In geometry, an octahedron (pl.: octahedra or octahedrons) is a polyhedron with eight faces. One special case is the regular octahedron, a Platonic solid...

of octahedra may be: Compound of two octahedra Compound of three octahedra Also Compound of three triangular antiprisms Compound of four octahedra More...

The compound of five octahedra is one of the five regular polyhedron compounds, and can also be seen as a stellation. It was first described by Edmund...

mathematics, the compound of three octahedra or octahedron 3-compound is a polyhedral compound formed from three regular octahedra, all sharing a common center...

compounds of ten octahedra UC15 and UC16 are two uniform polyhedron compounds. They are composed of a symmetric arrangement of 10 octahedra, considered as...

A. Jr (1999). "Figure 5.5: Uniform space-filling using only truncated octahedra". Nanomedicine, Volume I: Basic Capabilities. Georgetown, Texas: Landes...

or 2 positions of slab layer of cells, each alternating tetrahedra and octahedra. An infinite number of unique honeycombs can be created by higher order...

compound of eight octahedra with rotational freedom is a uniform polyhedron compound. It is composed of a symmetric arrangement of 8 octahedra, considered as...

The compound of four octahedra is a uniform polyhedron compound. It's composed of a symmetric arrangement of 4 octahedra, considered as triangular antiprisms...

The compound of six octahedra has two forms. One form is a symmetric arrangement of 6 octahedra, considered as square bipyramid. It is a dual of a special...

truncated octahedra (or, equivalently, bitruncated cubes). It has 4 truncated octahedra around each vertex. Being composed entirely of truncated octahedra, it...

based on edge-sharing octahedra. Ball-and-stick model of molybdenum(III) bromide, an inorganic polymer based on face-sharing octahedra. View almost down the...

octahedra can be obtained by orienting two pairs of compounds of ten octahedra, which can also coincide to yield a regular compound of five octahedra...

cation in the A site so BX6 octahedra can be corner shared. 2D perovskites form when the A-site cation is larger so octahedra sheets are formed. In 1D perovskites...

vertices of the Bricard octahedra. In his publication describing these octahedra, Bricard completely classified the flexible octahedra. His work in this area...

The compound of twenty octahedra is a uniform polyhedron compound. It's composed of a symmetric arrangement of 20 octahedra (considered as triangular antiprisms)...

compound of four octahedra with rotational freedom is a uniform polyhedron compound. It consists in a symmetric arrangement of 4 octahedra, considered as...

octahedra in an orthorhombic crystal. The octahedra share edges and form chains which are cross-linked by oxygen atoms to form layers. The octahedra have...

antiprisms 2 digonal antiprisms (tetrahedra) 2 triangular antiprisms (octahedra) 2 square antiprisms 2 hexagonal antiprisms 2 pentagrammic crossed antiprism...

which the coordination octahedra are arranged so that each one shares only two edges (and no faces) with adjoining octahedra. The other two, less stable...

honeycomb) in Euclidean 3-space. It is composed of alternating regular octahedra and tetrahedra in a ratio of 1:2. Other names include half cubic honeycomb...

sheets of edge-sharing octahedra: 05 Bahianite, 10 Simpsonite 04.DD With medium-sized cations; frameworks of edge-sharing octahedra: 05 Anatase, 10 Brookite...

Crystal structure of CH3NH3PbI3. The methylammonium cation (CH3NH3+) is surrounded by PbI6 octahedra, the basis of perovskite solar cells....

metamorphosed. The largest documented crystal of galena is composite cubo-octahedra from the Great Laxey Mine, Isle of Man, measuring 25 cm × 25 cm × 25 cm...

be made by placing octahedra on the cuboctahedra, resulting in a nonuniform honeycomb with two kinds of octahedra (regular octahedra and triangular antiprisms)...

compound of twenty octahedra with rotational freedom is a uniform polyhedron compound. It's composed of a symmetric arrangement of 20 octahedra, considered as...

β-cristobalite; red spheres are oxygen atoms. Cristobalite occurs as white octahedra or spherulites in acidic volcanic rocks and in converted diatomaceous...

Hoffmann, Roald (2002-05-01). "Chains of trans-edge-sharing molybdenum octahedra: metal-metal bonding in extended systems". Journal of the American Chemical...

with 48 triangular faces, and a polyhedral compound of three flattened octahedra with 24 overlapping triangular faces. Escher's solid can tessellate space...

bixbyite. The hexagonal crystal system found in beryls are formed of AlO6 octahedra, as well as BeO4 and SiO4 tetrahedra. The hexagonal chanels of red beryl...