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

using model chemistry: CISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-477.170135
Energy at 298.15K 
HF Energy-476.771605
Nuclear repulsion energy111.070103
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/6-311G*
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 3219 2978 14.82      
2 A1 3120 2887 37.97      
3 A1 1556 1439 0.37      
4 A1 1464 1354 1.91      
5 A1 1114 1031 22.69      
6 A1 741 686 3.49      
7 A1 282 261 0.01      
8 A2 3204 2965 0.00      
9 A2 1529 1415 0.00      
10 A2 1013 937 0.00      
11 A2 183 169 0.00      
12 B1 3198 2959 39.23      
13 B1 1541 1426 19.19      
14 B1 1054 976 14.58      
15 B1 196 181 1.10      
16 B2 3219 2979 6.66      
17 B2 3120 2887 31.32      
18 B2 1546 1431 18.51      
19 B2 1438 1330 2.38      
20 B2 969 897 0.01      
21 B2 797 737 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 17251.1 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 15962.5 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/6-311G*
ABC
0.59348 0.25418 0.19080

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.661
C2 0.000 1.371 -0.512
C3 0.000 -1.371 -0.512
H4 0.000 2.295 0.062
H5 0.000 -2.295 0.062
H6 0.889 1.353 -1.140
H7 -0.889 1.353 -1.140
H8 -0.889 -1.353 -1.140
H9 0.889 -1.353 -1.140

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80511.80512.37172.37172.42192.42192.42192.4219
C21.80512.74281.08723.71081.08831.08832.93402.9340
C31.80512.74283.71081.08722.93402.93401.08831.0883
H42.37171.08723.71084.58941.76631.76633.94233.9423
H52.37173.71081.08724.58943.94233.94231.76631.7663
H62.42191.08832.93401.76633.94231.77823.23862.7067
H72.42191.08832.93401.76633.94231.77822.70673.2386
H82.42192.93401.08833.94231.76633.23862.70671.7782
H92.42192.93401.08833.94231.76632.70673.23861.7782

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 107.570 S1 C2 H6 111.233
S1 C2 H7 111.233 S1 C3 H5 107.570
S1 C3 H8 111.233 S1 C3 H9 111.233
C2 S1 C3 98.885 H4 C2 H6 108.570
H4 C2 H7 108.570 H5 C3 H8 108.570
H5 C3 H9 108.570 H6 C2 H7 109.570
H8 C3 H9 109.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability