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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-475.654948
Energy at 298.15K 
HF Energy-475.654948
Nuclear repulsion energy110.298937
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 B3PW91/3-21G*
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 3147 3019 8.93      
2 A1 3049 2926 26.50      
3 A1 1549 1486 1.19      
4 A1 1429 1371 0.07      
5 A1 1093 1049 25.41      
6 A1 693 665 3.24      
7 A1 265 255 0.11      
8 A2 3132 3005 0.00      
9 A2 1527 1465 0.00      
10 A2 991 951 0.00      
11 A2 191 183 0.00      
12 B1 3127 3000 27.92      
13 B1 1537 1475 27.85      
14 B1 1029 987 15.21      
15 B1 188 180 1.46      
16 B2 3148 3020 2.19      
17 B2 3052 2928 22.95      
18 B2 1538 1476 26.57      
19 B2 1406 1349 0.00      
20 B2 954 915 1.20      
21 B2 742 712 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16894.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 16208.2 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 B3PW91/3-21G*
ABC
0.58491 0.25073 0.18817

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.666
C2 0.000 1.381 -0.517
C3 0.000 -1.381 -0.517
H4 0.000 2.309 0.065
H5 0.000 -2.309 0.065
H6 0.896 1.360 -1.147
H7 -0.896 1.360 -1.147
H8 -0.896 -1.360 -1.147
H9 0.896 -1.360 -1.147

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81841.81842.38612.38612.43722.43722.43722.4372
C21.81842.76271.09493.73601.09551.09552.95222.9522
C31.81842.76273.73601.09492.95222.95221.09551.0955
H42.38611.09493.73604.61831.78081.78083.96673.9667
H52.38613.73601.09494.61833.96673.96671.78081.7808
H62.43721.09552.95221.78083.96671.79123.25712.7204
H72.43721.09552.95221.78083.96671.79122.72043.2571
H82.43722.95221.09553.96671.78083.25712.72041.7912
H92.43722.95221.09553.96671.78082.72043.25711.7912

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 107.364 S1 C2 H6 111.081
S1 C2 H7 111.081 S1 C3 H5 107.364
S1 C3 H8 111.081 S1 C3 H9 111.081
C2 S1 C3 98.865 H4 C2 H6 108.782
H4 C2 H7 108.782 H5 C3 H8 108.782
H5 C3 H9 108.782 H6 C2 H7 109.670
H8 C3 H9 109.670
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.171      
2 C -0.797      
3 C -0.797      
4 H 0.245      
5 H 0.245      
6 H 0.233      
7 H 0.233      
8 H 0.233      
9 H 0.233      


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 -28.568 0.000 0.000
y 0.000 -23.709 0.000
z 0.000 0.000 -28.182
Traceless
 xyz
x -2.622 0.000 0.000
y 0.000 4.666 0.000
z 0.000 0.000 -2.044
Polar
3z2-r2-4.088
x2-y2-4.859
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.101 0.000 0.000
y 0.000 6.495 0.000
z 0.000 0.000 5.247


<r2> (average value of r2) Å2
<r2> 76.493
(<r2>)1/2 8.746