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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-477.292940
Energy at 298.15K 
HF Energy-476.785276
Nuclear repulsion energy110.229647
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)/TZVP
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 3042        
2 A1 3053 2938        
3 A1 1498 1441        
4 A1 1405 1353        
5 A1 1062 1022        
6 A1 703 676        
7 A1 265 255        
8 A2 3142 3024        
9 A2 1457 1402        
10 A2 956 920        
11 A2 122 117        
12 B1 3135 3017        
13 B1 1467 1412        
14 B1 1004 967        
15 B1 181 174        
16 B2 3161 3042        
17 B2 3056 2941        
18 B2 1484 1429        
19 B2 1377 1326        
20 B2 925 891        
21 B2 752 724        

Unscaled Zero Point Vibrational Energy (zpe) 16681.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 16055.8 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)/TZVP
ABC
0.57328 0.25298 0.18812

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.675
C2 0.000 1.375 -0.524
C3 0.000 -1.375 -0.524
H4 0.000 2.305 0.045
H5 0.000 -2.305 0.045
H6 0.893 1.346 -1.151
H7 -0.893 1.346 -1.151
H8 -0.893 -1.346 -1.151
H9 0.893 -1.346 -1.151

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82481.82482.38992.38992.43822.43822.43822.4382
C21.82482.75091.09043.72471.09171.09172.93202.9320
C31.82482.75093.72471.09042.93202.93201.09171.0917
H42.38991.09043.72474.61091.77491.77493.94483.9448
H52.38993.72471.09044.61093.94483.94481.77491.7749
H62.43821.09172.93201.77493.94481.78613.23042.6917
H72.43821.09172.93201.77493.94481.78612.69173.2304
H82.43822.93201.09173.94481.77493.23042.69171.7861
H92.43822.93201.09173.94481.77492.69173.23041.7861

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 107.441 S1 C2 H6 110.923
S1 C2 H7 110.923 S1 C3 H5 107.441
S1 C3 H8 110.923 S1 C3 H9 110.923
C2 S1 C3 97.835 H4 C2 H6 108.852
H4 C2 H7 108.852 H5 C3 H8 108.852
H5 C3 H9 108.852 H6 C2 H7 109.775
H8 C3 H9 109.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability