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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCD/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pV(D+d)Z
 hartrees
Energy at 0K-438.051934
Energy at 298.15K 
HF Energy-437.729237
Nuclear repulsion energy56.074772
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 CCD/cc-pV(D+d)Z
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' 3186 3186 8.23      
2 A' 3085 3085 25.89      
3 A' 2757 2757 9.80      
4 A' 1493 1493 6.10      
5 A' 1374 1374 7.99      
6 A' 1114 1114 12.65      
7 A' 811 811 0.56      
8 A' 739 739 1.44      
9 A" 3183 3183 12.17      
10 A" 1479 1479 3.65      
11 A" 984 984 4.27      
12 A" 259 259 14.70      

Unscaled Zero Point Vibrational Energy (zpe) 10231.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10231.2 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 CCD/cc-pV(D+d)Z
ABC
3.38747 0.42859 0.41088

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pV(D+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.668 0.000
H3 1.289 -0.819 0.000
H4 -1.105 1.466 0.000
H5 0.436 1.560 0.902
H6 0.436 1.560 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82052.38221.10261.10201.1020
S21.82051.34542.38142.45162.4516
H32.38221.34543.30962.68312.6831
H41.10262.38143.30961.78861.7886
H51.10202.45162.68311.78861.8044
H61.10202.45162.68311.78861.8044

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.454 S2 C1 H4 106.514
S2 C1 H5 111.675 S2 C1 H6 111.675
H4 C1 H5 108.454 H4 C1 H6 108.454
H5 C1 H6 109.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability