 1637 1401 1.55      
6 A' 1629 1394 3.48      
7 A' 1552 1328 2.40      
8 A' 1444 1236 58.66      
9 A' 1211 1036 3.16      
10 A' 1059 906 2.63      
11 A' 946 809 3.55      
12 A' 721 617 3.76      
13 A' 327 280 2.51      
14 A" 3280 2806 50.89      
15 A" 3249 2780 9.22      
16 A" 1628 1393 8.00      
17 A" 1389 1188 1.10      
18 A" 1150 984 2.23      
19 A" 853 730 4.19      
20 A" 272 232 2.34      
21 A" 200 171 23.51      

Unscaled Zero Point Vibrational Energy (zpe) 17517.1 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 14987.6 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 ROHF/6-311G*
ABC
0.97272 0.18098 0.16168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.518 0.698 0.000
C2 0.000 0.825 0.000
S3 -0.757 -0.839 0.000
H4 1.973 1.683 0.000
H5 1.868 0.167 0.878
H6 1.868 0.167 -0.878
H7 -0.333 1.362 0.878
H8 -0.333 1.362 -0.878
H9 -2.034 -0.459 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52322.74531.08481.08401.08402.15372.15373.7350
C21.52321.82832.15082.16652.16651.08131.08132.4052
S32.74531.82833.71612.94532.94532.40682.40681.3317
H41.08482.15083.71611.75451.75452.48822.48824.5427
H51.08402.16652.94531.75451.75582.50493.05884.0480
H61.08402.16652.94531.75451.75583.05882.50494.0480
H72.15371.08132.40682.48822.50493.05881.75502.6412
H82.15371.08132.40682.48823.05882.50491.75502.6412
H93.73502.40521.33174.54274.04804.04802.64122.6412

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.660 C1 C2 H7 110.420
C1 C2 H8 110.420 C2 C1 H4 109.986
C2 C1 H5 111.288 C2 C1 H6 111.288
C2 S3 H9 97.894 S3 C2 H7 108.902
S3 C2 H8 108.902 H4 C1 H5 107.993
H4 C1 H6 107.993 H5 C1 H6 108.170
H7 C2 H8 108.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.624      
2 C -0.534      
3 S -0.117      
4 H 0.218      
5 H 0.225      
6 H 0.225      
7 H 0.237      
8 H 0.237      
9 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.050 1.923 0.000 1.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.161 -0.221 -0.003
y -0.221 -29.038 0.000
z -0.003 0.000 -29.667
Traceless
 xyz
x 4.191 -0.221 -0.003
y -0.221 -1.624 0.000
z -0.003 0.000 -2.567
Polar
3z2-r2-5.134
x2-y23.877
xy-0.221
xz-0.003
yz0.000


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


<r2> (average value of r2) Å2
<r2> 83.839
(<r2>)1/2 9.156