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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-627.475007
Energy at 298.15K 
HF Energy-626.460516
Nuclear repulsion energy273.671604
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=FULL/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 3219 3049 0.17      
2 A1 3107 2942 1.66      
3 A1 1500 1420 6.21      
4 A1 1414 1339 25.16      
5 A1 1176 1114 191.59      
6 A1 1047 992 0.63      
7 A1 711 674 12.48      
8 A1 488 462 29.22      
9 A1 281 267 2.25      
10 A2 3227 3056 0.00      
11 A2 1484 1405 0.00      
12 A2 969 918 0.00      
13 A2 301 286 0.00      
14 A2 187 177 0.00      
15 B1 3231 3060 1.11      
16 B1 1502 1422 16.59      
17 B1 1373 1300 246.11      
18 B1 1033 978 2.00      
19 B1 371 351 1.16      
20 B1 225 213 0.66      
21 B2 3217 3047 0.82      
22 B2 3105 2940 0.04      
23 B2 1489 1411 7.97      
24 B2 1396 1322 31.65      
25 B2 987 935 68.75      
26 B2 776 735 48.68      
27 B2 465 440 40.64      

Unscaled Zero Point Vibrational Energy (zpe) 19139.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 18127.2 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 MP2=FULL/6-311G*
ABC
0.15145 0.14053 0.13847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.269 0.000 0.907
O3 1.269 0.000 0.907
C4 0.000 1.399 -0.913
C5 0.000 -1.399 -0.913
H6 0.000 2.282 -0.274
H7 0.000 -2.282 -0.274
H8 0.901 1.386 -1.524
H9 -0.901 1.386 -1.524
H10 -0.901 -1.386 -1.524
H11 0.901 -1.386 -1.524

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45601.45601.78271.78272.32892.32892.38302.38302.38302.3830
O21.45602.53742.62252.62252.86532.86533.54082.82212.82213.5408
O31.45602.53742.62252.62252.86532.86532.82213.54083.54082.8221
C41.78272.62252.62252.79751.09003.73561.08881.08882.99012.9901
C51.78272.62252.62252.79753.73561.09002.99012.99011.08881.0888
H62.32892.86532.86531.09003.73564.56351.78241.78243.97843.9784
H72.32892.86532.86533.73561.09004.56353.97843.97841.78241.7824
H82.38303.54082.82211.08882.99011.78243.97841.80243.30662.7721
H92.38302.82213.54081.08882.99011.78243.97841.80242.77213.3066
H102.38302.82213.54082.99011.08883.97841.78243.30662.77211.8024
H112.38303.54082.82212.99011.08883.97841.78242.77213.30661.8024

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 105.790 S1 C4 H8 109.798
S1 C4 H9 109.798 S1 C5 H7 105.790
S1 C5 H10 109.798 S1 C5 H11 109.798
O2 S1 O3 121.230 O2 S1 C4 107.711
O2 S1 C5 107.711 O3 S1 C4 107.711
O3 S1 C5 107.711 C4 S1 C5 103.368
H6 C4 H8 109.778 H6 C4 H9 109.778
H7 C5 H10 109.778 H7 C5 H11 109.778
H8 C4 H9 111.725 H10 C5 H11 111.725
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability