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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-478.013823
Energy at 298.15K 
HF Energy-478.013823
Nuclear repulsion energy109.908338
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 3152 3027 13.18 102.70 0.67 0.80
2 A1 3052 2931 33.68 233.60 0.00 0.00
3 A1 1519 1458 0.02 30.74 0.75 0.86
4 A1 1403 1348 3.25 5.11 0.22 0.36
5 A1 1072 1029 19.64 8.28 0.58 0.74
6 A1 687 660 3.29 16.16 0.17 0.30
7 A1 262 251 0.06 2.31 0.61 0.75
8 A2 3132 3008 0.00 15.70 0.75 0.86
9 A2 1495 1435 0.00 42.10 0.75 0.86
10 A2 971 932 0.00 8.23 0.75 0.86
11 A2 185 178 0.00 0.10 0.75 0.86
12 B1 3126 3002 36.31 121.56 0.75 0.86
13 B1 1504 1444 15.81 0.00 0.75 0.86
14 B1 1008 968 8.50 6.94 0.75 0.86
15 B1 182 175 1.10 0.01 0.75 0.86
16 B2 3153 3028 4.80 55.84 0.75 0.86
17 B2 3054 2933 28.46 0.68 0.75 0.86
18 B2 1510 1450 19.99 0.08 0.75 0.86
19 B2 1377 1323 7.14 7.27 0.75 0.86
20 B2 929 892 0.23 3.56 0.75 0.86
21 B2 739 710 0.13 8.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16755.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 16090.4 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
0.58767 0.24667 0.18612

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 0.664
C2 0.000 1.394 -0.515
C3 0.000 -1.394 -0.515
H4 0.000 2.314 0.074
H5 0.000 -2.314 0.074
H6 0.894 1.381 -1.146
H7 -0.894 1.381 -1.146
H8 -0.894 -1.381 -1.146
H9 0.894 -1.381 -1.146

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82571.82572.38832.38832.44612.44612.44612.4461
C21.82572.78781.09333.75501.09471.09472.98292.9829
C31.82572.78783.75501.09332.98292.98291.09471.0947
H42.38831.09333.75504.62891.77821.77823.99323.9932
H52.38833.75501.09334.62893.99323.99321.77821.7782
H62.44611.09472.98291.77823.99321.78903.29052.7617
H72.44611.09472.98291.77823.99321.78902.76173.2905
H82.44612.98291.09473.99321.77823.29052.76171.7890
H92.44612.98291.09473.99321.77822.76173.29051.7890

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 107.125 S1 C2 H6 111.293
S1 C2 H7 111.293 S1 C3 H5 107.125
S1 C3 H8 111.293 S1 C3 H9 111.293
C2 S1 C3 99.544 H4 C2 H6 108.725
H4 C2 H7 108.725 H5 C3 H8 108.725
H5 C3 H9 108.725 H6 C2 H7 109.585
H8 C3 H9 109.585
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 0.090      
2 C -0.578      
3 C -0.578      
4 H 0.183      
5 H 0.183      
6 H 0.175      
7 H 0.175      
8 H 0.175      
9 H 0.175      


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 -1.722 1.722
CHELPG 0.000 0.000 -1.684 1.684
AIM 0.000 0.000 -0.611 0.611
ESP 0.028 0.000 -1.729 1.730


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.518 0.000 0.000
y 0.000 -23.698 0.000
z 0.000 0.000 -28.148
Traceless
 xyz
x -2.596 0.000 0.000
y 0.000 4.635 0.000
z 0.000 0.000 -2.040
Polar
3z2-r2-4.080
x2-y2-4.821
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.490 0.000 0.000
y 0.000 6.859 0.000
z 0.000 0.000 5.547


<r2> (average value of r2) Å2
<r2> 77.092
(<r2>)1/2 8.780