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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-478.011800
Energy at 298.15K 
HF Energy-478.011800
Nuclear repulsion energy110.780930
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 B1B95/aug-cc-pVDZ
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 3174 3041 10.76 97.23 0.65 0.79
2 A1 3056 2928 33.65 352.34 0.00 0.00
3 A1 1450 1389 0.68 8.06 0.75 0.86
4 A1 1333 1277 0.39 0.53 0.46 0.63
5 A1 1035 991 9.74 0.41 0.07 0.14
6 A1 713 683 3.10 19.29 0.08 0.16
7 A1 255 244 0.06 3.30 0.63 0.78
8 A2 3153 3020 0.00 22.16 0.75 0.86
9 A2 1427 1367 0.00 11.20 0.75 0.86
10 A2 932 893 0.00 0.25 0.75 0.86
11 A2 174 166 0.00 0.13 0.75 0.86
12 B1 3145 3013 25.25 133.43 0.75 0.86
13 B1 1438 1377 14.57 0.03 0.75 0.86
14 B1 969 928 4.60 0.00 0.75 0.86
15 B1 174 166 0.95 0.08 0.75 0.86
16 B2 3175 3042 2.84 49.96 0.75 0.86
17 B2 3060 2931 28.97 5.48 0.75 0.86
18 B2 1441 1380 15.55 0.15 0.75 0.86
19 B2 1306 1251 4.41 0.44 0.75 0.86
20 B2 893 856 0.45 0.37 0.75 0.86
21 B2 766 734 0.07 7.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16533.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 15837.8 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 B1B95/aug-cc-pVDZ
ABC
0.59338 0.25240 0.19001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.660
C2 0.000 1.376 -0.512
C3 0.000 -1.376 -0.512
H4 0.000 2.300 0.074
H5 0.000 -2.300 0.074
H6 0.896 1.357 -1.141
H7 -0.896 1.357 -1.141
H8 -0.896 -1.357 -1.141
H9 0.896 -1.357 -1.141

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80771.80772.37372.37372.42682.42682.42682.4268
C21.80772.75251.09393.72271.09521.09522.94482.9448
C31.80772.75253.72271.09392.94482.94481.09521.0952
H42.37371.09393.72274.60021.77981.77983.95683.9568
H52.37373.72271.09394.60023.95683.95681.77981.7798
H62.42681.09522.94481.77983.95681.79293.25342.7148
H72.42681.09522.94481.77983.95681.79292.71483.2534
H82.42682.94481.09523.95681.77983.25342.71481.7929
H92.42682.94481.09523.95681.77982.71483.25341.7929

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 107.209 S1 C2 H6 111.051
S1 C2 H7 111.051 S1 C3 H5 107.209
S1 C3 H8 111.051 S1 C3 H9 111.051
C2 S1 C3 99.167 H4 C2 H6 108.787
H4 C2 H7 108.787 H5 C3 H8 108.787
H5 C3 H9 108.787 H6 C2 H7 109.866
H8 C3 H9 109.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.277      
2 C 0.398      
3 C 0.398      
4 H -0.216      
5 H -0.216      
6 H -0.160      
7 H -0.160      
8 H -0.160      
9 H -0.160      


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 -1.633 1.633
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.764 0.000 0.000
y 0.000 -24.069 0.000
z 0.000 0.000 -28.518
Traceless
 xyz
x -2.471 0.000 0.000
y 0.000 4.572 0.000
z 0.000 0.000 -2.102
Polar
3z2-r2-4.203
x2-y2-4.695
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.175 0.000 0.000
y 0.000 8.472 0.000
z 0.000 0.000 7.200


<r2> (average value of r2) Å2
<r2> 76.165
(<r2>)1/2 8.727