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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: G3MP2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
Energy calculated at G3MP2
 hartrees
Energy at 0K-477.405308
Energy at 298.15K-477.399572
HF Energy-476.735718
Nuclear repulsion energy107.597087
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 HF/6-31G*
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' 3279 3089 44.74      
2 A' 3248 3060 23.47      
3 A' 3212 3027 28.35      
4 A' 2909 2741 25.85      
5 A' 1649 1553 1.05      
6 A' 1640 1546 4.19      
7 A' 1566 1476 2.14      
8 A' 1451 1368 51.45      
9 A' 1218 1147 3.47      
10 A' 1066 1004 2.83      
11 A' 955 899 4.04      
12 A' 730 688 3.33      
13 A' 328 309 2.72      
14 A" 3305 3114 41.81      
15 A" 3278 3088 5.88      
16 A" 1639 1544 6.25      
17 A" 1392 1312 0.27      
18 A" 1155 1088 0.37      
19 A" 857 807 2.47      
20 A" 272 256 2.17      
21 A" 199 188 21.74      

Unscaled Zero Point Vibrational Energy (zpe) 17673.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16651.7 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 MP2=FULL/6-31G*
ABC
0.95845 0.18306 0.16311

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.513 0.677 0.000
C2 0.000 0.827 0.000
S3 -0.755 -0.831 0.000
H4 1.983 1.664 0.000
H5 1.852 0.135 0.886
H6 1.852 0.135 -0.886
H7 -0.324 1.376 0.887
H8 -0.324 1.376 -0.887
H9 -2.032 -0.415 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52032.72381.09321.09271.09272.15622.15623.7091
C21.52031.82252.15192.16652.16651.09231.09232.3817
S32.72381.82253.70442.91812.91812.41772.41771.3424
H41.09322.15193.70441.77221.77222.48802.48804.5209
H51.09272.16652.91811.77221.77262.50453.06894.0211
H61.09272.16652.91811.77221.77263.06892.50454.0211
H72.15621.09232.41772.48802.50453.06891.77482.6293
H82.15621.09232.41772.48803.06892.50451.77482.6293
H93.70912.38171.34244.52094.02114.02112.62932.6293

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.644 C1 C2 H7 110.283
C1 C2 H8 110.283 C2 C1 H4 109.844
C2 C1 H5 111.155 C2 C1 H6 111.155
C2 S3 H9 98.010 S3 C2 H7 109.099
S3 C2 H8 109.099 H4 C1 H5 108.146
H4 C1 H6 108.146 H5 C1 H6 108.291
H7 C2 H8 108.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability