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

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-620.836320
Energy at 298.15K 
HF Energy-620.836320
Nuclear repulsion energy247.390974
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 TPSSh/STO-3G
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 3522 3522 0.01      
2 A1 3305 3305 10.32      
3 A1 1645 1645 0.64      
4 A1 1377 1377 0.78      
5 A1 957 957 50.26      
6 A1 847 847 16.63      
7 A1 559 559 32.00      
8 A1 289 289 7.55      
9 A1 215 215 0.99      
10 A2 3518 3518 0.00      
11 A2 1647 1647 0.00      
12 A2 854 854 0.00      
13 A2 199 199 0.00      
14 A2 48 48 0.00      
15 B1 3519 3519 0.08      
16 B1 1653 1653 5.13      
17 B1 1059 1059 43.74      
18 B1 860 860 0.67      
19 B1 275 275 2.37      
20 B1 102 102 0.04      
21 B2 3520 3520 0.01      
22 B2 3302 3302 25.33      
23 B2 1641 1641 2.11      
24 B2 1356 1356 11.69      
25 B2 853 853 16.56      
26 B2 530 530 103.75      
27 B2 273 273 4.55      

Unscaled Zero Point Vibrational Energy (zpe) 18961.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18961.2 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 TPSSh/STO-3G
ABC
0.12038 0.11545 0.11186

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.261
O2 -1.418 0.000 1.056
O3 1.418 0.000 1.056
C4 0.000 1.483 -1.096
C5 0.000 -1.483 -1.096
H6 0.000 2.435 -0.547
H7 0.000 -2.435 -0.547
H8 0.909 1.377 -1.706
H9 -0.909 1.377 -1.706
H10 -0.909 -1.377 -1.706
H11 0.909 -1.377 -1.706

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.62561.62562.01032.01032.56542.56542.56732.56732.56732.5673
O21.62562.83642.97332.97333.24163.24163.86483.12753.12753.8648
O31.62562.83642.97332.97333.24163.24163.12753.86483.86483.1275
C42.01032.97332.97332.96561.09903.95581.09941.09943.06203.0620
C52.01032.97332.97332.96563.95581.09903.06203.06201.09941.0994
H62.56543.24163.24161.09903.95584.86951.81321.81324.08634.0863
H72.56543.24163.24163.95581.09904.86954.08634.08631.81321.8132
H82.56733.86483.12751.09943.06201.81324.08631.81753.29962.7539
H92.56733.12753.86481.09943.06201.81324.08631.81752.75393.2996
H102.56733.12753.86483.06201.09944.08631.81323.29962.75391.8175
H112.56733.86483.12753.06201.09944.08631.81322.75393.29961.8175

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 107.548 S1 C4 H8 107.663
S1 C4 H9 107.663 S1 C5 H7 107.548
S1 C5 H10 107.663 S1 C5 H11 107.663
O2 S1 O3 121.487 O2 S1 C4 109.268
O2 S1 C5 109.268 O3 S1 C4 109.268
O3 S1 C5 109.268 C4 S1 C5 95.057
H6 C4 H8 111.129 H6 C4 H9 111.129
H7 C5 H10 111.129 H7 C5 H11 111.129
H8 C4 H9 111.500 H10 C5 H11 111.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.743      
2 O -0.325      
3 O -0.325      
4 C -0.277      
5 C -0.277      
6 H 0.079      
7 H 0.079      
8 H 0.076      
9 H 0.076      
10 H 0.076      
11 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.597 2.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.539 0.000 0.000
y 0.000 5.358 0.000
z 0.000 0.000 5.178


<r2> (average value of r2) Å2
<r2> 148.986
(<r2>)1/2 12.206