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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-477.301125
Energy at 298.15K 
HF Energy-476.754885
Nuclear repulsion energy110.862928
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 CCD/6-31G(2df,p)
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 3207 3038 7.09      
2 A1 3099 2935 20.15      
3 A1 1524 1443 0.09      
4 A1 1409 1335 1.18      
5 A1 1077 1020 13.35      
6 A1 728 689 2.66      
7 A1 270 256 0.08      
8 A2 3194 3025 0.00      
9 A2 1500 1421 0.00      
10 A2 979 927 0.00      
11 A2 186 177 0.00      
12 B1 3188 3020 17.38      
13 B1 1511 1431 12.64      
14 B1 1014 961 5.25      
15 B1 194 184 0.88      
16 B2 3207 3038 1.95      
17 B2 3102 2938 18.46      
18 B2 1516 1436 14.05      
19 B2 1385 1312 6.36      
20 B2 936 887 0.46      
21 B2 783 741 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17004.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 16106.5 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 CCD/6-31G(2df,p)
ABC
0.58734 0.25435 0.19034

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.371 -0.516
C3 0.000 -1.371 -0.516
H4 0.000 2.298 0.058
H5 0.000 -2.298 0.058
H6 0.892 1.345 -1.143
H7 -0.892 1.345 -1.143
H8 -0.892 -1.345 -1.143
H9 0.892 -1.345 -1.143

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80981.80982.37652.37652.42402.42402.42402.4240
C21.80982.74271.08983.71371.09081.09082.92742.9274
C31.80982.74273.71371.08982.92742.92741.09081.0908
H42.37651.08983.71374.59541.77371.77373.93843.9384
H52.37653.71371.08984.59543.93843.93841.77371.7737
H62.42401.09082.92741.77373.93841.78363.22812.6907
H72.42401.09082.92741.77373.93841.78362.69073.2281
H82.42402.92741.09083.93841.77373.22812.69071.7836
H92.42402.92741.09083.93841.77372.69073.22811.7836

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 107.482 S1 C2 H6 110.938
S1 C2 H7 110.938 S1 C3 H5 107.482
S1 C3 H8 110.938 S1 C3 H9 110.938
C2 S1 C3 98.533 H4 C2 H6 108.864
H4 C2 H7 108.864 H5 C3 H8 108.864
H5 C3 H9 108.864 H6 C2 H7 109.684
H8 C3 H9 109.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability