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

using model chemistry: QCISD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-477.380645
Energy at 298.15K 
HF Energy-476.799125
Nuclear repulsion energy111.120184
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/Def2TZVPP
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 3159 3159 11.80      
2 A1 3058 3058 29.27      
3 A1 1509 1509 0.43      
4 A1 1390 1390 0.64      
5 A1 1064 1064 9.34      
6 A1 718 718 2.24      
7 A1 266 266 0.02      
8 A2 3141 3141 0.00      
9 A2 1484 1484 0.00      
10 A2 966 966 0.00      
11 A2 178 178 0.00      
12 B1 3135 3135 29.37      
13 B1 1493 1493 13.31      
14 B1 1001 1001 3.78      
15 B1 189 189 0.93      
16 B2 3159 3159 4.68      
17 B2 3061 3061 26.62      
18 B2 1501 1501 13.75      
19 B2 1366 1366 5.65      
20 B2 921 921 0.09      
21 B2 773 773 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16764.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16764.9 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 QCISD/Def2TZVPP
ABC
0.59010 0.25559 0.19128

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.664
C2 0.000 1.368 -0.514
C3 0.000 -1.368 -0.514
H4 0.000 2.292 0.059
H5 0.000 -2.292 0.059
H6 0.890 1.341 -1.141
H7 -0.890 1.341 -1.141
H8 -0.890 -1.341 -1.141
H9 0.890 -1.341 -1.141

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80521.80522.37082.37082.41832.41832.41832.4183
C21.80522.73601.08793.70511.08911.08912.91992.9199
C31.80522.73603.70511.08792.91992.91991.08911.0891
H42.37081.08793.70514.58491.77141.77143.92913.9291
H52.37083.70511.08794.58493.92913.92911.77141.7714
H62.41831.08912.91991.77143.92911.78083.21992.6827
H72.41831.08912.91991.77143.92911.78082.68273.2199
H82.41832.91991.08913.92911.77143.21992.68271.7808
H92.41832.91991.08913.92911.77142.68273.21991.7808

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 107.452 S1 C2 H6 110.906
S1 C2 H7 110.906 S1 C3 H5 107.452
S1 C3 H8 110.906 S1 C3 H9 110.906
C2 S1 C3 98.539 H4 C2 H6 108.911
H4 C2 H7 108.911 H5 C3 H8 108.911
H5 C3 H9 108.911 H6 C2 H7 109.685
H8 C3 H9 109.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability