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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-433.560744
Energy at 298.15K-433.564630
HF Energy-433.533025
Nuclear repulsion energy56.016367
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 B2PLYP/STO-3G
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' 3518 3518 1.12 28.41 0.74 0.85
2 A' 3331 3331 3.76 40.01 0.01 0.02
3 A' 3024 3024 26.95 62.87 0.31 0.48
4 A' 1720 1720 4.01 16.01 0.75 0.86
5 A' 1579 1579 4.56 3.71 0.74 0.85
6 A' 1251 1251 17.56 13.35 0.75 0.86
7 A' 930 930 0.69 6.17 0.49 0.65
8 A' 868 868 0.09 8.62 0.30 0.46
9 A" 3494 3494 5.69 28.77 0.75 0.86
10 A" 1708 1708 3.23 17.19 0.75 0.86
11 A" 1084 1084 0.67 4.82 0.75 0.86
12 A" 254 254 9.14 9.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11379.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11379.8 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 B2PLYP/STO-3G
ABC
3.39395 0.42787 0.40955

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.149 0.000
S2 -0.050 -0.672 0.000
H3 1.301 -0.773 0.000
H4 -1.094 1.493 0.000
H5 0.443 1.567 0.892
H6 0.443 1.567 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82082.34871.09911.10151.1015
S21.82081.35432.40372.46002.4600
H32.34871.35433.29662.64672.6467
H41.09912.40373.29661.77841.7784
H51.10152.46002.64671.77841.7834
H61.10152.46002.64671.77841.7834

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 94.268 S2 C1 H4 108.261
S2 C1 H5 112.315 S2 C1 H6 112.315
H4 C1 H5 107.831 H4 C1 H6 107.831
H5 C1 H6 108.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287      
2 S 0.107      
3 H -0.032      
4 H 0.075      
5 H 0.069      
6 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.618 0.633 0.000 0.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.755 -0.769 -0.002
y -0.769 -18.645 -0.007
z -0.002 -0.007 -19.260
Traceless
 xyz
x 1.198 -0.769 -0.002
y -0.769 -0.138 -0.007
z -0.002 -0.007 -1.060
Polar
3z2-r2-2.119
x2-y20.891
xy-0.769
xz-0.002
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.993 -0.289 0.000
y -0.289 2.377 0.000
z 0.000 0.000 0.917


<r2> (average value of r2) Å2
<r2> 39.395
(<r2>)1/2 6.277