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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-438.477070
Energy at 298.15K-438.480903
HF Energy-438.477070
Nuclear repulsion energy55.797883
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 PBEPBEultrafine/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' 3082 3050 8.96 69.62 0.75 0.86
2 A' 2991 2960 31.57 129.91 0.00 0.01
3 A' 2553 2526 15.74 148.55 0.38 0.55
4 A' 1455 1440 10.88 13.85 0.75 0.86
5 A' 1340 1326 7.38 3.77 0.62 0.76
6 A' 1077 1066 23.84 12.22 0.73 0.84
7 A' 783 775 1.06 8.67 0.44 0.61
8 A' 687 680 2.28 10.65 0.27 0.43
9 A" 3077 3045 11.70 75.56 0.75 0.86
10 A" 1448 1433 6.45 13.15 0.75 0.86
11 A" 960 950 14.87 4.97 0.75 0.86
12 A" 248 245 19.06 8.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9849.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9747.4 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 PBEPBEultrafine/6-311G*
ABC
3.37368 0.42358 0.40597

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.671 0.000
H3 1.306 -0.828 0.000
H4 -1.103 1.464 0.000
H5 0.429 1.568 0.901
H6 0.429 1.568 -0.901

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83322.40641.09781.09731.0973
S21.83321.36272.38242.46052.4605
H32.40641.36273.32522.70542.7054
H41.09782.38243.32521.78061.7806
H51.09732.46052.70541.78061.8015
H61.09732.46052.70541.78061.8015

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.585 S2 C1 H4 106.006
S2 C1 H5 111.726 S2 C1 H6 111.726
H4 C1 H5 108.418 H4 C1 H6 108.418
H5 C1 H6 110.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.799      
2 S -0.119      
3 H 0.159      
4 H 0.254      
5 H 0.252      
6 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.937 1.486 0.000 1.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.403 -1.468 0.000
y -1.468 -20.702 0.000
z 0.000 0.000 -23.173
Traceless
 xyz
x 2.535 -1.468 0.000
y -1.468 0.586 0.000
z 0.000 0.000 -3.121
Polar
3z2-r2-6.242
x2-y21.299
xy-1.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.156 -0.192 0.000
y -0.192 5.308 0.000
z 0.000 0.000 3.099


<r2> (average value of r2) Å2
<r2> 41.196
(<r2>)1/2 6.418