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

using model chemistry: QCISD(T)/daug-cc-pVDZ

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)/daug-cc-pVDZ
 hartrees
Energy at 0K-477.283234
Energy at 298.15K 
HF Energy-476.764060
Nuclear repulsion energy109.554664
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)/daug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3126 3126        
2 A1 3014 3014        
3 A1 1462 1462        
4 A1 1346 1346        
5 A1 1036 1036        
6 A1 690 690        
7 A1 257 257        
8 A2 3107 3107        
9 A2 1441 1441        
10 A2 939 939        
11 A2 166 166        
12 B1 3099 3099        
13 B1 1452 1452        
14 B1 975 975        
15 B1 171 171        
16 B2 3127 3127        
17 B2 3017 3017        
18 B2 1453 1453        
19 B2 1318 1318        
20 B2 900 900        
21 B2 741 741        

Unscaled Zero Point Vibrational Energy (zpe) 16418.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16418.5 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 QCISD(T)/daug-cc-pVDZ
ABC
0.56620 0.25044 0.18629

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.679
C2 0.000 1.382 -0.527
C3 0.000 -1.382 -0.527
H4 0.000 2.323 0.048
H5 0.000 -2.323 0.048
H6 0.904 1.345 -1.159
H7 -0.904 1.345 -1.159
H8 -0.904 -1.345 -1.159
H9 0.904 -1.345 -1.159

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.83371.83372.40752.40752.45062.45062.45062.4506
C21.83372.76401.10283.74961.10421.10422.94212.9421
C31.83372.76403.74961.10282.94212.94211.10421.1042
H42.40751.10283.74964.64671.79761.79763.96663.9666
H52.40753.74961.10284.64673.96663.96661.79761.7976
H62.45061.10422.94211.79763.96661.80843.24182.6906
H72.45061.10422.94211.79763.96661.80842.69063.2418
H82.45062.94211.10423.96661.79763.24182.69061.8084
H92.45062.94211.10423.96661.79762.69063.24181.8084

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 107.518 S1 C2 H6 110.581
S1 C2 H7 110.581 S1 C3 H5 107.518
S1 C3 H8 110.581 S1 C3 H9 110.581
C2 S1 C3 97.819 H4 C2 H6 109.079
H4 C2 H7 109.079 H5 C3 H8 109.079
H5 C3 H9 109.079 H6 C2 H7 109.946
H8 C3 H9 109.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability