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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-438.701117
Energy at 298.15K-438.705001
HF Energy-438.701117
Nuclear repulsion energy55.985588
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 TPSSh/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' 3171 3043 9.86 69.00 0.75 0.86
2 A' 3077 2952 28.53 119.68 0.00 0.01
3 A' 2708 2598 25.28 141.70 0.39 0.56
4 A' 1529 1467 8.47 17.78 0.75 0.86
5 A' 1400 1343 11.72 4.84 0.46 0.63
6 A' 1122 1076 21.86 18.45 0.72 0.84
7 A' 807 774 1.10 9.21 0.55 0.71
8 A' 708 679 3.12 12.61 0.29 0.45
9 A" 3165 3037 13.59 76.76 0.75 0.86
10 A" 1520 1458 5.09 19.70 0.75 0.86
11 A" 994 953 6.23 8.37 0.75 0.86
12 A" 264 253 19.03 4.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10232.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9816.8 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 TPSSh/6-31G*
ABC
3.41720 0.42504 0.40764

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.670 0.000
H3 1.289 -0.828 0.000
H4 -1.098 1.464 0.000
H5 0.433 1.558 0.896
H6 0.433 1.558 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83162.39751.09221.09221.0922
S21.83161.34642.37852.44982.4498
H32.39751.34643.30942.68952.6895
H41.09222.37853.30941.77631.7763
H51.09222.44982.68951.77631.7930
H61.09222.44982.68951.77631.7930

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.754 S2 C1 H4 106.095
S2 C1 H5 111.311 S2 C1 H6 111.311
H4 C1 H5 108.819 H4 C1 H6 108.819
H5 C1 H6 110.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.618      
2 S -0.086      
3 H 0.103      
4 H 0.204      
5 H 0.199      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.914 1.527 0.000 1.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.847 -0.234 0.000
y -0.234 4.797 0.000
z 0.000 0.000 3.100


<r2> (average value of r2) Å2
<r2> 40.686
(<r2>)1/2 6.379