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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCD/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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-438.159255
Energy at 298.15K-438.163127
HF Energy-437.757652
Nuclear repulsion energy56.324199
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 CCD/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' 3175 3039 5.63      
2 A' 3084 2952 20.65      
3 A' 2736 2619 2.25      
4 A' 1518 1453 6.67      
5 A' 1387 1327 5.49      
6 A' 1116 1068 9.88      
7 A' 813 778 0.43      
8 A' 735 703 1.44      
9 A" 3179 3042 5.12      
10 A" 1505 1440 4.18      
11 A" 995 952 3.45      
12 A" 233 223 10.60      

Unscaled Zero Point Vibrational Energy (zpe) 10237.9 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 9797.6 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 CCD/aug-cc-pVTZ
ABC
3.44984 0.43055 0.41289

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.281 -0.827 0.000
H4 -1.092 1.459 0.000
H5 0.433 1.544 0.893
H6 0.433 1.544 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82002.38571.08771.08631.0863
S21.82001.33892.36732.43152.4315
H32.38571.33893.29502.67172.6717
H41.08772.36733.29501.76931.7693
H51.08632.43152.67171.76931.7851
H61.08632.43152.67171.76931.7851

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.913 S2 C1 H4 106.262
S2 C1 H5 111.036 S2 C1 H6 111.036
H4 C1 H5 108.944 H4 C1 H6 108.944
H5 C1 H6 110.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability