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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: MP3=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-474.624921
Energy at 298.15K 
HF Energy-474.346187
Nuclear repulsion energy104.770594
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 MP3=FULL/3-21G
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' 3146 3146 23.78      
2 A' 3128 3128 6.24      
3 A' 3079 3079 13.69      
4 A' 2425 2425 39.80      
5 A' 1595 1595 3.94      
6 A' 1571 1571 4.26      
7 A' 1499 1499 7.30      
8 A' 1359 1359 38.70      
9 A' 1132 1132 2.40      
10 A' 999 999 5.04      
11 A' 841 841 5.37      
12 A' 627 627 1.71      
13 A' 308 308 3.53      
14 A" 3190 3190 18.06      
15 A" 3149 3149 7.58      
16 A" 1588 1588 7.82      
17 A" 1338 1338 0.57      
18 A" 1084 1084 0.02      
19 A" 817 817 4.94      
20 A" 253 253 1.01      
21 A" 172 172 26.34      

Unscaled Zero Point Vibrational Energy (zpe) 16649.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16649.5 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 MP3=FULL/3-21G
ABC
0.91545 0.17178 0.15306

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.536 0.739 0.000
C2 0.000 0.879 0.000
S3 -0.761 -0.884 0.000
H4 1.998 1.733 0.000
H5 1.871 0.196 0.890
H6 1.871 0.196 -0.890
H7 -0.347 1.399 0.894
H8 -0.347 1.399 -0.894
H9 -2.081 -0.489 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.54202.81211.09631.09511.09512.18662.18663.8191
C21.54201.91982.17262.18172.18171.09131.09132.4900
S32.81211.91983.80242.98102.98102.48612.48611.3776
H41.09632.17263.80241.78071.78072.53192.53194.6444
H51.09512.18172.98101.78071.77962.52383.09074.1085
H61.09512.18172.98101.78071.77963.09072.52384.1085
H72.18661.09132.48612.53192.52383.09071.78862.7143
H82.18661.09132.48612.53193.09072.52381.78862.7143
H93.81912.49001.37764.64444.10854.10852.71432.7143

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.149 C1 C2 H7 111.118
C1 C2 H8 111.118 C2 C1 H4 109.716
C2 C1 H5 110.502 C2 C1 H6 110.502
C2 S3 H9 96.692 S3 C2 H7 108.136
S3 C2 H8 108.136 H4 C1 H5 108.695
H4 C1 H6 108.695 H5 C1 H6 108.683
H7 C2 H8 110.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability