WebElements Periodic Table of the Elements | Neptunium

Neptunium: crystal structure

Space group: Pnma (Space group number: 62)
Structure: orthorhombic
Cell parameters:
- a: 666.3 pm
- b: 472.3 pm
- c: 488.7 pm
- α: 90.000°
- β: 90.000°
- γ: 90.000°

You may view the structure of neptunium:

interactively (Jmol) or
non-interactively

neptuniumcrystal structure image (ball and stick style)

References

W.H. Zachariasen, Acta Crystallogr., 1952, 5, 660.

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Neptunium	Neptunium
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Nettunio	Neptunio
Neptunium	Neptúnio

Neptunium
- Essential data: names, symbol, atomic number, and atomic weight; block, period, and group in periodic table; description; standard state; registry number; and isolation
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Neptunium around us
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Chemistry and compounds
- Compounds: halides, oxides, sulfides, hydrides, and complexes; lattice energies; and reduction potentials
- Reactions of neptunium: reactions of neptunium with air; water; halogens; acids; and bases
- Electronegativities: Pauling; Sanderson; Allred Rochow; Mulliken-Jaffe; and Allen
- Bond enthalpies of diatomic species
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Element properties
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- Isotopes: isotope abundances; radioactive isotopes; isotope masses; nuclear spins; and nuclear magnetic moment
- NMR properties: frequencies; isotopes; magnetogyric ratios; quadrupole moments; receptivities; and relative sensitivities
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