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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-477.249414
Energy at 298.15K 
HF Energy-476.757377
Nuclear repulsion energy109.820037
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 CCSD(T)/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 3154 3087        
2 A1 3039 2975        
3 A1 1479 1447        
4 A1 1361 1333        
5 A1 1043 1021        
6 A1 703 688        
7 A1 264 259        
8 A2 3134 3067        
9 A2 1454 1423        
10 A2 950 930        
11 A2 175 172        
12 B1 3127 3061        
13 B1 1463 1432        
14 B1 987 966        
15 B1 186 182        
16 B2 3155 3088        
17 B2 3042 2978        
18 B2 1471 1440        
19 B2 1334 1306        
20 B2 907 888        
21 B2 755 739        

Unscaled Zero Point Vibrational Energy (zpe) 16591.1 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 16239.4 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 CCSD(T)/cc-pVDZ
ABC
0.57118 0.25146 0.18736

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.675
C2 0.000 1.378 -0.522
C3 0.000 -1.378 -0.522
H4 0.000 2.319 0.055
H5 0.000 -2.319 0.055
H6 0.903 1.350 -1.160
H7 -0.903 1.350 -1.160
H8 -0.903 -1.350 -1.160
H9 0.903 -1.350 -1.160

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82541.82542.40042.40042.45072.45072.45072.4507
C21.82542.75571.10433.74171.10601.10602.94342.9434
C31.82542.75573.74171.10432.94342.94341.10601.1060
H42.40041.10433.74174.63801.79771.79773.96923.9692
H52.40043.74171.10434.63803.96923.96921.79771.7977
H62.45071.10602.94341.79773.96921.80673.24882.7001
H72.45071.10602.94341.79773.96921.80672.70013.2488
H82.45072.94341.10603.96921.79773.24882.70011.8067
H92.45072.94341.10603.96921.79772.70013.24881.8067

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 107.465 S1 C2 H6 111.047
S1 C2 H7 111.047 S1 C3 H5 107.465
S1 C3 H8 111.047 S1 C3 H9 111.047
C2 S1 C3 98.016 H4 C2 H6 108.843
H4 C2 H7 108.843 H5 C3 H8 108.843
H5 C3 H9 108.843 H6 C2 H7 109.524
H8 C3 H9 109.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability