Reference

Release:

2.0.0

Date:

Dec 06, 2024

• Core table
  • periodictable.core
    • Element
      • Element.add_isotope()
      • Element.K_alpha
      • Element.K_alpha_units
      • Element.K_beta1
      • Element.K_beta1_units
      • Element.abundance_units
      • Element.charge
      • Element.covalent_radius
      • Element.covalent_radius_uncertainty
      • Element.covalent_radius_units
      • Element.crystal_structure
      • Element.density
      • Element.density_units
      • Element.interatomic_distance
      • Element.interatomic_distance_units
      • Element.isotopes
      • Element.magnetic_ff
      • Element.mass
      • Element.mass_units
      • Element.neutron
      • Element.number_density
      • Element.number_density_units
      • Element.table
      • Element.xray
    • Ion
      • Ion.mass
      • Ion.xray
    • Isotope
      • Isotope.abundance
      • Isotope.density
      • Isotope.mass
      • Isotope.neutron
      • Isotope.neutron_activation
    • PeriodicTable
      • PeriodicTable.isotope()
      • PeriodicTable.list()
      • PeriodicTable.name()
      • PeriodicTable.symbol()
    • change_table()
    • default_table()
    • define_elements()
    • delayed_load()
    • get_data_path()
    • isatom()
    • iselement()
    • ision()
    • isisotope()
• Chemical formula operations
  • periodictable.formulas
    • Formula
      • Formula.change_table()
      • Formula.natural_mass_ratio()
      • Formula.neutron_sld()
      • Formula.replace()
      • Formula.volume()
      • Formula.xray_sld()
      • Formula.atoms
      • Formula.charge
      • Formula.hill
      • Formula.mass
      • Formula.mass_fraction
      • Formula.molecular_mass
      • Formula.natural_density
    • count_elements()
    • demo()
    • formula()
    • formula_grammar()
    • from_subscript()
    • mix_by_volume()
    • mix_by_weight()
    • parse_formula()
    • pretty()
    • unicode_subscript()
    • unicode_superscript()
• Covalent radius
  • periodictable.covalent_radius
    • init()
• Fundamental constants
  • periodictable.constants
    • atomic_mass_constant
    • avogadro_number
    • electron_mass
    • electron_radius
    • electron_volt
    • neutron_mass
    • planck_constant
    • speed_of_light
• Crystal structure
  • periodictable.crystal_structure
    • init()
• Density
  • periodictable.density
    • density()
    • init()
    • interatomic_distance()
    • number_density()
• FASTA format for DNA/RNA and amino acid sequences
  • periodictable.fasta
    • Molecule
      • Molecule.D2Osld()
    • Sequence
      • Sequence.D2Osld()
      • Sequence.load()
      • Sequence.loadall()
    • D2Omatch()
    • fasta_table()
    • isotope_substitution()
    • read_fasta()
    • test()
    • D2O_SLD
    • H2O_SLD
• Magnetic Form Factor
  • periodictable.magnetic_ff
    • MagneticFormFactor
      • MagneticFormFactor.J_Q()
      • MagneticFormFactor.M_Q()
      • MagneticFormFactor.j0_Q()
      • MagneticFormFactor.j2_Q()
      • MagneticFormFactor.j4_Q()
      • MagneticFormFactor.j6_Q()
      • MagneticFormFactor.M
    • formfactor_0()
    • formfactor_n()
    • init()
• Mass
  • periodictable.mass
    • abundance()
    • check_abundance()
    • init()
    • mass()
    • print_abundance()
    • print_natural_mass()
• Neutron activation
  • periodictable.activation
    • ActivationEnvironment
      • ActivationEnvironment.epithermal_reduction_factor
    • ActivationResult
    • Sample
      • Sample.calculate_activation()
      • Sample.decay_time()
      • Sample.show_table()
    • IAEA1987_isotopic_abundance()
    • activity()
    • demo()
    • find_root()
    • init()
    • sorted_activity()
    • table_abundance()
• Neutron scattering potentials
  • periodictable.nsf
    • Example
    • Details
    • Neutron
      • Neutron.has_sld()
      • Neutron.scattering()
      • Neutron.scattering_by_wavelength()
      • Neutron.sld()
      • Neutron.absorption
      • Neutron.absorption_units
      • Neutron.abundance
      • Neutron.abundance_units
      • Neutron.b_c
      • Neutron.b_c_complex
      • Neutron.b_c_complex_units
      • Neutron.b_c_i
      • Neutron.b_c_i_units
      • Neutron.b_c_units
      • Neutron.bm
      • Neutron.bm_i
      • Neutron.bm_units
      • Neutron.bp
      • Neutron.bp_i
      • Neutron.bp_units
      • Neutron.coherent
      • Neutron.coherent_units
      • Neutron.incoherent
      • Neutron.incoherent_units
      • Neutron.is_energy_dependent
      • Neutron.nsf_table
      • Neutron.total
      • Neutron.total_units
    • absorption_comparison_table()
    • coherent_comparison_table()
    • energy_dependent_table()
    • incoherent_comparison_table()
    • init()
    • neutron_composite_sld()
    • neutron_energy()
    • neutron_scattering()
    • neutron_sld()
    • neutron_sld_from_atoms()
    • neutron_wavelength()
    • neutron_wavelength_from_velocity()
    • sld_plot()
    • sld_table()
    • total_comparison_table()
• X-ray scattering potentials and spectral lines
  • periodictable.xsf
    • Emission line tables
    • X-ray f1 and f2 tables
    • Xray
      • Xray.f0()
      • Xray.scattering_factors()
      • Xray.sld()
      • Xray.scattering_factors_units
      • Xray.sftable
      • Xray.sftable_units
      • Xray.sld_units
    • emission_table()
    • index_of_refraction()
    • init()
    • init_spectral_lines()
    • mirror_reflectivity()
    • plot_xsf()
    • sld_table()
    • xray_energy()
    • xray_sld()
    • xray_sld_from_atoms()
    • xray_wavelength()
• X-ray scattering factor f0 calculations
  • periodictable.cromermann
    • CromerMannFormula
      • CromerMannFormula.atstol()
      • CromerMannFormula.stollimit
    • fxrayatq()
    • fxrayatstol()
    • getCMformula()
• Element plotter
  • periodictable.plot
    • table_plot()
• Utility functions
  • periodictable.util
    • cell_volume()
    • parse_uncertainty()
• Deprecated mass/abundance values
  • periodictable.mass_2001
    • init()