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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-433.629049
Energy at 298.15K-433.632947
HF Energy-433.629049
Nuclear repulsion energy56.249043
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 PBE1PBE/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' 3530 3114 0.59 27.78 0.74 0.85
2 A' 3339 2945 3.32 41.44 0.01 0.02
3 A' 3021 2665 23.34 61.81 0.31 0.48
4 A' 1705 1504 5.69 15.63 0.75 0.86
5 A' 1566 1381 2.33 4.08 0.73 0.84
6 A' 1246 1099 17.65 12.93 0.75 0.86
7 A' 928 819 0.48 7.38 0.46 0.63
8 A' 874 771 0.41 6.06 0.29 0.45
9 A" 3502 3089 3.94 28.78 0.75 0.86
10 A" 1692 1493 4.90 16.70 0.75 0.86
11 A" 1083 955 1.34 4.73 0.75 0.86
12 A" 263 232 11.41 9.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11374.2 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 10033.1 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 PBE1PBE/STO-3G
ABC
3.40265 0.43252 0.41382

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.142 0.000
S2 -0.050 -0.668 0.000
H3 1.302 -0.770 0.000
H4 -1.092 1.483 0.000
H5 0.441 1.561 0.890
H6 0.441 1.561 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81012.34151.09661.09921.0992
S21.81011.35542.39042.45012.4501
H32.34151.35543.28742.64002.6400
H41.09662.39043.28741.77381.7738
H51.09922.45012.64001.77381.7800
H61.09922.45012.64001.77381.7800

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 94.313 S2 C1 H4 108.117
S2 C1 H5 112.428 S2 C1 H6 112.428
H4 C1 H5 107.770 H4 C1 H6 107.770
H5 C1 H6 108.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 S 0.083      
3 H -0.014      
4 H 0.088      
5 H 0.081      
6 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.688 0.712 0.000 0.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.553 -0.835 0.000
y -0.835 -18.518 0.000
z 0.000 0.000 -19.185
Traceless
 xyz
x 1.298 -0.835 0.000
y -0.835 -0.149 0.000
z 0.000 0.000 -1.149
Polar
3z2-r2-2.299
x2-y20.965
xy-0.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.972 -0.277 0.000
y -0.277 2.324 0.000
z 0.000 0.000 0.906


<r2> (average value of r2) Å2
<r2> 39.054
(<r2>)1/2 6.249