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

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-477.292574
Energy at 298.15K 
HF Energy-476.796321
Nuclear repulsion energy111.687506
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/6-311+G(3df,2p)
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 3231 2978 11.11      
2 A1 3130 2885 28.97      
3 A1 1554 1433 0.80      
4 A1 1437 1325 0.48      
5 A1 1099 1013 10.72      
6 A1 746 688 2.37      
7 A1 275 254 0.03      
8 A2 3214 2963 0.00      
9 A2 1530 1410 0.00      
10 A2 999 921 0.00      
11 A2 189 174 0.00      
12 B1 3208 2957 23.38      
13 B1 1540 1419 14.26      
14 B1 1034 953 3.48      
15 B1 199 183 0.82      
16 B2 3231 2978 3.33      
17 B2 3132 2887 27.83      
18 B2 1547 1426 14.49      
19 B2 1413 1303 4.62      
20 B2 952 877 0.18      
21 B2 806 743 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17232.5 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 15884.9 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/6-311+G(3df,2p)
ABC
0.60420 0.25603 0.19284

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.655
C2 0.000 1.367 -0.507
C3 0.000 -1.367 -0.507
H4 0.000 2.283 0.069
H5 0.000 -2.283 0.069
H6 0.886 1.347 -1.131
H7 -0.886 1.347 -1.131
H8 -0.886 -1.347 -1.131
H9 0.886 -1.347 -1.131

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.79411.79412.35722.35722.40572.40572.40572.4057
C21.79412.73431.08243.69571.08351.08352.92232.9223
C31.79412.73433.69571.08242.92232.92231.08351.0835
H42.35721.08243.69574.56661.76121.76123.92483.9248
H52.35723.69571.08244.56663.92483.92481.76121.7612
H62.40571.08352.92231.76123.92481.77123.22412.6940
H72.40571.08352.92231.76123.92481.77122.69403.2241
H82.40572.92231.08353.92481.76123.22412.69401.7712
H92.40572.92231.08353.92481.76122.69403.22411.7712

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 107.468 S1 C2 H6 111.022
S1 C2 H7 111.022 S1 C3 H5 107.468
S1 C3 H8 111.022 S1 C3 H9 111.022
C2 S1 C3 99.283 H4 C2 H6 108.807
H4 C2 H7 108.807 H5 C3 H8 108.807
H5 C3 H9 108.807 H6 C2 H7 109.639
H8 C3 H9 109.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability