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

using model chemistry: MP3=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 MP3=FULL/6-311G*
 hartrees
Energy at 0K-627.486985
Energy at 298.15K 
HF Energy-626.461758
Nuclear repulsion energy274.755735
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/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 3212 3212 0.40      
2 A1 3110 3110 1.25      
3 A1 1498 1498 6.09      
4 A1 1425 1425 29.39      
5 A1 1192 1192 210.98      
6 A1 1056 1056 0.61      
7 A1 724 724 11.01      
8 A1 503 503 35.69      
9 A1 283 283 2.47      
10 A2 3219 3219 0.00      
11 A2 1485 1485 0.00      
12 A2 978 978 0.00      
13 A2 307 307 0.00      
14 A2 186 186 0.00      
15 B1 3223 3223 1.85      
16 B1 1503 1503 15.02      
17 B1 1392 1392 280.84      
18 B1 1043 1043 1.73      
19 B1 375 375 1.17      
20 B1 223 223 0.70      
21 B2 3211 3211 0.46      
22 B2 3107 3107 0.07      
23 B2 1488 1488 7.13      
24 B2 1407 1407 30.62      
25 B2 997 997 77.31      
26 B2 788 788 44.05      
27 B2 476 476 49.96      

Unscaled Zero Point Vibrational Energy (zpe) 19204.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19204.3 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 MP3=FULL/6-311G*
ABC
0.15336 0.14150 0.13873

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.256 0.000 0.904
O3 1.256 0.000 0.904
C4 0.000 1.401 -0.909
C5 0.000 -1.401 -0.909
H6 0.000 2.283 -0.268
H7 0.000 -2.283 -0.268
H8 0.901 1.388 -1.520
H9 -0.901 1.388 -1.520
H10 -0.901 -1.388 -1.520
H11 0.901 -1.388 -1.520

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44501.44501.78061.78062.32872.32872.37992.37992.37992.3799
O21.44502.51282.61312.61312.85762.85763.52972.81602.81603.5297
O31.44502.51282.61312.61312.85762.85762.81603.52973.52972.8160
C41.78062.61312.61312.80161.09013.73901.08901.08902.99362.9936
C51.78062.61312.61312.80163.73901.09012.99362.99361.08901.0890
H62.32872.85762.85761.09013.73904.56601.78331.78333.98163.9816
H72.32872.85762.85763.73901.09014.56603.98163.98161.78331.7833
H82.37993.52972.81601.08902.99361.78333.98161.80253.30952.7756
H92.37992.81603.52971.08902.99361.78333.98161.80252.77563.3095
H102.37992.81603.52972.99361.08903.98161.78333.30952.77561.8025
H112.37993.52972.81602.99361.08903.98161.78332.77563.30951.8025

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 105.901 S1 C4 H8 109.700
S1 C4 H9 109.700 S1 C5 H7 105.901
S1 C5 H10 109.700 S1 C5 H11 109.700
O2 S1 O3 120.789 O2 S1 C4 107.758
O2 S1 C5 107.758 O3 S1 C4 107.758
O3 S1 C5 107.758 C4 S1 C5 103.752
H6 C4 H8 109.837 H6 C4 H9 109.837
H7 C5 H10 109.837 H7 C5 H11 109.837
H8 C4 H9 111.701 H10 C5 H11 111.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability