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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-477.700275
Energy at 298.15K-477.706290
HF Energy-477.700275
Nuclear repulsion energy109.758587
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3091 3040 10.95      
2 A1 2982 2933 33.89      
3 A1 1470 1445 0.01      
4 A1 1354 1332 2.24      
5 A1 1040 1023 21.04      
6 A1 683 671 3.33      
7 A1 255 251 0.10      
8 A2 3067 3016 0.00      
9 A2 1445 1421 0.00      
10 A2 940 925 0.00      
11 A2 185 182 0.00      
12 B1 3059 3009 32.74      
13 B1 1454 1430 18.23      
14 B1 980 964 10.96      
15 B1 180 177 1.26      
16 B2 3092 3041 2.92      
17 B2 2985 2936 26.99      
18 B2 1460 1436 23.17      
19 B2 1328 1306 4.15      
20 B2 900 885 0.49      
21 B2 732 720 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16340.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 16071.0 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/6-31G*
ABC
0.58387 0.24719 0.18623

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.391 -0.516
C3 0.000 -1.391 -0.516
H4 0.000 2.319 0.077
H5 0.000 -2.319 0.077
H6 0.901 1.379 -1.152
H7 -0.901 1.379 -1.152
H8 -0.901 -1.379 -1.152
H9 0.901 -1.379 -1.152

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82491.82492.39222.39222.45292.45292.45292.4529
C21.82492.78161.10133.75661.10321.10322.98122.9812
C31.82492.78163.75661.10132.98122.98121.10321.1032
H42.39221.10133.75664.63751.79061.79063.99933.9993
H52.39223.75661.10134.63753.99933.99931.79061.7906
H62.45291.10322.98121.79063.99931.80253.29442.7576
H72.45291.10322.98121.79063.99931.80252.75763.2944
H82.45292.98121.10323.99931.79063.29442.75761.8025
H92.45292.98121.10323.99931.79062.75763.29441.8025

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 107.071 S1 C2 H6 111.406
S1 C2 H7 111.406 S1 C3 H5 107.071
S1 C3 H8 111.406 S1 C3 H9 111.406
C2 S1 C3 99.305 H4 C2 H6 108.641
H4 C2 H7 108.641 H5 C3 H8 108.641
H5 C3 H9 108.641 H6 C2 H7 109.570
H8 C3 H9 109.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.100      
2 C -0.626      
3 C -0.626      
4 H 0.199      
5 H 0.199      
6 H 0.189      
7 H 0.189      
8 H 0.189      
9 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.727 1.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.487 0.000 0.000
y 0.000 -23.586 -0.006
z 0.000 -0.006 -28.082
Traceless
 xyz
x -2.653 0.000 0.000
y 0.000 4.699 -0.006
z 0.000 -0.006 -2.045
Polar
3z2-r2-4.091
x2-y2-4.901
xy0.000
xz0.000
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.578 0.000 0.000
y 0.000 6.981 -0.005
z 0.000 -0.005 5.666


<r2> (average value of r2) Å2
<r2> 77.106
(<r2>)1/2 8.781