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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)=FULL/aug-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)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-438.235851
Energy at 298.15K-438.239712
HF Energy-437.757635
Nuclear repulsion energy56.356046
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-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' 3147 3033        
2 A' 3081 2969        
3 A' 2711 2613        
4 A' 1512 1457        
5 A' 1369 1320        
6 A' 1104 1064        
7 A' 805 776        
8 A' 725 699        
9 A" 3150 3036        
10 A" 1498 1444        
11 A" 984 948        
12 A" 233 224        

Unscaled Zero Point Vibrational Energy (zpe) 10159.9 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 9791.1 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-pVTZ
ABC
3.45090 0.43105 0.41334

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.666 0.000
H3 1.282 -0.816 0.000
H4 -1.092 1.458 0.000
H5 0.433 1.543 0.892
H6 0.433 1.543 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81952.37671.08691.08561.0856
S21.81951.33802.36602.43002.4300
H32.37671.33803.28672.66122.6612
H41.08692.36603.28671.76821.7682
H51.08562.43002.66121.76821.7845
H61.08562.43002.66121.76821.7845

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.463 S2 C1 H4 106.241
S2 C1 H5 111.001 S2 C1 H6 111.001
H4 C1 H5 108.958 H4 C1 H6 108.958
H5 C1 H6 110.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability