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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-18.162374
Energy at 298.15K-18.166154
HF Energy-18.162374
Nuclear repulsion energy20.808278
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 B3LYP/CEP-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' 3194 3093 24.43 72.02 0.75 0.86
2 A' 3072 2975 40.75 163.42 0.01 0.02
3 A' 2484 2405 70.37 180.97 0.39 0.56
4 A' 1486 1439 10.32 19.34 0.73 0.85
5 A' 1371 1327 6.46 0.89 0.47 0.64
6 A' 1080 1046 27.89 25.48 0.74 0.85
7 A' 774 749 2.09 9.33 0.63 0.77
8 A' 655 635 5.01 33.23 0.30 0.46
9 A" 3184 3084 39.09 72.10 0.75 0.86
10 A" 1483 1436 12.32 21.16 0.75 0.86
11 A" 973 942 12.54 15.67 0.75 0.86
12 A" 222 215 26.80 18.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9987.6 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 9671.9 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 B3LYP/CEP-31G
ABC
3.28994 0.39478 0.37865

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.214 0.000
S2 -0.050 -0.695 0.000
H3 1.331 -0.857 0.000
H4 -1.109 1.508 0.000
H5 0.442 1.596 0.905
H6 0.442 1.596 -0.905

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.90942.48901.09881.09921.0992
S21.90941.39072.44482.51282.5128
H32.48901.39073.39792.76182.7618
H41.09882.44483.39791.79801.7980
H51.09922.51282.76181.79801.8108
H61.09922.51282.76181.79801.8108

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.655 S2 C1 H4 105.536
S2 C1 H5 110.357 S2 C1 H6 110.357
H4 C1 H5 109.770 H4 C1 H6 109.770
H5 C1 H6 110.914
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.592      
2 S -0.033      
3 H 0.038      
4 H 0.197      
5 H 0.195      
6 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.179 1.768 0.000 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.473 -1.650 0.000
y -1.650 -19.655 0.000
z 0.000 0.000 -21.960
Traceless
 xyz
x 2.334 -1.650 0.000
y -1.650 0.562 0.000
z 0.000 0.000 -2.896
Polar
3z2-r2-5.792
x2-y21.181
xy-1.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.688 -0.269 0.000
y -0.269 5.346 0.000
z 0.000 0.000 1.992


<r2> (average value of r2) Å2
<r2> 34.468
(<r2>)1/2 5.871