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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBE1PBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-438.514916
Energy at 298.15K-438.518764
HF Energy-438.514916
Nuclear repulsion energy56.113724
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/aug-cc-pVDZ
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' 3177 3055 5.39 55.80 0.75 0.86
2 A' 3072 2954 22.70 158.42 0.00 0.01
3 A' 2704 2600 2.38 129.00 0.22 0.35
4 A' 1447 1392 7.83 4.46 0.75 0.86
5 A' 1324 1273 4.54 0.13 0.23 0.38
6 A' 1081 1040 9.95 2.09 0.70 0.82
7 A' 795 765 0.24 9.43 0.19 0.31
8 A' 725 697 2.25 11.50 0.18 0.31
9 A" 3177 3055 5.22 67.12 0.75 0.86
10 A" 1437 1382 4.95 4.05 0.75 0.86
11 A" 958 921 4.87 0.13 0.75 0.86
12 A" 237 228 12.61 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10066.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9680.2 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/aug-cc-pVDZ
ABC
3.39268 0.42918 0.41137

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.666 0.000
H3 1.295 -0.834 0.000
H4 -1.101 1.459 0.000
H5 0.432 1.553 0.900
H6 0.432 1.553 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82072.39971.09641.09551.0955
S21.82071.35392.37162.44282.4428
H32.39971.35393.31672.69352.6935
H41.09642.37163.31671.78061.7806
H51.09552.44282.69351.78061.8010
H61.09552.44282.69351.78061.8010

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.113 S2 C1 H4 106.104
S2 C1 H5 111.344 S2 C1 H6 111.344
H4 C1 H5 108.653 H4 C1 H6 108.653
H5 C1 H6 110.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.188      
2 S 0.053      
3 H 0.111      
4 H -0.122      
5 H -0.115      
6 H -0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.740 1.437 0.000 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.229 -1.273 0.000
y -1.273 -20.383 0.000
z 0.000 0.000 -22.735
Traceless
 xyz
x 2.330 -1.273 0.000
y -1.273 0.599 0.000
z 0.000 0.000 -2.929
Polar
3z2-r2-5.857
x2-y21.154
xy-1.273
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.959 -0.172 0.000
y -0.172 6.316 0.000
z 0.000 0.000 4.885


<r2> (average value of r2) Å2
<r2> 40.664
(<r2>)1/2 6.377