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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-472.665663
Energy at 298.15K 
HF Energy-472.665663
Nuclear repulsion energy109.865959
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/STO-3G
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 3469 3096 2.32 46.48 0.69 0.82
2 A1 3279 2926 4.42 89.19 0.00 0.01
3 A1 1693 1511 0.60 28.35 0.74 0.85
4 A1 1560 1392 0.09 3.50 0.63 0.77
5 A1 1142 1019 14.97 6.60 0.63 0.77
6 A1 817 729 0.53 14.03 0.17 0.29
7 A1 307 274 0.08 1.26 0.54 0.70
8 A2 3439 3069 0.00 6.08 0.75 0.86
9 A2 1674 1494 0.00 36.36 0.75 0.86
10 A2 1050 937 0.00 5.00 0.75 0.86
11 A2 178 159 0.00 0.09 0.75 0.86
12 B1 3436 3066 13.09 48.43 0.75 0.86
13 B1 1675 1495 8.94 0.41 0.75 0.86
14 B1 1080 964 1.99 4.36 0.75 0.86
15 B1 174 155 0.60 0.00 0.75 0.86
16 B2 3468 3095 0.01 24.79 0.75 0.86
17 B2 3280 2927 4.76 0.05 0.75 0.86
18 B2 1690 1508 10.28 0.03 0.75 0.86
19 B2 1532 1367 10.29 5.23 0.75 0.86
20 B2 1017 908 0.27 1.31 0.75 0.86
21 B2 863 770 0.08 7.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18410.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 16429.8 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/STO-3G
ABC
0.56339 0.25388 0.18752

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.683
C2 0.000 1.369 -0.525
C3 0.000 -1.369 -0.525
H4 0.000 2.319 0.031
H5 0.000 -2.319 0.031
H6 0.893 1.351 -1.172
H7 -0.893 1.351 -1.172
H8 -0.893 -1.351 -1.172
H9 0.893 -1.351 -1.172

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82541.82542.40862.40862.46232.46232.46232.4623
C21.82542.73831.10013.72941.10271.10272.93552.9355
C31.82542.73833.72941.10012.93552.93551.10271.1027
H42.40861.10013.72944.63741.78301.78303.96393.9639
H52.40863.72941.10014.63743.96393.96391.78301.7830
H62.46231.10272.93551.78303.96391.78513.23912.7028
H72.46231.10272.93551.78303.96391.78512.70283.2391
H82.46232.93551.10273.96391.78303.23912.70281.7851
H92.46232.93551.10273.96391.78302.70283.23911.7851

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 108.265 S1 C2 H6 112.098
S1 C2 H7 112.098 S1 C3 H5 108.265
S1 C3 H8 112.098 S1 C3 H9 112.098
C2 S1 C3 97.186 H4 C2 H6 108.078
H4 C2 H7 108.078 H5 C3 H8 108.078
H5 C3 H9 108.078 H6 C2 H7 108.074
H8 C3 H9 108.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.156      
2 C -0.306      
3 C -0.306      
4 H 0.080      
5 H 0.080      
6 H 0.074      
7 H 0.074      
8 H 0.074      
9 H 0.074      


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 -0.792 0.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.243 0.000 0.000
y 0.000 -23.352 0.000
z 0.000 0.000 -25.266
Traceless
 xyz
x -0.934 0.000 0.000
y 0.000 1.902 0.000
z 0.000 0.000 -0.968
Polar
3z2-r2-1.937
x2-y2-1.891
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.720 0.000 0.000
y 0.000 3.814 0.000
z 0.000 0.000 2.632


<r2> (average value of r2) Å2
<r2> 75.373
(<r2>)1/2 8.682