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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-474.767694
Energy at 298.15K 
HF Energy-474.456543
Nuclear repulsion energy110.366821
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 CID/3-21G*
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 3194 2972 10.29      
2 A1 3110 2894 24.08      
3 A1 1603 1492 0.71      
4 A1 1491 1388 0.51      
5 A1 1133 1055 19.69      
6 A1 709 660 3.02      
7 A1 280 260 0.04      
8 A2 3184 2963 0.00      
9 A2 1580 1470 0.00      
10 A2 1037 965 0.00      
11 A2 195 181 0.00      
12 B1 3180 2959 29.64      
13 B1 1589 1479 20.90      
14 B1 1071 996 8.53      
15 B1 194 180 1.12      
16 B2 3194 2972 4.23      
17 B2 3110 2894 22.11      
18 B2 1595 1484 18.93      
19 B2 1470 1367 1.02      
20 B2 996 927 0.31      
21 B2 762 709 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 17338.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 16133.8 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 CID/3-21G*
ABC
0.58356 0.25134 0.18826

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.668
C2 0.000 1.381 -0.518
C3 0.000 -1.381 -0.518
H4 0.000 2.309 0.056
H5 0.000 -2.309 0.056
H6 0.892 1.353 -1.146
H7 -0.892 1.353 -1.146
H8 -0.892 -1.353 -1.146
H9 0.892 -1.353 -1.146

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81971.81972.38842.38842.43262.43262.43262.4326
C21.81972.76101.09143.73371.09171.09172.94342.9434
C31.81972.76103.73371.09142.94342.94341.09171.0917
H42.38841.09143.73374.61751.77651.77653.95613.9561
H52.38843.73371.09144.61753.95613.95611.77651.7765
H62.43261.09172.94341.77653.95611.78423.24132.7061
H72.43261.09172.94341.77653.95611.78422.70613.2413
H82.43262.94341.09173.95611.77653.24132.70611.7842
H92.43262.94341.09173.95611.77652.70613.24131.7842

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 107.613 S1 C2 H6 110.859
S1 C2 H7 110.859 S1 C3 H5 107.613
S1 C3 H8 110.859 S1 C3 H9 110.859
C2 S1 C3 98.693 H4 C2 H6 108.923
H4 C2 H7 108.923 H5 C3 H8 108.923
H5 C3 H9 108.923 H6 C2 H7 109.603
H8 C3 H9 109.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability