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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-436.324908
Energy at 298.15K-436.328739
HF Energy-436.324908
Nuclear repulsion energy54.844116
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 HSEh1PBE/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' 3217 3099 2.30 56.52 0.75 0.86
2 A' 3111 2997 14.79 98.80 0.01 0.01
3 A' 2490 2398 31.48 137.86 0.38 0.55
4 A' 1541 1485 13.90 19.35 0.75 0.86
5 A' 1403 1352 2.75 1.37 0.59 0.74
6 A' 1108 1068 25.50 23.88 0.73 0.84
7 A' 801 772 2.82 13.10 0.69 0.82
8 A' 667 642 5.05 20.63 0.32 0.48
9 A" 3215 3097 5.74 59.06 0.75 0.86
10 A" 1541 1484 13.05 22.79 0.75 0.86
11 A" 992 955 9.56 11.24 0.75 0.86
12 A" 234 225 27.52 14.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10159.7 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 9786.8 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 HSEh1PBE/3-21G
ABC
3.34842 0.40362 0.38724

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.201 0.000
S2 -0.050 -0.688 0.000
H3 1.315 -0.841 0.000
H4 -1.101 1.491 0.000
H5 0.438 1.575 0.900
H6 0.438 1.575 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.88912.45561.09021.08991.0899
S21.88911.37272.41892.48352.4835
H32.45561.37273.35682.72282.7228
H41.09022.41893.35681.78461.7846
H51.08992.48352.72281.78461.8007
H61.08992.48352.72281.78461.8007

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.388 S2 C1 H4 105.399
S2 C1 H5 110.050 S2 C1 H6 110.050
H4 C1 H5 109.884 H4 C1 H6 109.884
H5 C1 H6 111.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.876      
2 S 0.005      
3 H 0.093      
4 H 0.266      
5 H 0.256      
6 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.157 1.676 0.000 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.409 -1.648 0.000
y -1.648 -20.653 0.000
z 0.000 0.000 -22.648
Traceless
 xyz
x 2.242 -1.648 0.000
y -1.648 0.376 0.000
z 0.000 0.000 -2.617
Polar
3z2-r2-5.235
x2-y21.244
xy-1.648
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.781 -0.296 0.000
y -0.296 4.726 0.000
z 0.000 0.000 2.398


<r2> (average value of r2) Å2
<r2> 42.171
(<r2>)1/2 6.494