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

using model chemistry: MP3=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-627.338019
Energy at 298.15K 
HF Energy-626.435016
Nuclear repulsion energy270.616507
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 MP3=FULL/aug-cc-pVDZ
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 3210 3210 0.55      
2 A1 3094 3094 1.97      
3 A1 1451 1451 3.15      
4 A1 1344 1344 15.77      
5 A1 1126 1126 160.90      
6 A1 1007 1007 0.20      
7 A1 695 695 6.54      
8 A1 468 468 29.10      
9 A1 265 265 2.57      
10 A2 3211 3211 0.00      
11 A2 1442 1442 0.00      
12 A2 932 932 0.00      
13 A2 291 291 0.00      
14 A2 173 173 0.00      
15 B1 3214 3214 1.50      
16 B1 1459 1459 7.95      
17 B1 1296 1296 259.42      
18 B1 986 986 0.29      
19 B1 348 348 0.57      
20 B1 204 204 0.33      
21 B2 3209 3209 0.40      
22 B2 3092 3092 0.09      
23 B2 1442 1442 4.98      
24 B2 1328 1328 9.51      
25 B2 947 947 57.41      
26 B2 754 754 28.62      
27 B2 448 448 44.48      

Unscaled Zero Point Vibrational Energy (zpe) 18717.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18717.4 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 MP3=FULL/aug-cc-pVDZ
ABC
0.14792 0.13764 0.13584

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.285 0.000 0.922
O3 1.285 0.000 0.922
C4 0.000 1.414 -0.921
C5 0.000 -1.414 -0.921
H6 0.000 2.296 -0.268
H7 0.000 -2.296 -0.268
H8 0.911 1.383 -1.532
H9 -0.911 1.383 -1.532
H10 -0.911 -1.383 -1.532
H11 0.911 -1.383 -1.532

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48091.48091.79551.79552.34052.34052.38632.38632.38632.3863
O21.48092.57002.65452.65452.88772.88773.57192.84152.84153.5719
O31.48092.57002.65452.65452.88772.88772.84153.57193.57192.8415
C41.79552.65452.65452.82731.09793.76681.09751.09753.00453.0045
C51.79552.65452.65452.82733.76681.09793.00453.00451.09751.0975
H62.34052.88772.88771.09793.76684.59231.80591.80593.99583.9958
H72.34052.88772.88773.76681.09794.59233.99583.99581.80591.8059
H82.38633.57192.84151.09753.00451.80593.99581.82293.31322.7666
H92.38632.84153.57191.09753.00451.80593.99581.82292.76663.3132
H102.38632.84153.57193.00451.09753.99581.80593.31322.76661.8229
H112.38633.57192.84153.00451.09753.99581.80592.76663.31321.8229

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 105.429 S1 C4 H8 108.740
S1 C4 H9 108.740 S1 C5 H7 105.429
S1 C5 H10 108.740 S1 C5 H11 108.740
O2 S1 O3 120.385 O2 S1 C4 107.846
O2 S1 C5 107.846 O3 S1 C4 107.846
O3 S1 C5 107.846 C4 S1 C5 103.877
H6 C4 H8 110.686 H6 C4 H9 110.686
H7 C5 H10 110.686 H7 C5 H11 110.686
H8 C4 H9 112.291 H10 C5 H11 112.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability