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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-438.633799
Energy at 298.15K-438.637690
HF Energy-438.633799
Nuclear repulsion energy56.119871
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 B3PW91/6-31G*
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' 3179 3041 6.74      
2 A' 3082 2948 25.17      
3 A' 2711 2594 22.01      
4 A' 1512 1446 10.11      
5 A' 1394 1334 6.78      
6 A' 1118 1069 23.08      
7 A' 812 777 0.94      
8 A' 723 692 2.43      
9 A" 3174 3037 9.59      
10 A" 1502 1437 6.83      
11 A" 994 951 7.85      
12 A" 264 253 20.15      

Unscaled Zero Point Vibrational Energy (zpe) 10232.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9789.4 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 B3PW91/6-31G*
ABC
3.42130 0.42803 0.41039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.668 0.000
H3 1.290 -0.830 0.000
H4 -1.097 1.463 0.000
H5 0.431 1.558 0.896
H6 0.431 1.558 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82322.39471.09281.09261.0926
S21.82321.34802.37442.44662.4466
H32.39471.34803.30992.69172.6917
H41.09282.37443.30991.77371.7737
H51.09262.44662.69171.77371.7915
H61.09262.44662.69171.77371.7915

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.936 S2 C1 H4 106.311
S2 C1 H5 111.616 S2 C1 H6 111.616
H4 C1 H5 108.503 H4 C1 H6 108.503
H5 C1 H6 110.126
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.656      
2 S -0.082      
3 H 0.108      
4 H 0.213      
5 H 0.208      
6 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.930 1.507 0.000 1.771
CHELPG        
AIM        
ESP 0.956 1.559 0.000 1.829


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.955 -1.454 0.000
y -1.454 -20.076 0.000
z 0.000 0.000 -22.398
Traceless
 xyz
x 2.282 -1.454 0.000
y -1.454 0.601 0.000
z 0.000 0.000 -2.883
Polar
3z2-r2-5.765
x2-y21.121
xy-1.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.837 -0.233 0.000
y -0.233 4.752 0.000
z 0.000 0.000 3.097


<r2> (average value of r2) Å2
<r2> 40.512
(<r2>)1/2 6.365