return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-477.272509
Energy at 298.15K 
HF Energy-476.780611
Nuclear repulsion energy110.753497
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/6-311G**
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 3160 15.21      
2 A1 3060 3060 37.24      
3 A1 1509 1509 0.00      
4 A1 1419 1419 3.32      
5 A1 1077 1077 17.68      
6 A1 727 727 2.60      
7 A1 275 275 0.00      
8 A2 3143 3143 0.00      
9 A2 1473 1473 0.00      
10 A2 981 981 0.00      
11 A2 160 160 0.00      
12 B1 3137 3137 39.74      
13 B1 1483 1483 13.08      
14 B1 1025 1025 11.20      
15 B1 186 186 0.84      
16 B2 3160 3160 7.16      
17 B2 3062 3062 29.82      
18 B2 1498 1498 15.13      
19 B2 1393 1393 5.94      
20 B2 937 937 0.00      
21 B2 780 780 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16821.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16821.3 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/6-311G**
ABC
0.58490 0.25442 0.19020

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.667
C2 0.000 1.370 -0.516
C3 0.000 -1.370 -0.516
H4 0.000 2.300 0.058
H5 0.000 -2.300 0.058
H6 0.894 1.349 -1.147
H7 -0.894 1.349 -1.147
H8 -0.894 -1.349 -1.147
H9 0.894 -1.349 -1.147

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81001.81002.37932.37932.43032.43032.43032.4303
C21.81002.73981.09323.71461.09431.09432.93052.9305
C31.81002.73983.71461.09322.93052.93051.09431.0943
H42.37931.09323.71464.60021.77641.77643.94523.9452
H52.37933.71461.09324.60023.94523.94521.77641.7764
H62.43031.09432.93051.77643.94521.78873.23662.6974
H72.43031.09432.93051.77643.94521.78872.69743.2366
H82.43032.93051.09433.94521.77643.23662.69741.7887
H92.43032.93051.09433.94521.77642.69743.23661.7887

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 107.500 S1 C2 H6 111.206
S1 C2 H7 111.206 S1 C3 H5 107.500
S1 C3 H8 111.206 S1 C3 H9 111.206
C2 S1 C3 98.377 H4 C2 H6 108.602
H4 C2 H7 108.602 H5 C3 H8 108.602
H5 C3 H9 108.602 H6 C2 H7 109.630
H8 C3 H9 109.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability