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

using model chemistry: CCSD(T)/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-477.450791
Energy at 298.15K 
HF Energy-476.812011
Nuclear repulsion energy111.053526
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 CCSD(T)/cc-pVQZ
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 3143 3048        
2 A1 3036 2944        
3 A1 1493 1448        
4 A1 1368 1327        
5 A1 1055 1023        
6 A1 713 691        
7 A1 264 256        
8 A2 3125 3030        
9 A2 1470 1426        
10 A2 958 929        
11 A2 181 176        
12 B1 3117 3023        
13 B1 1480 1435        
14 B1 993 962        
15 B1 185 179        
16 B2 3144 3048        
17 B2 3040 2948        
18 B2 1486 1441        
19 B2 1345 1304        
20 B2 915 887        
21 B2 767 744        

Unscaled Zero Point Vibrational Energy (zpe) 16637.8 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 16133.7 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 CCSD(T)/cc-pVQZ
ABC
0.58746 0.25583 0.19118

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.367 -0.516
C3 0.000 -1.367 -0.516
H4 0.000 2.293 0.057
H5 0.000 -2.293 0.057
H6 0.892 1.337 -1.142
H7 -0.892 1.337 -1.142
H8 -0.892 -1.337 -1.142
H9 0.892 -1.337 -1.142

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80701.80702.37282.37282.41832.41832.41832.4183
C21.80702.73501.08873.70541.08991.08992.91562.9156
C31.80702.73503.70541.08872.91562.91561.08991.0899
H42.37281.08873.70544.58681.77391.77393.92573.9257
H52.37283.70541.08874.58683.92573.92571.77391.7739
H62.41831.08992.91561.77393.92571.78373.21412.6738
H72.41831.08992.91561.77393.92571.78372.67383.2141
H82.41832.91561.08993.92571.77393.21412.67381.7837
H92.41832.91561.08993.92571.77392.67383.21411.7837

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 107.441 S1 C2 H6 110.738
S1 C2 H7 110.738 S1 C3 H5 107.441
S1 C3 H8 110.738 S1 C3 H9 110.738
C2 S1 C3 98.360 H4 C2 H6 109.022
H4 C2 H7 109.022 H5 C3 H8 109.022
H5 C3 H9 109.022 H6 C2 H7 109.818
H8 C3 H9 109.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability