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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-478.022320
Energy at 298.15K 
HF Energy-478.022320
Nuclear repulsion energy109.956087
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 B3LYP/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 3151 3027 12.71 100.74 0.67 0.80
2 A1 3046 2927 32.07 242.28 0.00 0.00
3 A1 1503 1444 0.02 29.63 0.75 0.86
4 A1 1387 1333 3.00 5.03 0.20 0.33
5 A1 1064 1022 18.57 7.86 0.57 0.73
6 A1 686 659 3.20 16.23 0.17 0.29
7 A1 262 251 0.06 2.33 0.60 0.75
8 A2 3132 3009 0.00 15.59 0.75 0.86
9 A2 1478 1420 0.00 40.87 0.75 0.86
10 A2 962 924 0.00 7.63 0.75 0.86
11 A2 185 177 0.00 0.10 0.75 0.86
12 B1 3126 3003 34.41 118.39 0.75 0.86
13 B1 1488 1430 15.00 0.00 0.75 0.86
14 B1 999 960 7.84 6.59 0.75 0.86
15 B1 182 175 1.10 0.01 0.75 0.86
16 B2 3152 3028 4.01 55.08 0.75 0.86
17 B2 3049 2929 27.36 0.70 0.75 0.86
18 B2 1494 1435 19.11 0.08 0.75 0.86
19 B2 1361 1308 7.10 6.84 0.75 0.86
20 B2 921 885 0.25 3.51 0.75 0.86
21 B2 738 709 0.10 8.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16682.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 16028.7 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 B3LYP/6-31G**
ABC
0.58906 0.24658 0.18619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.663
C2 0.000 1.394 -0.515
C3 0.000 -1.394 -0.515
H4 0.000 2.313 0.076
H5 0.000 -2.313 0.076
H6 0.894 1.382 -1.145
H7 -0.894 1.382 -1.145
H8 -0.894 -1.382 -1.145
H9 0.894 -1.382 -1.145

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82531.82532.38592.38592.44432.44432.44432.4443
C21.82532.78891.09213.75401.09361.09362.98362.9836
C31.82532.78893.75401.09212.98362.98361.09361.0936
H42.38591.09213.75404.62531.77681.77683.99213.9921
H52.38593.75401.09214.62533.99213.99211.77681.7768
H62.44431.09362.98361.77683.99211.78813.29122.7631
H72.44431.09362.98361.77683.99211.78812.76313.2912
H82.44432.98361.09363.99211.77683.29122.76311.7881
H92.44432.98361.09363.99211.77682.76313.29121.7881

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 107.034 S1 C2 H6 111.253
S1 C2 H7 111.253 S1 C3 H5 107.034
S1 C3 H8 111.253 S1 C3 H9 111.253
C2 S1 C3 99.630 H4 C2 H6 108.763
H4 C2 H7 108.763 H5 C3 H8 108.763
H5 C3 H9 108.763 H6 C2 H7 109.680
H8 C3 H9 109.680
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.084      
2 C -0.455      
3 C -0.455      
4 H 0.143      
5 H 0.143      
6 H 0.135      
7 H 0.135      
8 H 0.135      
9 H 0.135      


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 -1.718 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.502 0.000 0.000
y 0.000 -23.688 0.000
z 0.000 0.000 -28.153
Traceless
 xyz
x -2.581 0.000 0.000
y 0.000 4.640 0.000
z 0.000 0.000 -2.058
Polar
3z2-r2-4.116
x2-y2-4.814
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.549 0.000 0.000
y 0.000 6.954 0.000
z 0.000 0.000 5.606


<r2> (average value of r2) Å2
<r2> 77.053
(<r2>)1/2 8.778