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

using model chemistry: QCISD(T)=FULL/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)=FULL/cc-pVDZ
 hartrees
Energy at 0K-477.261028
Energy at 298.15K 
HF Energy-476.757521
Nuclear repulsion energy109.925694
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)=FULL/cc-pVDZ
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 3160 3030        
2 A1 3044 2919        
3 A1 1481 1420        
4 A1 1362 1307        
5 A1 1043 1000        
6 A1 703 675        
7 A1 265 254        
8 A2 3139 3010        
9 A2 1456 1396        
10 A2 949 911        
11 A2 176 169        
12 B1 3132 3004        
13 B1 1465 1405        
14 B1 987 947        
15 B1 186 179        
16 B2 3160 3030        
17 B2 3046 2921        
18 B2 1473 1413        
19 B2 1335 1280        
20 B2 907 870        
21 B2 756 725        

Unscaled Zero Point Vibrational Energy (zpe) 16612.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 15931.4 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)=FULL/cc-pVDZ
ABC
0.57240 0.25192 0.18772

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.674
C2 0.000 1.377 -0.522
C3 0.000 -1.377 -0.522
H4 0.000 2.317 0.055
H5 0.000 -2.317 0.055
H6 0.902 1.349 -1.159
H7 -0.902 1.349 -1.159
H8 -0.902 -1.349 -1.159
H9 0.902 -1.349 -1.159

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82351.82352.39822.39822.44852.44852.44852.4485
C21.82352.75301.10333.73831.10511.10512.94102.9410
C31.82352.75303.73831.10332.94102.94101.10511.1051
H42.39821.10333.73834.63391.79601.79603.96603.9660
H52.39823.73831.10334.63393.96603.96601.79601.7960
H62.44851.10512.94101.79603.96601.80503.24632.6982
H72.44851.10512.94101.79603.96601.80502.69823.2463
H82.44852.94101.10513.96601.79603.24632.69821.8050
H92.44852.94101.10513.96601.79602.69823.24631.8050

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 107.482 S1 C2 H6 111.068
S1 C2 H7 111.068 S1 C3 H5 107.482
S1 C3 H8 111.068 S1 C3 H9 111.068
C2 S1 C3 98.026 H4 C2 H6 108.824
H4 C2 H7 108.824 H5 C3 H8 108.824
H5 C3 H9 108.824 H6 C2 H7 109.502
H8 C3 H9 109.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability