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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-437.751522
Energy at 298.15K-437.755475
HF Energy-437.751522
Nuclear repulsion energy56.648490
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 HF/6-311+G(3df,2p)
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' 3269 2970 11.38 56.85 0.75 0.86
2 A' 3189 2898 31.08 133.05 0.00 0.00
3 A' 2855 2594 2.88 123.60 0.27 0.42
4 A' 1609 1462 7.13 4.53 0.75 0.86
5 A' 1485 1349 8.36 1.39 0.16 0.28
6 A' 1197 1087 12.72 2.12 0.75 0.85
7 A' 858 779 0.71 4.40 0.26 0.41
8 A' 765 695 3.45 22.90 0.20 0.34
9 A" 3273 2974 10.82 65.88 0.75 0.86
10 A" 1594 1448 4.70 4.46 0.75 0.86
11 A" 1056 959 3.36 0.17 0.75 0.86
12 A" 256 233 12.92 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10702.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 9723.9 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 HF/6-311+G(3df,2p)
ABC
3.51603 0.43455 0.41697

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.149 0.000
S2 -0.047 -0.661 0.000
H3 1.265 -0.850 0.000
H4 -1.084 1.454 0.000
H5 0.431 1.539 0.885
H6 0.431 1.539 -0.885

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81042.39171.08021.07891.0789
S21.81041.32642.35562.41902.4190
H32.39171.32643.29062.68052.6805
H41.08022.35563.29061.75641.7564
H51.07892.41902.68051.75641.7704
H61.07892.41902.68051.75641.7704

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.180 S2 C1 H4 106.403
S2 C1 H5 111.157 S2 C1 H6 111.157
H4 C1 H5 108.871 H4 C1 H6 108.871
H5 C1 H6 110.259
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.292      
2 S -0.255      
3 H 0.119      
4 H 0.142      
5 H 0.143      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.776 1.486 0.000 1.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.332 -1.371 0.000
y -1.371 -20.504 0.000
z 0.000 0.000 -22.870
Traceless
 xyz
x 2.355 -1.371 0.000
y -1.371 0.597 0.000
z 0.000 0.000 -2.952
Polar
3z2-r2-5.903
x2-y21.172
xy-1.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.577 -0.173 0.000
y -0.173 5.872 0.000
z 0.000 0.000 4.567


<r2> (average value of r2) Å2
<r2> 40.309
(<r2>)1/2 6.349