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I.B.3. (II.A.2.)

All data (experiment and calculated) in the CCCBDB for C4H4O (Furan)

Other names
Divinylene oxide; Furan; Furane; Furfuran; Furfurane; NCI-C56202; Oxacyclopentadiene; Oxole; Rcra waste number U124; Tetrole; UN 2389;
INChI
InChI=1/C4H4O/c1-2-4-5-3-1/h1-4H

An "x" indicates that data is available. A number indicates how many calculations have been completed.
Property Experiment Calculated Comparison
Energies
Entropies
Enthalpy 298.15K enthalpy of formation x    
Enthalpy 0K enthalpy of formation x    
Energy 0K   205  
Energy 298.15K   191  
Atomization Enthalpy 298.15K x186x
Atomization Enthalpy 0K x191x
Entropy (298.15K) entropy x176x
Entropy at any temperature   176  
Integrated Heat Capacity integrated heat capacity x175x
Heat Capacity (Cp) Heat capacity x175x
Nuclear Repulsion Energy   183  
HOMO-LUMO Energies HOMO energies   174  
Barriers to Internal Rotation internal rotation  0 
Geometries Cartesians x155  
Internal Coordinates bond lengths bond angles x155x
Products of moments of inertia moments of inertia x173x
Rotational Constants rotational constants x177x
Point Group  177 
Vibrations Vibrational Frequencies vibrations x179x
Vibrational Intensities  178 
Zero-point energies x179x
Vibrational scaling factors x
Anharmonic frequencies and constants   4  
Electronic States Electronic states x 0  
Electrostatics Atom charges   151  
Dipole dipole x152x
Quadrupole quadrupole x93x
Polarizability polarizability  131 
Other results Spin   11  
Number of basis functions   24  
Diagnostics   4  
Conformations   1