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Rock salt (NaCl)

NaCl (B1) · Fm-3m (225)

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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°

Also crystallizes this way

LiFKClMgOAgClPbS