WebElements Periodic Table of the Elements | Hafnium

Hafnium: crystal structure

Space group: P63/mmc (Space group number: 194)
Structure: hcp (hexagonal close-packed)
Cell parameters:
- a: 319.64 pm
- b: 319.64 pm
- c: 505.11 pm
- α: 90.000°
- β: 90.000°
- γ: 120.000°

You may view the structure of hafnium:

interactively (Jmol) or
non-interactively

hafniumcrystal structure image (ball and stick style)

References

R. Russell, J. Appl. Phys., 1953, 24, 232.

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Y	Zr	Nb
Lu	Hf	Ta
Lr	Rf	Db

Hafnium	Hafnium
Hafnium	Hafnium
Afnio	Hafnio
Hafnium	Háfnio

Hafnium
- Essential data: names, symbol, atomic number, and atomic weight; block, period, and group in periodic table; description; standard state; registry number; and isolation
- History: meaning of name; discovery; and history of the element
- Uses
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Hafnium around us
- Geology: Abundance of elements in the universe; the sun; meteorites; Earth's crust; oceans; and streams
- Biology: Abundance in humans; biological role; and health hazards)
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Chemistry and compounds
- Compounds: halides, oxides, sulfides, hydrides, and complexes; lattice energies; and reduction potentials
- Reactions of hafnium: reactions of hafnium with air; water; halogens; acids; and bases
- Electronegativities: Pauling; Sanderson; Allred Rochow; Mulliken-Jaffe; and Allen
- Bond enthalpies of diatomic species
- Lattice energies
Element properties
- Physics properties: Boiling point; melting point; density; molar volume; thermal conductivity; and electrical resistivity; bulk modulus; critical temperature; superconductivity temperature; hardness (mineralogical, Brinell, and Vickers); linear expansion coefficient; Poisson's ratio; reflectivity; refractive index; rigidity modulus; Young's modulus; velocity of sound
- Crystal structure
- Thermochemistry: enthalpies of atomization, fusion, and vaporization; thermodynamic properties
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Atom properties
- Electron shell properties: Electronic configuration; term symbol; electron affinity; ionization energies; and atomic spectra
- Atom sizes: atomic radius; Shannon and Pauling ionic radii; covalent radius; metallic radius; element bond length; and Van der Waals radius
- Atomic orbital properties: effective nuclear charge; electron binding energies; and valence orbital radii maxima
Nuclear properties
- 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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1 H																															2 He
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WebElements » Chemistry » Periodic Table » Hafnium » Crystal structures
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