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: CCSD(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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-438.168950
Energy at 298.15K-438.172804
HF Energy-437.756420
Nuclear repulsion energy56.182384
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 CCSD(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' 3153 3073        
2 A' 3062 2985        
3 A' 2708 2640        
4 A' 1496 1458        
5 A' 1361 1326        
6 A' 1097 1069        
7 A' 798 778        
8 A' 718 700        
9 A" 3154 3075        
10 A" 1484 1446        
11 A" 975 951        
12 A" 235 230        

Unscaled Zero Point Vibrational Energy (zpe) 10120.0 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 9864.9 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 CCSD(T)/cc-pVTZ
ABC
3.44053 0.42798 0.41046

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 1.551 0.894
H6 0.432 1.551 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82572.38621.08901.08791.0879
S21.82571.34102.37142.44022.4402
H32.38621.34103.29622.67562.6756
H41.08902.37143.29621.77051.7705
H51.08792.44022.67561.77051.7870
H61.08792.44022.67561.77051.7870

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.596 S2 C1 H4 106.127
S2 C1 H5 111.220 S2 C1 H6 111.220
H4 C1 H5 108.845 H4 C1 H6 108.845
H5 C1 H6 110.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability