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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-438.752445
Energy at 298.15K-438.756282
HF Energy-438.752445
Nuclear repulsion energy56.211587
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/6-311+G(3df,2p)
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' 3130 3027 6.53 55.89 0.75 0.86
2 A' 3049 2949 23.15 138.90 0.00 0.01
3 A' 2678 2590 2.56 121.13 0.25 0.40
4 A' 1491 1442 7.74 4.72 0.75 0.86
5 A' 1360 1315 5.27 0.31 0.09 0.17
6 A' 1098 1062 11.07 2.42 0.72 0.84
7 A' 800 774 0.33 6.13 0.23 0.38
8 A' 698 675 1.54 15.59 0.18 0.31
9 A" 3131 3028 6.10 67.89 0.75 0.86
10 A" 1478 1430 4.60 4.61 0.75 0.86
11 A" 973 941 4.65 0.19 0.75 0.86
12 A" 231 224 10.89 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10059.1 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 9727.1 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/6-311+G(3df,2p)
ABC
3.44991 0.42835 0.41085

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.157 0.000
S2 -0.048 -0.667 0.000
H3 1.283 -0.837 0.000
H4 -1.093 1.459 0.000
H5 0.430 1.552 0.892
H6 0.430 1.552 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82422.39761.08771.08661.0866
S21.82421.34182.36902.43892.4389
H32.39761.34183.30412.68882.6888
H41.08772.36903.30411.76781.7678
H51.08662.43892.68881.76781.7847
H61.08662.43892.68881.76781.7847

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.275 S2 C1 H4 106.111
S2 C1 H5 111.291 S2 C1 H6 111.291
H4 C1 H5 108.788 H4 C1 H6 108.788
H5 C1 H6 110.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.393      
2 S -0.253      
3 H 0.136      
4 H 0.167      
5 H 0.172      
6 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.686 1.388 0.000 1.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.409 -1.220 0.000
y -1.220 -20.528 0.000
z 0.000 0.000 -22.852
Traceless
 xyz
x 2.282 -1.220 0.000
y -1.220 0.602 0.000
z 0.000 0.000 -2.884
Polar
3z2-r2-5.768
x2-y21.120
xy-1.220
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.807 -0.167 0.000
y -0.167 6.217 0.000
z 0.000 0.000 4.882


<r2> (average value of r2) Å2
<r2> 40.725
(<r2>)1/2 6.382