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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-478.003788
Energy at 298.15K 
HF Energy-478.003788
Nuclear repulsion energy110.718686
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 3185 3031 9.76 100.97 0.68 0.81
2 A1 3071 2922 30.34 247.18 0.00 0.00
3 A1 1504 1431 0.19 28.97 0.75 0.86
4 A1 1393 1325 1.61 4.81 0.21 0.34
5 A1 1072 1020 20.54 7.28 0.55 0.71
6 A1 716 681 3.38 15.04 0.18 0.30
7 A1 265 252 0.06 2.25 0.61 0.76
8 A2 3166 3012 0.00 15.62 0.75 0.86
9 A2 1479 1407 0.00 40.09 0.75 0.86
10 A2 969 922 0.00 7.09 0.75 0.86
11 A2 186 177 0.00 0.11 0.75 0.86
12 B1 3159 3006 27.89 120.31 0.75 0.86
13 B1 1489 1417 18.96 0.00 0.75 0.86
14 B1 1008 959 9.02 6.06 0.75 0.86
15 B1 187 178 1.27 0.02 0.75 0.86
16 B2 3186 3032 2.36 55.06 0.75 0.86
17 B2 3074 2925 25.86 0.73 0.75 0.86
18 B2 1494 1421 21.26 0.08 0.75 0.86
19 B2 1367 1300 2.99 7.08 0.75 0.86
20 B2 927 882 0.38 3.47 0.75 0.86
21 B2 770 733 0.01 8.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16832.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16016.5 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
0.59708 0.25064 0.18927

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 0.658
C2 0.000 1.382 -0.510
C3 0.000 -1.382 -0.510
H4 0.000 2.300 0.078
H5 0.000 -2.300 0.078
H6 0.893 1.370 -1.139
H7 -0.893 1.370 -1.139
H8 -0.893 -1.370 -1.139
H9 0.893 -1.370 -1.139

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80911.80912.37202.37202.43002.43002.43002.4300
C21.80912.76311.09083.72841.09231.09232.96082.9608
C31.80912.76313.72841.09082.96082.96081.09231.0923
H42.37201.09083.72844.60031.77311.77313.96893.9689
H52.37203.72841.09084.60033.96893.96891.77311.7731
H62.43001.09232.96081.77313.96891.78553.27102.7407
H72.43001.09232.96081.77313.96891.78552.74073.2710
H82.43002.96081.09233.96891.77313.27102.74071.7855
H92.43002.96081.09233.96891.77312.74073.27101.7855

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 107.154 S1 C2 H6 111.350
S1 C2 H7 111.350 S1 C3 H5 107.154
S1 C3 H8 111.350 S1 C3 H9 111.350
C2 S1 C3 99.580 H4 C2 H6 108.622
H4 C2 H7 108.622 H5 C3 H8 108.622
H5 C3 H9 108.622 H6 C2 H7 109.637
H8 C3 H9 109.637
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 0.104      
2 C -0.547      
3 C -0.547      
4 H 0.172      
5 H 0.172      
6 H 0.162      
7 H 0.162      
8 H 0.162      
9 H 0.162      


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 -1.760 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.361 0.000 0.000
y 0.000 -23.481 0.000
z 0.000 0.000 -28.052
Traceless
 xyz
x -2.594 0.000 0.000
y 0.000 4.725 0.000
z 0.000 0.000 -2.131
Polar
3z2-r2-4.261
x2-y2-4.879
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.552 0.000 0.000
y 0.000 6.843 0.000
z 0.000 0.000 5.555


<r2> (average value of r2) Å2
<r2> 76.070
(<r2>)1/2 8.722