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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: TPSSh/6-311G*

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/6-311G*
 hartrees
Energy at 0K-438.734441
Energy at 298.15K-438.738322
HF Energy-438.734441
Nuclear repulsion energy56.022033
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/6-311G*
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 3031 12.49 70.13 0.75 0.86
2 A' 3057 2944 34.98 126.31 0.00 0.01
3 A' 2636 2539 16.57 150.18 0.38 0.56
4 A' 1516 1460 9.02 13.47 0.75 0.86
5 A' 1390 1338 11.97 2.17 0.66 0.79
6 A' 1116 1074 23.44 12.36 0.73 0.84
7 A' 800 770 1.13 7.67 0.47 0.64
8 A' 699 673 3.20 14.35 0.27 0.43
9 A" 3143 3027 16.17 75.60 0.75 0.86
10 A" 1508 1452 5.14 12.73 0.75 0.86
11 A" 991 954 11.63 4.84 0.75 0.86
12 A" 262 252 18.50 7.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10130.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9757.5 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/6-311G*
ABC
3.41979 0.42574 0.40823

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.161 0.000
S2 -0.048 -0.670 0.000
H3 1.293 -0.828 0.000
H4 -1.096 1.460 0.000
H5 0.430 1.557 0.895
H6 0.430 1.557 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83042.39831.08991.08951.0895
S21.83041.35032.37382.44722.4472
H32.39831.35033.30782.68952.6895
H41.08992.37383.30781.77191.7719
H51.08952.44722.68951.77191.7903
H61.08952.44722.68951.77191.7903

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.718 S2 C1 H4 105.952
S2 C1 H5 111.336 S2 C1 H6 111.336
H4 C1 H5 108.780 H4 C1 H6 108.780
H5 C1 H6 110.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.755      
2 S -0.128      
3 H 0.153      
4 H 0.244      
5 H 0.242      
6 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.937 1.524 0.000 1.789
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 4.031 -0.200 0.000
y -0.200 5.183 0.000
z 0.000 0.000 3.017


<r2> (average value of r2) Å2
<r2> 40.889
(<r2>)1/2 6.394