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All data (experiment and calculated) in the CCCBDB for C5H8 (1,2-Pentadiene)

1907021335
Other names
1-Methyl-2,3-butadiene; 1,2-Pentadiene; Ethylallene; pentadiene; penta-1,2-diene;
INChI
InChI=1S/C5H8/c1-3-5-4-2/h5H,1,4H2,2H3

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   228  
Energy 298.15K   217  
Atomization Enthalpy 298.15K x158x
Atomization Enthalpy 0K x162x
Entropy (298.15K) entropy x154x
Entropy at any temperature   154  
Integrated Heat Capacity integrated heat capacity x154x
Heat Capacity (Cp) Heat capacity x154x
Nuclear Repulsion Energy   218  
HOMO-LUMO Energies HOMO energies   124  
Barriers to Internal Rotation internal rotation  0 
Geometries Cartesians  188  
Internal Coordinates bond lengths bond angles  187 
Products of moments of inertia moments of inertia  209 
Rotational Constants rotational constants  213 
Point Group  216 
Vibrations Vibrational Frequencies vibrations fun. 213x
Vibrational Intensities  226 
Zero-point energies  213 
Vibrational scaling factors  
Anharmonic frequencies and constants   1  
Raman frequencies and intensities   5  
Electronic States Electronic states x 0  
Electrostatics Atom charges   185  
Dipole dipole  188 
Quadrupole quadrupole  182 
Polarizability polarizability  170 
Other results Spin   0  
Number of basis functions   6  
Conformations   1