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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-438.451749
Energy at 298.15K-438.455575
HF Energy-438.451749
Nuclear repulsion energy55.747188
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 PBEPBEultrafine/6-31+G**
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' 3099 3064 5.83 66.73 0.75 0.85
2 A' 3000 2965 26.90 130.05 0.00 0.01
3 A' 2623 2593 12.74 141.39 0.32 0.48
4 A' 1442 1425 10.68 12.10 0.75 0.86
5 A' 1328 1312 6.84 2.98 0.69 0.82
6 A' 1068 1056 21.29 11.28 0.74 0.85
7 A' 782 773 1.05 10.56 0.37 0.54
8 A' 691 683 1.82 12.67 0.23 0.37
9 A" 3092 3056 6.85 79.36 0.75 0.86
10 A" 1431 1414 6.68 11.20 0.75 0.86
11 A" 950 939 7.31 3.01 0.75 0.86
12 A" 245 242 20.16 0.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9874.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 9762.3 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 PBEPBEultrafine/6-31+G**
ABC
3.37341 0.42241 0.40500

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

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 1.300 -0.831 0.000
H4 -1.105 1.468 0.000
H5 0.432 1.569 0.902
H6 0.432 1.569 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83572.40781.09981.09971.0997
S21.83571.35782.38692.46352.4635
H32.40781.35783.32752.70762.7076
H41.09982.38693.32751.78501.7850
H51.09972.46352.70761.78501.8046
H61.09972.46352.70761.78501.8046

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.728 S2 C1 H4 106.077
S2 C1 H5 111.660 S2 C1 H6 111.660
H4 C1 H5 108.493 H4 C1 H6 108.493
H5 C1 H6 110.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.642      
2 S -0.050      
3 H 0.080      
4 H 0.205      
5 H 0.204      
6 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.929 1.504 0.000 1.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.352 -1.442 0.000
y -1.442 -20.660 0.000
z 0.000 0.000 -22.991
Traceless
 xyz
x 2.473 -1.442 0.000
y -1.442 0.512 0.000
z 0.000 0.000 -2.985
Polar
3z2-r2-5.970
x2-y21.307
xy-1.442
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.212 -0.197 0.000
y -0.197 5.524 0.000
z 0.000 0.000 4.298


<r2> (average value of r2) Å2
<r2> 41.204
(<r2>)1/2 6.419