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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-438.441831
Energy at 298.15K-438.445668
HF Energy-438.441831
Nuclear repulsion energy55.746209
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 PBEPBE/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' 3104 3060 6.66 65.03 0.75 0.86
2 A' 3008 2965 24.46 118.35 0.00 0.01
3 A' 2615 2578 23.19 133.17 0.38 0.55
4 A' 1468 1447 10.19 18.47 0.75 0.86
5 A' 1348 1329 7.37 7.14 0.46 0.63
6 A' 1082 1067 22.18 18.31 0.72 0.84
7 A' 787 776 0.71 10.30 0.52 0.68
8 A' 695 685 2.32 8.81 0.29 0.45
9 A" 3097 3053 9.68 73.50 0.75 0.86
10 A" 1459 1438 6.43 20.52 0.75 0.86
11 A" 962 948 8.45 8.79 0.75 0.86
12 A" 252 248 19.74 4.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9939.3 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 9797.2 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 PBEPBE/6-31G*
ABC
3.36597 0.42280 0.40528

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.163 0.000
S2 -0.048 -0.672 0.000
H3 1.303 -0.830 0.000
H4 -1.106 1.468 0.000
H5 0.432 1.569 0.903
H6 0.432 1.569 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83462.40721.10061.10051.1005
S21.83461.36022.38672.46342.4634
H32.40721.36023.32842.70672.7067
H41.10062.38673.32841.78641.7864
H51.10052.46342.70671.78641.8053
H61.10052.46342.70671.78641.8053

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.657 S2 C1 H4 106.084
S2 C1 H5 111.674 S2 C1 H6 111.674
H4 C1 H5 108.505 H4 C1 H6 108.505
H5 C1 H6 110.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.628      
2 S -0.087      
3 H 0.110      
4 H 0.205      
5 H 0.200      
6 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.920 1.495 0.000 1.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.007 -1.431 0.000
y -1.431 -20.119 0.000
z 0.000 0.000 -22.474
Traceless
 xyz
x 2.290 -1.431 0.000
y -1.431 0.621 0.000
z 0.000 0.000 -2.911
Polar
3z2-r2-5.822
x2-y21.112
xy-1.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.898 -0.223 0.000
y -0.223 4.851 0.000
z 0.000 0.000 3.130


<r2> (average value of r2) Å2
<r2> 40.901
(<r2>)1/2 6.395