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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-436.443887
Energy at 298.15K 
HF Energy-436.443887
Nuclear repulsion energy54.901847
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/3-21G
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' 3226 3093 1.53 54.56 0.75 0.86
2 A' 3131 3001 13.02 96.35 0.01 0.01
3 A' 2472 2370 24.21 143.71 0.38 0.55
4 A' 1549 1485 12.46 18.88 0.75 0.86
5 A' 1411 1353 4.28 0.79 0.71 0.83
6 A' 1106 1060 23.96 23.43 0.73 0.84
7 A' 784 751 3.36 14.03 0.68 0.81
8 A' 675 647 5.46 23.44 0.31 0.47
9 A" 3228 3095 4.34 55.74 0.75 0.86
10 A" 1549 1485 12.02 22.38 0.75 0.86
11 A" 994 953 8.11 11.19 0.75 0.86
12 A" 184i 176i 26.81 14.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9970.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 9558.4 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/3-21G
ABC
3.36465 0.40397 0.38768

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.201 0.000
S2 -0.049 -0.688 0.000
H3 1.309 -0.842 0.000
H4 -1.099 1.492 0.000
H5 0.439 1.573 0.899
H6 0.439 1.573 -0.899

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.88842.45301.08881.08831.0883
S21.88841.36702.41882.48102.4810
H32.45301.36703.35292.71952.7195
H41.08882.41883.35291.78251.7825
H51.08832.48102.71951.78251.7976
H61.08832.48102.71951.78251.7976

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.479 S2 C1 H4 105.502
S2 C1 H5 109.990 S2 C1 H6 109.990
H4 C1 H5 109.920 H4 C1 H6 109.920
H5 C1 H6 111.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.821      
2 S 0.012      
3 H 0.082      
4 H 0.249      
5 H 0.239      
6 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.163 1.660 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.501 -1.656 0.000
y -1.656 -20.754 0.000
z 0.000 0.000 -22.659
Traceless
 xyz
x 2.205 -1.656 0.000
y -1.656 0.326 0.000
z 0.000 0.000 -2.531
Polar
3z2-r2-5.062
x2-y21.252
xy-1.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.754 -0.331 0.000
y -0.331 4.771 0.000
z 0.000 0.000 2.382


<r2> (average value of r2) Å2
<r2> 42.170
(<r2>)1/2 6.494