return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > All data for one species

All data (experiment and calculated) in the CCCBDB for C8H6 (Calicene)

1907021335
Other names
1,3-Cyclopentadiene, 5-(2-cyclopropen-1-ylidene)-; Pentatriafulvalene; Triapentafulvalene; 5-(2-cyclopropen-1-ylidene)- (7CI); 5-(2-Cyclopropen-1-ylidene)cyclopentadiene;
INChI
InChI=1S/C8H6/c1-2-4-7(3-1)8-5-6-8/h1-6H

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      
Enthalpy 0K enthalpy of formation      
Energy 0K   365  
Energy 298.15K   323  
Atomization Enthalpy 298.15K  0 
Atomization Enthalpy 0K  0 
Entropy (298.15K) entropy  0 
Entropy at any temperature   0  
Integrated Heat Capacity integrated heat capacity  0 
Heat Capacity (Cp) Heat capacity  0 
Nuclear Repulsion Energy   364  
HOMO-LUMO Energies HOMO energies   342  
Barriers to Internal Rotation internal rotation  0 
Geometries Cartesians  352  
Internal Coordinates bond lengths bond angles  351 
Products of moments of inertia moments of inertia  343 
Rotational Constants rotational constants  352 
Point Group  368 
Vibrations Vibrational Frequencies vibrations  340 
Vibrational Intensities  334 
Zero-point energies  340 
Vibrational scaling factors  
Anharmonic frequencies and constants      
Raman frequencies and intensities   4  
Electronic States Electronic states x 0  
Electrostatics Atom charges   234  
Dipole dipole  311 
Quadrupole quadrupole  270 
Polarizability polarizability  285 
Other results Spin   0  
Number of basis functions   29  
Conformations   1