databases¶

databases.AtomicElementsDatabase()¶

This data base contains all information related to atomic elements. Database information taken from: http://physics.nist.gov/constants

Atomic radii taken from: Cordero, et. al. (2008). Covalent radii revisited. Dalton Transactions, (21), 2832. http://doi.org/10.1039/b801115j

>>> import napmo
>>> napmo.AtomicElementsDatabase()['H'] 
{'atomic_number': 1, 'atomic_radii_2': 0.5858151015155881, 'electron_affinity': -73, 'atomic_radii': 0.5858151015155881, 'boiling_point': 20.28, 'charge': -1, 'symbol': 'H', 'density': 0.084, 'is_quantum': False, 'ionization_energy_1': 1312, 'melting_point': 13.81, 'electronegativity': 2.1, 'name': 'Hydrogen', 'mass': 1.00794}

databases.CouplingConstantsDatabase()¶

This database contains all coupling constants for quatum species, ie. electrons, muons, etc.

>>> import napmo
>>> napmo.CouplingConstantsDatabase()['e-'] 
{'name': 'electron', 'particlesfraction': 0.5, 'kappa': -1.0, 'eta': 2.0, 'symbol': 'e-', 'lambda': 2.0}

databases.ElementaryParticlesDatabase()¶

This database contains all information related to quatum species, ie. electrons, muons, etc.

>>> import napmo
>>> napmo.ElementaryParticlesDatabase()['e-'] 
{'spin': 0.5, 'name': 'electron', 'category': 'lepton', 'is_quantum': True, 'mass': 1.0, 'electron': True, 'symbol': 'e-', 'charge': -1.0}