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 C2H6O2S (Dimethyl sulfone)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-624.952427
Energy at 298.15K 
HF Energy-624.952427
Nuclear repulsion energy253.749037
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 B97D3/3-21G
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 3169 3115 0.56      
2 A1 3043 2991 1.80      
3 A1 1475 1450 3.80      
4 A1 1327 1304 6.85      
5 A1 1019 1002 57.77      
6 A1 892 877 26.01      
7 A1 504 496 23.52      
8 A1 380 374 8.95      
9 A1 230 226 1.52      
10 A2 3163 3109 0.00      
11 A2 1475 1450 0.00      
12 A2 904 888 0.00      
13 A2 190 187 0.00      
14 A2 117 115 0.00      
15 B1 3167 3113 3.06      
16 B1 1490 1465 25.96      
17 B1 1128 1109 72.94      
18 B1 931 915 0.00      
19 B1 264 259 0.99      
20 B1 154 152 0.32      
21 B2 3168 3114 0.05      
22 B2 3040 2988 0.05      
23 B2 1464 1439 13.45      
24 B2 1302 1280 1.75      
25 B2 916 900 19.42      
26 B2 562 552 71.24      
27 B2 296 291 16.83      

Unscaled Zero Point Vibrational Energy (zpe) 17884.4 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 17580.3 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 B97D3/3-21G
ABC
0.12445 0.12432 0.11898

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.219
O2 -1.385 0.000 1.018
O3 1.385 0.000 1.018
C4 0.000 1.468 -1.035
C5 0.000 -1.468 -1.035
H6 0.000 2.378 -0.427
H7 0.000 -2.378 -0.427
H8 0.913 1.378 -1.631
H9 -0.913 1.378 -1.631
H10 -0.913 -1.378 -1.631
H11 0.913 -1.378 -1.631

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59891.59891.93031.93032.46362.46362.48032.48032.48032.4803
O21.59892.76932.87862.87863.10783.10783.76743.02313.02313.7674
O31.59892.76932.87862.87863.10783.10783.02313.76743.76743.0231
C41.93032.87862.87862.93621.09373.89331.09391.09393.04743.0474
C51.93032.87862.87862.93623.89331.09373.04743.04741.09391.0939
H62.46363.10783.10781.09373.89334.75501.81171.81174.04774.0477
H72.46363.10783.10783.89331.09374.75504.04774.04771.81171.8117
H82.48033.76743.02311.09393.04741.81174.04771.82523.30492.7552
H92.48033.02313.76741.09393.04741.81174.04771.82522.75523.3049
H102.48033.02313.76743.04741.09394.04771.81173.30492.75521.8252
H112.48033.76743.02313.04741.09394.04771.81172.75523.30491.8252

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.763 S1 C4 H8 106.922
S1 C4 H9 106.922 S1 C5 H7 105.763
S1 C5 H10 106.922 S1 C5 H11 106.922
O2 S1 O3 119.996 O2 S1 C4 108.945
O2 S1 C5 108.945 O3 S1 C4 108.945
O3 S1 C5 108.945 C4 S1 C5 99.026
H6 C4 H8 111.819 H6 C4 H9 111.819
H7 C5 H10 111.819 H7 C5 H11 111.819
H8 C4 H9 113.070 H10 C5 H11 113.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.