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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)=FULL/aug-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 CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-438.089150
Energy at 298.15K-438.092975
HF Energy-437.729662
Nuclear repulsion energy55.643840
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)=FULL/aug-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' 3148 3057        
2 A' 3049 2961        
3 A' 2696 2618        
4 A' 1467 1425        
5 A' 1340 1301        
6 A' 1084 1053        
7 A' 789 766        
8 A' 703 683        
9 A" 3149 3058        
10 A" 1456 1414        
11 A" 962 934        
12 A" 225 219        

Unscaled Zero Point Vibrational Energy (zpe) 10034.4 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 9745.4 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)=FULL/aug-cc-pVDZ
ABC
3.36249 0.42029 0.40308

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.168 0.000
S2 -0.048 -0.674 0.000
H3 1.297 -0.829 0.000
H4 -1.107 1.473 0.000
H5 0.437 1.564 0.905
H6 0.437 1.564 -0.905

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.84242.40841.10171.10061.1006
S21.84241.35422.39382.46252.4625
H32.40841.35423.32862.69942.6994
H41.10172.39383.32861.79221.7922
H51.10062.46252.69941.79221.8098
H61.10062.46252.69941.79221.8098

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.582 S2 C1 H4 106.051
S2 C1 H5 111.080 S2 C1 H6 111.080
H4 C1 H5 108.935 H4 C1 H6 108.935
H5 C1 H6 110.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability