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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-438.447082
Energy at 298.15K-438.450911
HF Energy-438.447082
Nuclear repulsion energy55.030553
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 PBE1PBE/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' 3231 3089 4.43 63.71 0.75 0.86
2 A' 3112 2975 20.08 115.80 0.01 0.01
3 A' 2545 2433 47.87 164.93 0.39 0.56
4 A' 1527 1460 13.42 19.17 0.75 0.86
5 A' 1410 1348 3.54 2.22 0.54 0.70
6 A' 1107 1058 27.30 22.87 0.72 0.83
7 A' 797 762 3.01 13.23 0.67 0.80
8 A' 689 659 3.72 20.64 0.30 0.46
9 A" 3225 3082 8.50 67.31 0.75 0.86
10 A" 1523 1455 12.82 22.40 0.75 0.86
11 A" 1007 962 9.55 11.58 0.75 0.86
12 A" 226 216 28.21 9.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10199.1 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 9749.3 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 PBE1PBE/6-31G
ABC
3.36214 0.40751 0.39081

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.193 0.000
S2 -0.049 -0.684 0.000
H3 1.315 -0.853 0.000
H4 -1.098 1.488 0.000
H5 0.435 1.577 0.897
H6 0.435 1.577 -0.897

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.87652.45911.08991.08991.0899
S21.87651.37522.41242.48032.4803
H32.45911.37523.36282.73572.7357
H41.08992.41243.36281.77921.7792
H51.08992.48032.73571.77921.7945
H61.08992.48032.73571.77921.7945

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.063 S2 C1 H4 105.749
S2 C1 H5 110.650 S2 C1 H6 110.650
H4 C1 H5 109.417 H4 C1 H6 109.417
H5 C1 H6 110.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.721      
2 S 0.011      
3 H 0.068      
4 H 0.220      
5 H 0.211      
6 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.175 1.734 0.000 2.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.304 -1.702 0.000
y -1.702 -20.481 0.000
z 0.000 0.000 -22.609
Traceless
 xyz
x 2.241 -1.702 0.000
y -1.702 0.476 0.000
z 0.000 0.000 -2.717
Polar
3z2-r2-5.434
x2-y21.177
xy-1.702
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.897 -0.295 0.000
y -0.295 4.842 0.000
z 0.000 0.000 2.772


<r2> (average value of r2) Å2
<r2> 41.904
(<r2>)1/2 6.473