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About
The archetypal ionic crystal: Na⁺ and Cl⁻ each sit at the centre of a regular octahedron of the opposite ion, two interpenetrating face-centred cubic lattices. Six-fold coordination throughout.
Structure
PrototypeNaCl (B1)
Crystal systemcubic
Space groupFm-3m (225)
Latticea = 5.6402 Å
Anglesall 90°
Elements
Also crystallizes this way
LiFKClMgOAgClPbS
Sources
- Structure: Crystallography Open Database (COD)
- Lattice parameters: Wyckoff, Crystal Structures — a = 5.640 Å