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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pCVDZ
 hartrees
Energy at 0K-438.058120
Energy at 298.15K-438.062003
HF Energy-437.725769
Nuclear repulsion energy55.761969
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 QCISD(T)/cc-pCVDZ
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' 3164 3164        
2 A' 3061 3061        
3 A' 2718 2718        
4 A' 1480 1480        
5 A' 1354 1354        
6 A' 1096 1096        
7 A' 796 796        
8 A' 717 717        
9 A" 3160 3160        
10 A" 1468 1468        
11 A" 971 971        
12 A" 252 252        

Unscaled Zero Point Vibrational Energy (zpe) 10117.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10117.6 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 QCISD(T)/cc-pCVDZ
ABC
3.36241 0.42305 0.40558

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pCVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.672 0.000
H3 1.296 -0.819 0.000
H4 -1.108 1.471 0.000
H5 0.437 1.567 0.904
H6 0.437 1.567 -0.904

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83422.39411.10401.10361.1036
S21.83421.35262.39142.46332.4633
H32.39411.35263.32062.69202.6920
H41.10402.39143.32061.79331.7933
H51.10362.46332.69201.79331.8088
H61.10362.46332.69201.79331.8088

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.219 S2 C1 H4 106.279
S2 C1 H5 111.524 S2 C1 H6 111.524
H4 C1 H5 108.645 H4 C1 H6 108.645
H5 C1 H6 110.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability