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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-438.517525
Energy at 298.15K-438.521413
HF Energy-438.517525
Nuclear repulsion energy56.299325
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/6-311G*
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' 3171 3039 8.00 68.19 0.75 0.86
2 A' 3076 2949 30.68 123.08 0.00 0.01
3 A' 2663 2553 12.37 150.12 0.38 0.55
4 A' 1502 1439 10.85 13.48 0.75 0.86
5 A' 1389 1331 6.50 2.65 0.67 0.80
6 A' 1117 1071 25.08 11.66 0.72 0.84
7 A' 810 777 1.13 8.41 0.44 0.61
8 A' 729 698 2.58 11.98 0.27 0.43
9 A" 3168 3037 10.80 73.49 0.75 0.86
10 A" 1493 1431 6.90 12.67 0.75 0.86
11 A" 995 953 13.99 4.42 0.75 0.86
12 A" 255 244 20.34 7.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10183.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9761.1 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/6-311G*
ABC
3.43112 0.43148 0.41358

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.150 0.000
S2 -0.048 -0.665 0.000
H3 1.292 -0.827 0.000
H4 -1.095 1.455 0.000
H5 0.427 1.554 0.894
H6 0.427 1.554 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81542.38841.09031.08981.0898
S21.81541.34952.36462.43872.4387
H32.38841.34953.30212.68582.6858
H41.09032.36463.30211.76781.7678
H51.08982.43872.68581.76781.7880
H61.08982.43872.68581.76781.7880

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.888 S2 C1 H4 106.241
S2 C1 H5 111.719 S2 C1 H6 111.719
H4 C1 H5 108.366 H4 C1 H6 108.366
H5 C1 H6 110.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.821      
2 S -0.120      
3 H 0.161      
4 H 0.262      
5 H 0.259      
6 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.965 1.507 0.000 1.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.264 -1.511 0.000
y -1.511 -20.581 0.000
z 0.000 0.000 -23.000
Traceless
 xyz
x 2.527 -1.511 0.000
y -1.511 0.551 0.000
z 0.000 0.000 -3.078
Polar
3z2-r2-6.156
x2-y21.317
xy-1.511
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.021 -0.198 0.000
y -0.198 5.105 0.000
z 0.000 0.000 3.018


<r2> (average value of r2) Å2
<r2> 40.610
(<r2>)1/2 6.373