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

using model chemistry: CISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at CISD/6-31G**
 hartrees
Energy at 0K-477.157481
Energy at 298.15K-477.163703
Nuclear repulsion energy111.143448
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 CISD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3278 3007 14.16      
2 A1 3170 2909 30.41      
3 A1 1576 1446 0.01      
4 A1 1473 1352 2.80      
5 A1 1121 1028 16.88      
6 A1 748 686 2.67      
7 A1 282 259 0.00      
8 A2 3263 2994 0.00      
9 A2 1548 1420 0.00      
10 A2 1021 937 0.00      
11 A2 184 169 0.00      
12 B1 3258 2990 34.78      
13 B1 1559 1430 13.77      
14 B1 1058 971 5.06      
15 B1 194 178 0.91      
16 B2 3278 3008 5.76      
17 B2 3172 2911 28.11      
18 B2 1567 1438 16.13      
19 B2 1448 1328 6.78      
20 B2 975 895 0.01      
21 B2 806 740 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 17489.8 cm-1
Scaled (by 0.9176) Zero Point Vibrational Energy (zpe) 16048.6 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 CISD/6-31G**
ABC
0.59566 0.25389 0.19076

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.660
C2 0.000 1.373 -0.512
C3 0.000 -1.373 -0.512
H4 0.000 2.293 0.062
H5 0.000 -2.293 0.062
H6 0.886 1.355 -1.138
H7 -0.886 1.355 -1.138
H8 -0.886 -1.355 -1.138
H9 0.886 -1.355 -1.138

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80511.80512.36932.36932.41922.41922.41922.4192
C21.80512.74601.08383.71021.08491.08492.93542.9354
C31.80512.74603.71021.08382.93542.93541.08491.0849
H42.36931.08383.71024.58511.76181.76183.94033.9403
H52.36933.71021.08384.58513.94033.94031.76181.7618
H62.41921.08492.93541.76183.94031.77133.23692.7092
H72.41921.08492.93541.76183.94031.77132.70923.2369
H82.41922.93541.08493.94031.76183.23692.70921.7713
H92.41922.93541.08493.94031.76182.70923.23691.7713

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 107.557 S1 C2 H6 111.213
S1 C2 H7 111.213 S1 C3 H5 107.557
S1 C3 H8 111.213 S1 C3 H9 111.213
C2 S1 C3 99.038 H4 C2 H6 108.661
H4 C2 H7 108.661 H5 C3 H8 108.661
H5 C3 H9 108.661 H6 C2 H7 109.452
H8 C3 H9 109.452
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability