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

using model chemistry: B2PLYP=FULLultrafine/3-21G

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=FULLultrafine/3-21G
 hartrees
Energy at 0K-624.582208
Energy at 298.15K 
HF Energy-624.396690
Nuclear repulsion energy256.438888
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=FULLultrafine/3-21G
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 3233 3233 0.02      
2 A1 3120 3120 1.08      
3 A1 1526 1526 4.49      
4 A1 1403 1403 8.28      
5 A1 1067 1067 57.29      
6 A1 913 913 32.57      
7 A1 557 557 22.68      
8 A1 402 402 14.89      
9 A1 244 244 1.60      
10 A2 3233 3233 0.00      
11 A2 1525 1525 0.00      
12 A2 952 952 0.00      
13 A2 201 201 0.00      
14 A2 132 132 0.00      
15 B1 3236 3236 0.30      
16 B1 1540 1540 29.72      
17 B1 1154 1154 73.79      
18 B1 974 974 0.10      
19 B1 280 280 2.21      
20 B1 164 164 0.42      
21 B2 3232 3232 0.49      
22 B2 3117 3117 0.06      
23 B2 1515 1515 14.65      
24 B2 1379 1379 3.28      
25 B2 966 966 21.27      
26 B2 628 628 70.33      
27 B2 318 318 26.68      

Unscaled Zero Point Vibrational Energy (zpe) 18505.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18505.1 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=FULLultrafine/3-21G
ABC
0.12737 0.12668 0.12258

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.205
O2 -1.377 0.000 1.006
O3 1.377 0.000 1.006
C4 0.000 1.448 -1.010
C5 0.000 -1.448 -1.010
H6 0.000 2.353 -0.406
H7 0.000 -2.353 -0.406
H8 0.905 1.375 -1.609
H9 -0.905 1.375 -1.609
H10 -0.905 -1.375 -1.609
H11 0.905 -1.375 -1.609

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59281.59281.89031.89032.43112.43112.44982.44982.44982.4498
O21.59282.75372.83832.83833.07003.07003.73322.99182.99183.7332
O31.59282.75372.83832.83833.07003.07002.99183.73323.73322.9918
C41.89032.83832.83832.89651.08813.84911.08791.08793.02513.0251
C51.89032.83832.83832.89653.84911.08813.02513.02511.08791.0879
H62.43113.07003.07001.08813.84914.70621.79541.79544.02114.0211
H72.43113.07003.07003.84911.08814.70624.02114.02111.79541.7954
H82.44983.73322.99181.08793.02511.79544.02111.81043.29312.7507
H92.44982.99183.73321.08793.02511.79544.02111.81042.75073.2931
H102.44982.99183.73323.02511.08794.02111.79543.29312.75071.8104
H112.44983.73322.99183.02511.08794.02111.79542.75073.29311.8104

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 106.274 S1 C4 H8 107.613
S1 C4 H9 107.613 S1 C5 H7 106.274
S1 C5 H10 107.613 S1 C5 H11 107.613
O2 S1 O3 119.636 O2 S1 C4 108.851
O2 S1 C5 108.851 O3 S1 C4 108.851
O3 S1 C5 108.851 C4 S1 C5 100.013
H6 C4 H8 111.191 H6 C4 H9 111.191
H7 C5 H10 111.191 H7 C5 H11 111.191
H8 C4 H9 112.620 H10 C5 H11 112.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability