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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-438.627485
Energy at 298.15K-438.631186
HF Energy-438.627485
Nuclear repulsion energy56.223318
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 M06-2X/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' 3206 3036 5.35 67.58 0.75 0.86
2 A' 3113 2948 20.68 111.94 0.00 0.01
3 A' 2728 2583 17.06 143.45 0.39 0.56
4 A' 1521 1441 8.88 18.39 0.75 0.86
5 A' 1398 1324 7.69 4.19 0.54 0.70
6 A' 1120 1060 22.41 18.33 0.72 0.84
7 A' 811 768 1.14 10.04 0.53 0.69
8 A' 735 697 2.60 13.51 0.28 0.43
9 A" 3205 3035 7.49 72.45 0.75 0.86
10 A" 1511 1431 6.01 20.39 0.75 0.86
11 A" 996 943 6.81 7.76 0.75 0.86
12 A" 132 125 19.22 4.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10236.9 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 9694.3 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 M06-2X/6-31G*
ABC
3.43446 0.42937 0.41172

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.667 0.000
H3 1.286 -0.822 0.000
H4 -1.095 1.461 0.000
H5 0.432 1.553 0.894
H6 0.432 1.553 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82122.38451.09091.09041.0904
S21.82121.34262.37152.44072.4407
H32.38451.34263.29862.67792.6779
H41.09092.37153.29861.77171.7717
H51.09042.44072.67791.77171.7889
H61.09042.44072.67791.77171.7889

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.652 S2 C1 H4 106.332
S2 C1 H5 111.438 S2 C1 H6 111.438
H4 C1 H5 108.623 H4 C1 H6 108.623
H5 C1 H6 110.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.633      
2 S -0.076      
3 H 0.103      
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
  0.914 1.477 0.000 1.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.107 -1.430 0.000
y -1.430 -20.250 0.000
z 0.000 0.000 -22.513
Traceless
 xyz
x 2.275 -1.430 0.000
y -1.430 0.559 0.000
z 0.000 0.000 -2.834
Polar
3z2-r2-5.668
x2-y21.144
xy-1.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.863 -0.248 0.000
y -0.248 4.777 0.000
z 0.000 0.000 3.118


<r2> (average value of r2) Å2
<r2> 40.500
(<r2>)1/2 6.364