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All data (experiment and calculated) in the CCCBDB for He (Helium atom)

1907021335
Other names
Helium;
INChI
InChI=1S/He

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   1540  
Energy 298.15K   108  
Atomization Enthalpy 298.15K x0x
Atomization Enthalpy 0K x0x
Entropy (298.15K) entropy x72x
Entropy at any temperature   72  
Integrated Heat Capacity integrated heat capacity x72x
Heat Capacity (Cp) Heat capacity x72x
Nuclear Repulsion Energy   18  
HOMO-LUMO Energies HOMO energies   46  
Barriers to Internal Rotation internal rotation  0 
Geometries Cartesians x0  
Internal Coordinates bond lengths bond angles  0 
Products of moments of inertia moments of inertia  0 
Rotational Constants rotational constants  0 
Point Group  1498 
Vibrations Vibrational Frequencies vibrations  0 
Vibrational Intensities  0 
Zero-point energies x0x
Vibrational scaling factors x
Anharmonic frequencies and constants      
Raman frequencies and intensities   0  
Electronic States Electronic states x 633  
Electrostatics Atom charges   340  
Dipole dipole  62 
Quadrupole quadrupole  485 
Polarizability polarizability x9x
Other results Spin   650  
Number of basis functions   110  
Conformations   1