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

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-477.418882
Energy at 298.15K 
HF Energy-476.803158
Nuclear repulsion energy110.678278
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 QCISD(T)/aug-cc-pVTZ
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 3135 3031        
2 A1 3030 2930        
3 A1 1498 1448        
4 A1 1370 1324        
5 A1 1054 1019        
6 A1 705 681        
7 A1 262 253        
8 A2 3118 3014        
9 A2 1475 1426        
10 A2 961 929        
11 A2 180 174        
12 B1 3110 3007        
13 B1 1485 1435        
14 B1 995 962        
15 B1 189 183        
16 B2 3136 3032        
17 B2 3035 2934        
18 B2 1490 1440        
19 B2 1347 1302        
20 B2 918 887        
21 B2 757 732        

Unscaled Zero Point Vibrational Energy (zpe) 16623.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 16071.7 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 QCISD(T)/aug-cc-pVTZ
ABC
0.58031 0.25479 0.18991

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.670
C2 0.000 1.371 -0.520
C3 0.000 -1.371 -0.520
H4 0.000 2.299 0.052
H5 0.000 -2.299 0.052
H6 0.894 1.335 -1.145
H7 -0.894 1.335 -1.145
H8 -0.894 -1.335 -1.145
H9 0.894 -1.335 -1.145

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81551.81552.38052.38052.42422.42422.42422.4242
C21.81552.74181.09043.71431.09161.09162.91732.9173
C31.81552.74183.71431.09042.91732.91731.09161.0916
H42.38051.09043.71434.59801.77861.77863.92913.9291
H52.38053.71431.09044.59803.92913.92911.77861.7786
H62.42421.09162.91731.77863.92911.78823.21312.6695
H72.42421.09162.91731.77863.92911.78822.66953.2131
H82.42422.91731.09163.92911.77863.21312.66951.7882
H92.42422.91731.09163.92911.77862.66953.21311.7882

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 107.369 S1 C2 H6 110.516
S1 C2 H7 110.516 S1 C3 H5 107.369
S1 C3 H8 110.516 S1 C3 H9 110.516
C2 S1 C3 98.071 H4 C2 H6 109.200
H4 C2 H7 109.200 H5 C3 H8 109.200
H5 C3 H9 109.200 H6 C2 H7 109.984
H8 C3 H9 109.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability