WebMO Job Summary

112100: C13H18O2 (S)-ibuprofen, Natural Bond Orbitals 6.0/NRT - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N B3LYP/6-31G(d) SP GFINPUT POP=(FULL,NBO6Read) Geom=Connectivity
Stoichiometry C13H18O2
Symmetry C1
Basis 6-31G(d)
RB3LYP Energy -656.704410555 Hartree
Dipole Moment 1.5678 Debye
Server batch (114170)
CPU time 542.8 sec

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 1.3572300 0.04527231969
b 0.2543512 0.00848424279
c 0.2422623 0.00808100049

Partial Charges

Atom Symbol Charge
1 C -0.237427  
2 C -0.436592  
3 H 0.150585  
4 H 0.172691  
5 H 0.151907  
6 C 0.155011  
7 C -0.186261  
8 C -0.181258  
9 C 0.178364  
10 C -0.187814  
11 C -0.179815  
12 H 0.152009  
13 H 0.126432  
14 C -0.344730  
15 C -0.064549  
16 C -0.440797  
17 H 0.142414  
18 H 0.138956  
19 H 0.139721  
20 C -0.446012  
21 H 0.140155  
22 H 0.134907  
23 H 0.155866  
24 H 0.126749  
25 H 0.140046  
26 H 0.135378  
27 H 0.123658  
28 H 0.125960  
29 C 0.589492  
30 O -0.569862  
31 H 0.407074  
32 O -0.469194  
33 H 0.156937  

Molecular Orbitals

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Orbital Symmetry Occupancy Energy Actions
Electron density
Electrostatic potential
Electrophilic (HOMO) frontier density
Nucleophilic (LUMO) frontier density
Radical frontier density

Natural Population Analysis

Atom Symbol Charge
1 C -0.35940  
2 C -0.66531  
3 H 0.23673  
4 H 0.24522  
5 H 0.23902  
6 C -0.04547  
7 C -0.22085  
8 C -0.22545  
9 C -0.03734  
10 C -0.22444  
11 C -0.22676  
12 H 0.25035  
13 H 0.23753  
14 C -0.46549  
15 C -0.24414  
16 C -0.67378  
17 H 0.23301  
18 H 0.22906  
19 H 0.22447  
20 C -0.67956  
21 H 0.23179  
22 H 0.22160  
23 H 0.23917  
24 H 0.23688  
25 H 0.24416  
26 H 0.23587  
27 H 0.23589  
28 H 0.23615  
29 C 0.84181  
30 O -0.70650  
31 H 0.49692  
32 O -0.60774  
33 H 0.26657  

Natural Atomic Orbitals

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Orbital Description Occupancy Energy Actions

Natural Hybrid Orbitals

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Orbital Description Occupancy Energy Actions

Natural Bond Orbitals

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Orbital Description NHOs Occupancy Energy Actions

Quote

... A MOLECULAR SYSTEM ... (PASSES) ... FROM ONE STATE OF EQUILIBRIUM TO ANOTHER ... BY MEANS OF ALL POSSIBLE INTERMEDIATE PATHS, BUT THE PATH MOST ECONOMICAL OF ENERGY WILL BE THE MORE OFTEN TRAVELED. -- HENRY EYRING, 1945