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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-438.508656
Energy at 298.15K-438.512539
HF Energy-438.419570
Nuclear repulsion energy56.142867
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/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' 3174 3174 9.85 68.78 0.75 0.86
2 A' 3084 3084 31.33 119.05 0.00 0.01
3 A' 2657 2657 15.49 151.84 0.39 0.56
4 A' 1522 1522 9.49 13.53 0.75 0.86
5 A' 1411 1411 8.89 1.86 0.72 0.84
6 A' 1127 1127 24.01 11.68 0.72 0.84
7 A' 814 814 1.39 7.09 0.49 0.65
8 A' 718 718 2.35 15.93 0.27 0.43
9 A" 3172 3172 12.35 73.48 0.75 0.86
10 A" 1512 1512 5.78 12.75 0.75 0.86
11 A" 1007 1007 12.82 4.31 0.75 0.86
12 A" 249 249 18.61 8.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10223.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10223.7 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/6-311G*
ABC
3.44102 0.42751 0.40992

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.157 0.000
S2 -0.048 -0.668 0.000
H3 1.289 -0.828 0.000
H4 -1.092 1.463 0.000
H5 0.430 1.557 0.892
H6 0.430 1.557 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82552.39341.08831.08771.0877
S21.82551.34662.37382.44412.4441
H32.39341.34663.30472.68702.6870
H41.08832.37383.30471.76651.7665
H51.08772.44412.68701.76651.7841
H61.08772.44412.68701.76651.7841

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.805 S2 C1 H4 106.340
S2 C1 H5 111.536 S2 C1 H6 111.536
H4 C1 H5 108.541 H4 C1 H6 108.541
H5 C1 H6 110.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.772      
2 S -0.104      
3 H 0.144      
4 H 0.245      
5 H 0.243      
6 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.941 1.474 0.000 1.749
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.513 -1.478 -0.002
y -1.478 -20.829 -0.008
z -0.002 -0.008 -23.221
Traceless
 xyz
x 2.512 -1.478 -0.002
y -1.478 0.538 -0.008
z -0.002 -0.008 -3.050
Polar
3z2-r2-6.101
x2-y21.316
xy-1.478
xz-0.002
yz-0.008


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.029 -0.196 0.001
y -0.196 5.138 0.001
z 0.001 0.001 3.014


<r2> (average value of r2) Å2
<r2> 40.953
(<r2>)1/2 6.399