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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCD/6-31G

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/6-31G
 hartrees
Energy at 0K-437.823650
Energy at 298.15K-437.827454
HF Energy-437.646123
Nuclear repulsion energy54.349282
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/6-31G
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' 3176 3048 8.99      
2 A' 3073 2948 21.41      
3 A' 2444 2345 58.97      
4 A' 1533 1471 8.07      
5 A' 1420 1363 6.92      
6 A' 1099 1055 22.69      
7 A' 782 750 3.97      
8 A' 659 632 1.82      
9 A" 3172 3044 13.22      
10 A" 1524 1462 7.74      
11 A" 1003 962 5.71      
12 A" 224 214 22.27      

Unscaled Zero Point Vibrational Energy (zpe) 10054.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 9647.1 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 CCD/6-31G
ABC
3.31348 0.39557 0.37948

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.213 0.000
S2 -0.050 -0.695 0.000
H3 1.326 -0.859 0.000
H4 -1.105 1.511 0.000
H5 0.442 1.594 0.902
H6 0.442 1.594 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.90742.48671.09611.09591.0959
S21.90741.38552.44532.50842.5084
H32.48671.38553.39492.75852.7585
H41.09612.44533.39491.79241.7924
H51.09592.50842.75851.79241.8042
H61.09592.50842.75851.79241.8042

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.802 S2 C1 H4 105.815
S2 C1 H5 110.340 S2 C1 H6 110.340
H4 C1 H5 109.708 H4 C1 H6 109.708
H5 C1 H6 110.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability