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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-438.471434
Energy at 298.15K-438.475223
HF Energy-438.471434
Nuclear repulsion energy55.629146
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 PBEPBEultrafine/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' 3091 3072 6.01 58.59 0.75 0.86
2 A' 2989 2971 23.59 168.72 0.01 0.01
3 A' 2601 2585 3.64 132.39 0.21 0.35
4 A' 1398 1390 7.39 4.67 0.75 0.86
5 A' 1272 1265 5.55 0.20 0.71 0.83
6 A' 1041 1035 9.01 2.27 0.68 0.81
7 A' 767 762 0.28 9.48 0.19 0.31
8 A' 686 682 1.94 10.92 0.17 0.29
9 A" 3089 3070 5.79 72.72 0.75 0.86
10 A" 1389 1380 4.23 4.13 0.75 0.86
11 A" 923 918 5.08 0.13 0.75 0.86
12 A" 229 227 11.42 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9737.9 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 9678.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
3.33854 0.42149 0.40399

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.166 0.000
S2 -0.048 -0.673 0.000
H3 1.308 -0.834 0.000
H4 -1.110 1.468 0.000
H5 0.434 1.567 0.907
H6 0.434 1.567 -0.907

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83822.41591.10381.10301.1030
S21.83821.36582.38982.46402.4640
H32.41591.36583.33852.71102.7110
H41.10382.38983.33851.79321.7932
H51.10302.46402.71101.79321.8142
H61.10302.46402.71101.79321.8142

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.770 S2 C1 H4 105.925
S2 C1 H5 111.338 S2 C1 H6 111.338
H4 C1 H5 108.703 H4 C1 H6 108.703
H5 C1 H6 110.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.381      
2 S 0.061      
3 H 0.087      
4 H -0.182      
5 H -0.173      
6 H -0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.699 1.405 0.000 1.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.437 -1.214 0.000
y -1.214 -20.557 0.000
z 0.000 0.000 -22.905
Traceless
 xyz
x 2.295 -1.214 0.000
y -1.214 0.614 0.000
z 0.000 0.000 -2.908
Polar
3z2-r2-5.817
x2-y21.121
xy-1.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.151 -0.174 0.000
y -0.174 6.598 0.000
z 0.000 0.000 5.103


<r2> (average value of r2) Å2
<r2> 41.264
(<r2>)1/2 6.424