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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP4/aug-cc-pV(T+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 MP4/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.179858
Energy at 298.15K-438.183833
HF Energy-437.759656
Nuclear repulsion energy56.262178
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 MP4/aug-cc-pV(T+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' 3150 3150        
2 A' 3057 3057        
3 A' 2720 2720        
4 A' 1502 1502        
5 A' 1365 1365        
6 A' 1101 1101        
7 A' 802 802        
8 A' 719 719        
9 A" 3153 3153        
10 A" 1488 1488        
11 A" 981 981        
12 A" 232 232        

Unscaled Zero Point Vibrational Energy (zpe) 10134.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10134.1 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 MP4/aug-cc-pV(T+d)Z
ABC
3.43910 0.42964 0.41204

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.667 0.000
H3 1.282 -0.821 0.000
H4 -1.095 1.458 0.000
H5 0.433 1.547 0.895
H6 0.433 1.547 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82212.38251.09001.08861.0886
S21.82211.33852.36872.43552.4355
H32.38251.33853.29322.67022.6702
H41.09002.36873.29321.77321.7732
H51.08862.43552.67021.77321.7891
H61.08862.43552.67021.77321.7891

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.649 S2 C1 H4 106.114
S2 C1 H5 111.077 S2 C1 H6 111.077
H4 C1 H5 108.960 H4 C1 H6 108.960
H5 C1 H6 110.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability