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

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-627.696917
Energy at 298.15K 
HF Energy-627.509613
Nuclear repulsion energy252.800938
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 B2PLYP=FULL/6-31G
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 3250 3250 0.21      
2 A1 3117 3117 2.08      
3 A1 1507 1507 6.54      
4 A1 1400 1400 2.81      
5 A1 1076 1076 42.72      
6 A1 821 821 45.53      
7 A1 570 570 8.21      
8 A1 354 354 20.43      
9 A1 219 219 3.27      
10 A2 3246 3246 0.00      
11 A2 1509 1509 0.00      
12 A2 982 982 0.00      
13 A2 207 207 0.00      
14 A2 145 145 0.00      
15 B1 3249 3249 0.12      
16 B1 1519 1519 30.37      
17 B1 1088 1088 57.95      
18 B1 916 916 26.39      
19 B1 275 275 1.19      
20 B1 166 166 0.53      
21 B2 3249 3249 1.76      
22 B2 3115 3115 0.01      
23 B2 1498 1498 14.39      
24 B2 1376 1376 0.49      
25 B2 988 988 14.77      
26 B2 659 659 37.48      
27 B2 312 312 36.73      

Unscaled Zero Point Vibrational Energy (zpe) 18406.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18406.9 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 B2PLYP=FULL/6-31G
ABC
0.12576 0.12219 0.11886

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.181
O2 -1.432 0.000 0.989
O3 1.432 0.000 0.989
C4 0.000 1.490 -0.979
C5 0.000 -1.490 -0.979
H6 0.000 2.361 -0.327
H7 0.000 -2.361 -0.327
H8 0.908 1.441 -1.578
H9 -0.908 1.441 -1.578
H10 -0.908 -1.441 -1.578
H11 0.908 -1.441 -1.578

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.64461.64461.88821.88822.41512.41512.44792.44792.44792.4479
O21.64462.86472.85392.85393.05913.05913.76042.98972.98973.7604
O31.64462.86472.85392.85393.05913.05912.98973.76043.76042.9897
C41.88822.85392.85392.97951.08863.90581.08861.08863.12563.1256
C51.88822.85392.85392.97953.90581.08863.12563.12561.08861.0886
H62.41513.05913.05911.08863.90584.72231.79921.79924.10394.1039
H72.41513.05913.05913.90581.08864.72234.10394.10391.79921.7992
H82.44793.76042.98971.08863.12561.79924.10391.81603.40562.8811
H92.44792.98973.76041.08863.12561.79924.10391.81602.88113.4056
H102.44792.98973.76043.12561.08864.10391.79923.40562.88111.8160
H112.44793.76042.98973.12561.08864.10391.79922.88113.40561.8160

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 105.267 S1 C4 H8 107.584
S1 C4 H9 107.584 S1 C5 H7 105.267
S1 C5 H10 107.584 S1 C5 H11 107.584
O2 S1 O3 121.137 O2 S1 C4 107.572
O2 S1 C5 107.572 O3 S1 C4 107.572
O3 S1 C5 107.572 C4 S1 C5 104.183
H6 C4 H8 111.452 H6 C4 H9 111.452
H7 C5 H10 111.452 H7 C5 H11 111.452
H8 C4 H9 113.040 H10 C5 H11 113.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability