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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-438.067807
Energy at 298.15K-438.071649
HF Energy-437.729772
Nuclear repulsion energy55.718350
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 CCSD/aug-cc-pVDZ
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' 3161 3045 8.78      
2 A' 3066 2954 25.03      
3 A' 2708 2609 5.32      
4 A' 1477 1423 5.51      
5 A' 1354 1304 8.55      
6 A' 1096 1056 9.63      
7 A' 798 769 0.48      
8 A' 717 691 1.96      
9 A" 3163 3048 8.02      
10 A" 1466 1412 3.26      
11 A" 974 939 3.50      
12 A" 228 220 10.79      

Unscaled Zero Point Vibrational Energy (zpe) 10103.3 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9733.5 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 CCSD/aug-cc-pVDZ
ABC
3.36912 0.42164 0.40433

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.166 0.000
S2 -0.048 -0.673 0.000
H3 1.296 -0.831 0.000
H4 -1.105 1.475 0.000
H5 0.438 1.562 0.904
H6 0.438 1.562 -0.904

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83892.40721.10101.09971.0997
S21.83891.35362.39332.45872.4587
H32.40721.35363.32872.69732.6973
H41.10102.39333.32871.79041.7904
H51.09972.45872.69731.79041.8072
H61.09972.45872.69731.79041.8072

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.696 S2 C1 H4 106.264
S2 C1 H5 111.074 S2 C1 H6 111.074
H4 C1 H5 108.889 H4 C1 H6 108.889
H5 C1 H6 110.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability