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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-477.995754
Energy at 298.15K 
HF Energy-477.995754
Nuclear repulsion energy110.674771
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 mPW1PW91/6-31G*
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 3186 3022 10.23 102.57 0.68 0.81
2 A1 3077 2918 31.77 237.64 0.00 0.00
3 A1 1521 1443 0.20 29.90 0.75 0.86
4 A1 1411 1338 1.79 4.88 0.22 0.37
5 A1 1081 1025 21.78 7.68 0.56 0.72
6 A1 717 680 3.46 14.98 0.18 0.30
7 A1 265 252 0.06 2.24 0.61 0.76
8 A2 3167 3003 0.00 15.60 0.75 0.86
9 A2 1497 1420 0.00 41.09 0.75 0.86
10 A2 979 928 0.00 7.65 0.75 0.86
11 A2 187 177 0.00 0.11 0.75 0.86
12 B1 3160 2997 29.44 122.96 0.75 0.86
13 B1 1507 1429 19.93 0.00 0.75 0.86
14 B1 1017 965 9.76 6.38 0.75 0.86
15 B1 187 177 1.28 0.02 0.75 0.86
16 B2 3187 3023 2.96 55.49 0.75 0.86
17 B2 3080 2921 27.00 0.67 0.75 0.86
18 B2 1512 1434 22.19 0.07 0.75 0.86
19 B2 1385 1313 3.01 7.49 0.75 0.86
20 B2 936 887 0.35 3.47 0.75 0.86
21 B2 772 732 0.02 8.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16915.7 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 16041.2 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 mPW1PW91/6-31G*
ABC
0.59531 0.25085 0.18922

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.659
C2 0.000 1.381 -0.511
C3 0.000 -1.381 -0.511
H4 0.000 2.302 0.075
H5 0.000 -2.302 0.075
H6 0.893 1.369 -1.141
H7 -0.893 1.369 -1.141
H8 -0.893 -1.369 -1.141
H9 0.893 -1.369 -1.141

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80961.80962.37462.37462.43162.43162.43162.4316
C21.80962.76141.09183.72891.09331.09332.95902.9590
C31.80962.76143.72891.09182.95902.95901.09331.0933
H42.37461.09183.72894.60361.77441.77443.96893.9689
H52.37463.72891.09184.60363.96893.96891.77441.7744
H62.43161.09332.95901.77443.96891.78623.26902.7378
H72.43161.09332.95901.77443.96891.78622.73783.2690
H82.43162.95901.09333.96891.77443.26902.73781.7862
H92.43162.95901.09333.96891.77442.73783.26901.7862

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 107.253 S1 C2 H6 111.382
S1 C2 H7 111.382 S1 C3 H5 107.253
S1 C3 H8 111.382 S1 C3 H9 111.382
C2 S1 C3 99.457 H4 C2 H6 108.588
H4 C2 H7 108.588 H5 C3 H8 108.588
H5 C3 H9 108.588 H6 C2 H7 109.542
H8 C3 H9 109.542
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.110      
2 C -0.667      
3 C -0.667      
4 H 0.211      
5 H 0.211      
6 H 0.200      
7 H 0.200      
8 H 0.200      
9 H 0.200      


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 -1.763 1.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.382 0.000 0.000
y 0.000 -23.494 0.000
z 0.000 0.000 -28.049
Traceless
 xyz
x -2.610 0.000 0.000
y 0.000 4.721 0.000
z 0.000 0.000 -2.111
Polar
3z2-r2-4.222
x2-y2-4.887
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.491 0.000 0.000
y 0.000 6.746 0.000
z 0.000 0.000 5.495


<r2> (average value of r2) Å2
<r2> 76.100
(<r2>)1/2 8.724