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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-478.006187
Energy at 298.15K 
HF Energy-478.006187
Nuclear repulsion energy110.715716
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 mPW1PW91/6-31+G**
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 3180 3026 9.76 110.92 0.65 0.79
2 A1 3066 2918 36.01 270.46 0.00 0.00
3 A1 1495 1423 0.87 17.20 0.72 0.84
4 A1 1389 1322 1.31 1.41 0.74 0.85
5 A1 1068 1016 18.46 3.16 0.45 0.62
6 A1 715 680 3.30 18.60 0.12 0.21
7 A1 266 254 0.01 2.76 0.63 0.77
8 A2 3159 3006 0.00 18.60 0.75 0.86
9 A2 1471 1400 0.00 26.08 0.75 0.86
10 A2 965 919 0.00 2.82 0.75 0.86
11 A2 183 174 0.00 0.21 0.75 0.86
12 B1 3151 2999 25.95 145.78 0.75 0.86
13 B1 1480 1409 22.43 0.01 0.75 0.86
14 B1 1003 955 6.40 1.06 0.75 0.86
15 B1 186 178 1.39 0.00 0.75 0.86
16 B2 3181 3027 2.76 56.99 0.75 0.86
17 B2 3069 2921 30.30 1.84 0.75 0.86
18 B2 1486 1414 22.37 0.01 0.75 0.86
19 B2 1363 1298 1.91 3.96 0.75 0.86
20 B2 924 880 0.15 2.47 0.75 0.86
21 B2 769 732 0.00 10.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16783.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 15974.5 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 mPW1PW91/6-31+G**
ABC
0.59644 0.25082 0.18932

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.658
C2 0.000 1.381 -0.510
C3 0.000 -1.381 -0.510
H4 0.000 2.301 0.076
H5 0.000 -2.301 0.076
H6 0.893 1.369 -1.140
H7 -0.893 1.369 -1.140
H8 -0.893 -1.369 -1.140
H9 0.893 -1.369 -1.140

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80901.80902.37312.37312.43022.43022.43022.4302
C21.80902.76181.09113.72811.09271.09272.95942.9594
C31.80902.76183.72811.09112.95942.95941.09271.0927
H42.37311.09113.72814.60151.77331.77333.96823.9682
H52.37313.72811.09114.60153.96823.96821.77331.7733
H62.43021.09272.95941.77333.96821.78633.26982.7387
H72.43021.09272.95941.77333.96821.78632.73873.2698
H82.43022.95941.09273.96821.77333.26982.73871.7863
H92.43022.95941.09273.96821.77332.73873.26981.7863

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 107.221 S1 C2 H6 111.350
S1 C2 H7 111.350 S1 C3 H5 107.221
S1 C3 H8 111.350 S1 C3 H9 111.350
C2 S1 C3 99.519 H4 C2 H6 108.586
H4 C2 H7 108.586 H5 C3 H8 108.586
H5 C3 H9 108.586 H6 C2 H7 109.642
H8 C3 H9 109.642
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.086      
2 C -0.628      
3 C -0.628      
4 H 0.200      
5 H 0.200      
6 H 0.192      
7 H 0.192      
8 H 0.192      
9 H 0.192      


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 -1.779 1.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.802 0.000 0.000
y 0.000 -23.933 0.000
z 0.000 0.000 -28.615
Traceless
 xyz
x -2.527 0.000 0.000
y 0.000 4.776 0.000
z 0.000 0.000 -2.248
Polar
3z2-r2-4.497
x2-y2-4.869
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.522 0.000 0.000
y 0.000 7.353 0.000
z 0.000 0.000 6.199


<r2> (average value of r2) Å2
<r2> 76.364
(<r2>)1/2 8.739