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All results from a given calculation for C2H6O3S (Sulfurous acid, dimethyl ester)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-702.252547
Energy at 298.15K 
HF Energy-701.251867
Nuclear repulsion energy346.818330
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.15985 0.07789 0.06615

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.025 0.600 -0.483
O2 -0.070 1.377 0.764
O3 -0.882 -0.790 -0.200
O4 1.390 -0.169 -0.622
C5 -2.238 -0.593 0.236
C6 1.955 -0.802 0.551
H7 -2.669 -1.587 0.301
H8 2.945 -1.121 0.243
H9 -2.265 -0.107 1.210
H10 -2.803 -0.002 -0.489
H11 2.024 -0.090 1.370
H12 1.353 -1.660 0.841

Atom - Atom Distances (Å)
  S1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12
S11.46991.65771.61632.61532.63693.52003.50812.89532.84262.84752.9595
O21.46992.50722.53842.97682.98263.96913.94992.68653.30732.62793.3551
O31.65772.50722.39341.43822.93512.01993.86712.08972.09653.37712.6148
O41.61632.53842.39343.75281.44754.39822.01794.08904.19872.09252.0896
C52.61532.97681.43823.75284.21091.08525.21061.08901.09244.43993.7955
C62.63692.98262.93511.44754.21094.69751.08454.32774.93591.08821.0879
H73.52003.96912.01994.39821.08524.69755.63431.78301.77635.04144.0593
H83.50813.94993.86712.01795.21061.08455.63435.39535.90171.78391.7843
H92.89532.68652.08974.08901.08904.32771.78305.39531.78484.29233.9548
H102.84263.30732.09654.19871.09244.93591.77635.90171.78485.17374.6684
H112.84752.62793.37712.09254.43991.08825.04141.78394.29235.17371.7881
H122.95953.35512.61482.08963.79551.08794.05931.78433.95484.66841.7881

picture of Sulfurous acid, dimethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 O3 C5 115.114 S1 O4 C6 118.682
O2 S1 O3 106.421 O2 S1 O4 110.588
O3 S1 O4 93.940 O3 C5 H7 105.494
O3 C5 H9 110.802 O3 C5 H10 111.146
O4 C6 H8 104.770 O4 C6 H11 110.413
O4 C6 H12 110.198 H7 C5 H9 110.189
H7 C5 H10 109.316 H8 C6 H11 110.378
H8 C6 H12 110.441 H9 C5 H10 109.809
H11 C6 H12 110.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability