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: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-477.162041
Energy at 298.15K-477.168211
HF Energy-476.734683
Nuclear repulsion energy110.613675
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 CCD/6-31G*
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 3187 3016 12.13      
2 A1 3084 2919 27.80      
3 A1 1543 1460 0.13      
4 A1 1447 1369 1.46      
5 A1 1100 1041 18.77      
6 A1 734 695 2.38      
7 A1 280 265 0.01      
8 A2 3173 3003 0.00      
9 A2 1515 1434 0.00      
10 A2 1005 951 0.00      
11 A2 182 172 0.00      
12 B1 3167 2998 30.63      
13 B1 1526 1444 16.91      
14 B1 1041 986 7.18      
15 B1 189 179 0.98      
16 B2 3187 3017 4.97      
17 B2 3087 2922 23.95      
18 B2 1534 1452 17.78      
19 B2 1423 1347 2.89      
20 B2 961 909 0.10      
21 B2 791 749 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17077.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 16163.7 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 CCD/6-31G*
ABC
0.58700 0.25276 0.18947

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
C2 0.000 1.375 -0.515
C3 0.000 -1.375 -0.515
H4 0.000 2.302 0.066
H5 0.000 -2.302 0.066
H6 0.895 1.358 -1.147
H7 -0.895 1.358 -1.147
H8 -0.895 -1.358 -1.147
H9 0.895 -1.358 -1.147

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81171.81172.37842.37842.43412.43412.43412.4341
C21.81172.75001.09413.72251.09531.09532.94392.9439
C31.81172.75003.72251.09412.94392.94391.09531.0953
H42.37841.09413.72254.60371.77861.77863.95773.9577
H52.37843.72251.09414.60373.95773.95771.77861.7786
H62.43411.09532.94391.77863.95771.78903.25172.7153
H72.43411.09532.94391.77863.95771.78902.71533.2517
H82.43412.94391.09533.95771.77863.25172.71531.7890
H92.43412.94391.09533.95771.77862.71533.25171.7890

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 107.278 S1 C2 H6 111.321
S1 C2 H7 111.321 S1 C3 H5 107.278
S1 C3 H8 111.321 S1 C3 H9 111.321
C2 S1 C3 98.744 H4 C2 H6 108.657
H4 C2 H7 108.657 H5 C3 H8 108.657
H5 C3 H9 108.657 H6 C2 H7 109.510
H8 C3 H9 109.510
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability