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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-433.808052
Energy at 298.15K-433.811917
HF Energy-433.808052
Nuclear repulsion energy55.860658
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/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' 3472 3099 1.20 29.17 0.74 0.85
2 A' 3286 2933 4.35 43.60 0.01 0.02
3 A' 2952 2634 29.32 63.00 0.31 0.48
4 A' 1692 1510 4.98 16.06 0.75 0.86
5 A' 1551 1384 3.48 3.99 0.73 0.84
6 A' 1231 1098 17.43 13.32 0.75 0.86
7 A' 914 815 0.42 5.92 0.49 0.65
8 A' 845 754 0.19 8.32 0.30 0.46
9 A" 3444 3073 6.13 30.23 0.75 0.86
10 A" 1681 1500 4.01 17.23 0.75 0.86
11 A" 1066 951 1.23 5.02 0.75 0.86
12 A" 253 226 9.31 9.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11193.0 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9988.6 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/STO-3G
ABC
3.37606 0.42547 0.40718

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.153 0.000
S2 -0.050 -0.674 0.000
H3 1.308 -0.773 0.000
H4 -1.095 1.494 0.000
H5 0.443 1.571 0.893
H6 0.443 1.571 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82652.35621.09981.10241.1024
S21.82651.36162.40712.46592.4659
H32.35621.36163.30402.65352.6535
H41.09982.40713.30401.78011.7801
H51.10242.46592.65351.78011.7857
H61.10242.46592.65351.78011.7857

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 94.168 S2 C1 H4 108.101
S2 C1 H5 112.321 S2 C1 H6 112.321
H4 C1 H5 107.868 H4 C1 H6 107.868
H5 C1 H6 108.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.305      
2 S 0.099      
3 H -0.026      
4 H 0.081      
5 H 0.075      
6 H 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.618 0.642 0.000 0.892
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.661 -0.771 0.000
y -0.771 -18.534 0.000
z 0.000 0.000 -19.225
Traceless
 xyz
x 1.219 -0.771 0.000
y -0.771 -0.091 0.000
z 0.000 0.000 -1.128
Polar
3z2-r2-2.255
x2-y20.873
xy-0.771
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.017 -0.285 0.000
y -0.285 2.419 0.000
z 0.000 0.000 0.928


<r2> (average value of r2) Å2
<r2> 39.496
(<r2>)1/2 6.285