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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)=FULL/cc-pCVDZ

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/cc-pCVDZ
 hartrees
Energy at 0K-438.272689
Energy at 298.15K-438.276575
HF Energy-437.725868
Nuclear repulsion energy55.821376
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/cc-pCVDZ
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' 3171 3072        
2 A' 3068 2972        
3 A' 2725 2640        
4 A' 1483 1436        
5 A' 1356 1313        
6 A' 1097 1063        
7 A' 797 772        
8 A' 719 697        
9 A" 3168 3069        
10 A" 1470 1424        
11 A" 971 941        
12 A" 253 245        

Unscaled Zero Point Vibrational Energy (zpe) 10139.1 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 9822.7 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/cc-pCVDZ
ABC
3.36880 0.42401 0.40649

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.161 0.000
S2 -0.048 -0.672 0.000
H3 1.295 -0.819 0.000
H4 -1.107 1.470 0.000
H5 0.437 1.565 0.903
H6 0.437 1.565 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83202.39221.10291.10251.1025
S21.83201.35172.38862.46072.4607
H32.39221.35173.31782.69012.6901
H41.10292.38863.31781.79131.7913
H51.10252.46072.69011.79131.8069
H61.10252.46072.69011.79131.8069

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.247 S2 C1 H4 106.277
S2 C1 H5 111.544 S2 C1 H6 111.544
H4 C1 H5 108.629 H4 C1 H6 108.629
H5 C1 H6 110.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability