WebMO Job Summary

366891: C4H2O3 maleic andhydride, 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 C4H2O3
Symmetry C2V
Basis 6-31G(d)
RB3LYP Energy -379.289544544 Hartree
Dipole Moment 4.0718 Debye
Server batch (377319)
CPU time 5.2 sec

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 6.8421884 0.22823083828
b 2.4471834 0.08162925166
c 1.8024997 0.06012491815

Partial Charges

Atom Symbol Charge
1 C -0.160762  
2 C -0.160762  
3 C 0.611997  
4 O -0.459565  
5 C 0.611997  
6 O -0.414369  
7 O -0.414369  
8 H 0.192917  
9 H 0.192917  

Molecular Orbitals

Display Range - / 109  
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 -0.27732  
2 C -0.27732  
3 C 0.78289  
4 O -0.54978  
5 C 0.78289  
6 O -0.49909  
7 O -0.49909  
8 H 0.26841  
9 H 0.26841  

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

Display Range - / 109  
Orbital Description NHOs Occupancy Energy Actions

Quote

ONLY THE DAY DAWNS TO WHICH YOU ARE AWAKE. -- THOREAU