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All results from a given calculation for CH3SH (Methanethiol)

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

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-pVTZ
 hartrees
Energy at 0K-438.169114
Energy at 298.15K-438.172967
HF Energy-437.756414
Nuclear repulsion energy56.177545
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-pVTZ
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' 3151 2989        
2 A' 3061 2903        
3 A' 2707 2568        
4 A' 1496 1419        
5 A' 1360 1290        
6 A' 1097 1040        
7 A' 797 756        
8 A' 718 681        
9 A" 3153 2991        
10 A" 1483 1407        
11 A" 975 925        
12 A" 235 223        

Unscaled Zero Point Vibrational Energy (zpe) 10117.0 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9597.0 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-pVTZ
ABC
3.44005 0.42790 0.41038

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.668 0.000
H3 1.284 -0.822 0.000
H4 -1.094 1.460 0.000
H5 0.432 1.552 0.894
H6 0.432 1.552 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82592.38641.08901.08791.0879
S21.82591.34112.37162.44042.4404
H32.38641.34113.29642.67582.6758
H41.08902.37163.29641.77061.7706
H51.08792.44042.67581.77061.7871
H61.08792.44042.67581.77061.7871

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.594 S2 C1 H4 106.124
S2 C1 H5 111.220 S2 C1 H6 111.220
H4 C1 H5 108.847 H4 C1 H6 108.847
H5 C1 H6 110.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability