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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-438.157520
Energy at 298.15K-438.161402
HF Energy-437.758614
Nuclear repulsion energy56.395095
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/cc-pCVTZ
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' 3165 3165 7.64      
2 A' 3077 3077 22.74      
3 A' 2734 2734 4.20      
4 A' 1510 1510 6.17      
5 A' 1379 1379 6.41      
6 A' 1113 1113 10.74      
7 A' 809 809 0.48      
8 A' 733 733 1.36      
9 A" 3168 3168 8.52      
10 A" 1496 1496 3.88      
11 A" 987 987 3.70      
12 A" 241 241 12.33      

Unscaled Zero Point Vibrational Energy (zpe) 10206.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10206.5 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 QCISD/cc-pCVTZ
ABC
3.45952 0.43174 0.41404

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.665 0.000
H3 1.279 -0.824 0.000
H4 -1.092 1.458 0.000
H5 0.432 1.547 0.892
H6 0.432 1.547 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81642.38001.08791.08651.0865
S21.81641.33632.36542.43212.4321
H32.38001.33633.29062.67102.6710
H41.08792.36543.29061.76711.7671
H51.08652.43212.67101.76711.7831
H61.08652.43212.67101.76711.7831

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.854 S2 C1 H4 106.346
S2 C1 H5 111.317 S2 C1 H6 111.317
H4 C1 H5 108.720 H4 C1 H6 108.720
H5 C1 H6 110.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability