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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-24.339073
Energy at 298.15K 
HF Energy-24.339073
Nuclear repulsion energy43.089894
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 HF/CEP-121G
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 3305 3016 23.32 105.85 0.70 0.83
2 A1 3175 2897 47.26 268.66 0.00 0.00
3 A1 1617 1476 0.95 28.22 0.72 0.84
4 A1 1509 1377 3.71 0.66 0.21 0.35
5 A1 1156 1055 24.49 11.72 0.48 0.65
6 A1 700 638 5.02 58.17 0.16 0.27
7 A1 263 240 0.07 3.40 0.62 0.77
8 A2 3291 3003 0.00 14.26 0.75 0.86
9 A2 1599 1459 0.00 35.77 0.75 0.86
10 A2 1057 964 0.00 12.01 0.75 0.86
11 A2 160 146 0.00 0.25 0.75 0.86
12 B1 3289 3001 63.01 120.81 0.75 0.86
13 B1 1608 1467 23.95 0.37 0.75 0.86
14 B1 1089 994 6.02 7.07 0.75 0.86
15 B1 170 155 1.43 0.08 0.75 0.86
16 B2 3305 3016 11.28 57.99 0.75 0.86
17 B2 3175 2897 54.96 0.14 0.75 0.86
18 B2 1608 1467 15.24 0.02 0.75 0.86
19 B2 1482 1352 9.39 0.18 0.75 0.86
20 B2 1016 927 0.02 3.15 0.75 0.86
21 B2 764 697 2.88 33.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17668.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 16122.2 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 HF/CEP-121G
ABC
0.57457 0.23605 0.17858

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.674
C2 0.000 1.433 -0.527
C3 0.000 -1.433 -0.527
H4 0.000 2.338 0.065
H5 0.000 -2.338 0.065
H6 0.888 1.404 -1.145
H7 -0.888 1.404 -1.145
H8 -0.888 -1.404 -1.145
H9 0.888 -1.404 -1.145

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.86951.86952.41572.41572.46302.46302.46302.4630
C21.86952.86581.08123.81681.08221.08223.03593.0359
C31.86952.86583.81681.08123.03593.03591.08221.0822
H42.41571.08123.81684.67551.76761.76764.03124.0312
H52.41573.81681.08124.67554.03124.03121.76761.7676
H62.46301.08223.03591.76764.03121.77633.32222.8074
H72.46301.08223.03591.76764.03121.77632.80743.3222
H82.46303.03591.08224.03121.76763.32222.80741.7763
H92.46303.03591.08224.03121.76762.80743.32221.7763

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 106.844 S1 C2 H6 110.239
S1 C2 H7 110.239 S1 C3 H5 106.844
S1 C3 H8 110.239 S1 C3 H9 110.239
C2 S1 C3 100.072 H4 C2 H6 109.576
H4 C2 H7 109.576 H5 C3 H8 109.576
H5 C3 H9 109.576 H6 C2 H7 110.300
H8 C3 H9 110.300
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.189      
2 C -0.631      
3 C -0.631      
4 H 0.187      
5 H 0.187      
6 H 0.175      
7 H 0.175      
8 H 0.175      
9 H 0.175      


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 -2.214 2.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.362 0.000 0.000
y 0.000 -23.133 0.000
z 0.000 0.000 -28.700
Traceless
 xyz
x -2.446 0.000 0.000
y 0.000 5.398 0.000
z 0.000 0.000 -2.952
Polar
3z2-r2-5.904
x2-y2-5.229
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.455 0.000 0.000
y 0.000 7.533 0.000
z 0.000 0.000 5.856


<r2> (average value of r2) Å2
<r2> 65.287
(<r2>)1/2 8.080