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: CCSD(T)=FULL/cc-pV(T+d)Z

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)=FULL/cc-pV(T+d)Z
 hartrees
Energy at 0K-627.819242
Energy at 298.15K 
HF Energy-626.566922
Nuclear repulsion energy276.426117
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)=FULL/cc-pV(T+d)Z
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pV(T+d)Z
ABC
0.15453 0.14399 0.14050

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.248 0.000 0.903
O3 1.248 0.000 0.903
C4 0.000 1.386 -0.908
C5 0.000 -1.386 -0.908
H6 0.000 2.266 -0.271
H7 0.000 -2.266 -0.271
H8 0.898 1.364 -1.516
H9 -0.898 1.364 -1.516
H10 -0.898 -1.364 -1.516
H11 0.898 -1.364 -1.516

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43651.43651.76981.76982.31232.31232.36322.36322.36322.3632
O21.43652.49642.60002.60002.84042.84043.50992.79902.79903.5099
O31.43652.49642.60002.60002.84042.84042.79903.50993.50992.7990
C41.76982.60002.60002.77301.08593.70731.08481.08482.95692.9569
C51.76982.60002.60002.77303.70731.08592.95692.95691.08481.0848
H62.31232.84042.84041.08593.70734.53121.78031.78033.94133.9413
H72.31232.84042.84043.70731.08594.53123.94133.94131.78031.7803
H82.36323.50992.79901.08482.95691.78033.94131.79643.26692.7287
H92.36322.79903.50991.08482.95691.78033.94131.79642.72873.2669
H102.36322.79903.50992.95691.08483.94131.78033.26692.72871.7964
H112.36323.50992.79902.95691.08483.94131.78032.72873.26691.7964

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 105.630 S1 C4 H8 109.408
S1 C4 H9 109.408 S1 C5 H7 105.630
S1 C5 H10 109.408 S1 C5 H11 109.408
O2 S1 O3 120.667 O2 S1 C4 107.916
O2 S1 C5 107.916 O3 S1 C4 107.916
O3 S1 C5 107.916 C4 S1 C5 103.147
H6 C4 H8 110.208 H6 C4 H9 110.208
H7 C5 H10 110.208 H7 C5 H11 110.208
H8 C4 H9 111.787 H10 C5 H11 111.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability