return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(TQ)/cc-pVDZ

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(TQ)/cc-pVDZ
 hartrees
Energy at 0K-438.056209
Energy at 298.15K-438.060076
HF Energy-437.724860
Nuclear repulsion energy55.714251
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(TQ)/cc-pVDZ
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        
2 A' 3063 3063        
3 A' 2712 2712        
4 A' 1480 1480        
5 A' 1353 1353        
6 A' 1094 1094        
7 A' 795 795        
8 A' 714 714        
9 A" 3161 3161        
10 A" 1467 1467        
11 A" 970 970        
12 A" 251 251        

Unscaled Zero Point Vibrational Energy (zpe) 10112.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10112.8 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(TQ)/cc-pVDZ
ABC
3.35945 0.42216 0.40473

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.163 0.000
S2 -0.048 -0.673 0.000
H3 1.298 -0.819 0.000
H4 -1.108 1.473 0.000
H5 0.438 1.568 0.905
H6 0.438 1.568 -0.905

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83652.39631.10391.10351.1035
S21.83651.35392.39302.46472.4647
H32.39631.35393.32252.69322.6932
H41.10392.39303.32251.79351.7935
H51.10352.46472.69321.79351.8090
H61.10352.46472.69321.79351.8090

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.190 S2 C1 H4 106.257
S2 C1 H5 111.480 S2 C1 H6 111.480
H4 C1 H5 108.685 H4 C1 H6 108.685
H5 C1 H6 110.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability