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

using model chemistry: QCISD(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 QCISD(T)/TZVP
 hartrees
Energy at 0K-477.293266
Energy at 298.15K 
HF Energy-476.785260
Nuclear repulsion energy110.202793
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)/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 3162 3046        
2 A1 3052 2939        
3 A1 1498 1443        
4 A1 1405 1353        
5 A1 1063 1024        
6 A1 703 677        
7 A1 267 257        
8 A2 3141 3025        
9 A2 1456 1403        
10 A2 955 920        
11 A2 121 116        
12 B1 3134 3018        
13 B1 1467 1413        
14 B1 1004 967        
15 B1 180 173        
16 B2 3159 3043        
17 B2 3055 2943        
18 B2 1484 1429        
19 B2 1378 1327        
20 B2 924 890        
21 B2 752 724        

Unscaled Zero Point Vibrational Energy (zpe) 16678.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 16064.7 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)/TZVP
ABC
0.57291 0.25287 0.18802

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(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 1.376 -0.524
C3 0.000 -1.376 -0.524
H4 0.000 2.306 0.045
H5 0.000 -2.306 0.045
H6 0.893 1.346 -1.152
H7 -0.893 1.346 -1.152
H8 -0.893 -1.346 -1.152
H9 0.893 -1.346 -1.152

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.82541.82542.39042.39042.43872.43872.43872.4387
C21.82542.75171.09053.72551.09181.09182.93252.9325
C31.82542.75173.72551.09052.93252.93251.09181.0918
H42.39041.09053.72554.61171.77511.77513.94543.9454
H52.39043.72551.09054.61173.94543.94541.77511.7751
H62.43871.09182.93251.77513.94541.78623.23082.6921
H72.43871.09182.93251.77513.94541.78622.69213.2308
H82.43872.93251.09183.94541.77513.23082.69211.7862
H92.43872.93251.09183.94541.77512.69213.23081.7862

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 107.436 S1 C2 H6 110.917
S1 C2 H7 110.917 S1 C3 H5 107.436
S1 C3 H8 110.917 S1 C3 H9 110.917
C2 S1 C3 97.827 H4 C2 H6 108.862
H4 C2 H7 108.862 H5 C3 H8 108.862
H5 C3 H9 108.862 H6 C2 H7 109.773
H8 C3 H9 109.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability