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All data (experiment and calculated) in the CCCBDB for CH2C(CH3)CH3 (1-Propene, 2-methyl-)

1907021335
Other names
1-Propene, 2-methyl-; γ-Butylene; 1,1-Dimethylethylene; 2-Methyl-1-propene; 2-Methylpropene; 2-Methylpropene-isobutylene; Isobutene; Isobutylene; iso-C4H8; Isopropylidenemethylene; Liquefied petroleum gas; Methylpropene; Propene, 2-methyl-; gamma-Butylene; 2-methylprop-1-ene;
INChI
InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3

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   298  
Energy 298.15K   285  
Atomization Enthalpy 298.15K x200x
Atomization Enthalpy 0K x200x
Entropy (298.15K) entropy x176x
Entropy at any temperature   176  
Integrated Heat Capacity integrated heat capacity x176x
Heat Capacity (Cp) Heat capacity x176x
Nuclear Repulsion Energy   255  
HOMO-LUMO Energies HOMO energies   254  
Barriers to Internal Rotation internal rotation  300 
Geometries Cartesians  229  
Internal Coordinates bond lengths bond angles x228x
Products of moments of inertia moments of inertia x248x
Rotational Constants rotational constants x253x
Point Group  253 
Vibrations Vibrational Frequencies vibrations fun. 244x
Vibrational Intensities  262 
Zero-point energies  244 
Vibrational scaling factors  
Anharmonic frequencies and constants   1  
Raman frequencies and intensities   5  
Electronic States Electronic states x 0  
Electrostatics Atom charges   197  
Dipole dipole x222x
Quadrupole quadrupole  203 
Polarizability polarizability x186x
Other results Spin   0  
Number of basis functions   6  
Conformations   1