Solid State

Navigate through the different structure types below.

Basic Structures

Cubic close packed / Face-centred cubic (ccp/fcc)
Hexagonal close packed (hcp)
Simple cubic, Body-centred cubic (bcc) and related Primitive Caesium Chloride (CsCl) structure

Structures derived from close packing

Formula
Type and fraction of sites occupied
ccp
hcp
AB

All octahedral

1/2 tetrahedral

(T+ or T-)


AB2

All tetrahedral

Not Known

AB3

1/3 octahedral

(alternate layers 2/3 full/empty)

A2B

1/2 octahedral

(alternate layers)

1/2 octahedral

(ordered framework)


A3B

All octahedral and tetrahedral

Not Known

Advanced Structures

Rhenium trioxide (ReO3) and related Perovskite (CaTiO3)
Spinel (MgAl2O4) and related Inverse Spinel (Mg2TiO4)