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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-438.707741
Energy at 298.15K-438.711619
HF Energy-438.707741
Nuclear repulsion energy56.006842
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' 3169 3038 9.25 67.97 0.75 0.86
2 A' 3071 2944 27.33 123.78 0.00 0.01
3 A' 2709 2597 17.88 139.16 0.37 0.54
4 A' 1514 1452 8.01 17.27 0.75 0.86
5 A' 1385 1328 11.40 4.75 0.43 0.61
6 A' 1113 1067 20.61 17.63 0.72 0.83
7 A' 803 769 1.06 9.33 0.55 0.71
8 A' 705 676 3.04 12.53 0.29 0.45
9 A" 3164 3033 12.98 75.20 0.75 0.86
10 A" 1505 1442 4.79 19.24 0.75 0.86
11 A" 985 945 5.71 7.88 0.75 0.86
12 A" 260 250 18.63 4.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10191.0 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 9770.1 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 TPSSh/6-31G**
ABC
3.42272 0.42516 0.40781

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 1.287 -0.830 0.000
H4 -1.097 1.463 0.000
H5 0.433 1.557 0.896
H6 0.433 1.557 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83172.39811.09131.09111.0911
S21.83171.34502.37672.44842.4484
H32.39811.34503.30802.68972.6897
H41.09132.37673.30801.77521.7752
H51.09112.44842.68971.77521.7923
H61.09112.44842.68971.77521.7923

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.842 S2 C1 H4 106.013
S2 C1 H5 111.259 S2 C1 H6 111.259
H4 C1 H5 108.861 H4 C1 H6 108.861
H5 C1 H6 110.438
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 -0.510      
2 S -0.054      
3 H 0.071      
4 H 0.168      
5 H 0.163      
6 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.902 1.517 0.000 1.765
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 3.891 -0.239 0.000
y -0.239 4.859 0.000
z 0.000 0.000 3.148


<r2> (average value of r2) Å2
<r2> 40.649
(<r2>)1/2 6.376