### Some articles on *octahedra*:

Compound Of Twenty

... polyhedron compound is a symmetric arrangement of 20

**Octahedra**With Rotational Freedom... polyhedron compound is a symmetric arrangement of 20

**octahedra**, considered as triangular antiprisms ... It can be constructed by superimposing two copies of the compound of 10**octahedra**UC16, and for each resulting pair of**octahedra**, rotating each octahedron in the pair by an ... When θ is zero or 60 degrees, the**octahedra**coincide in pairs yielding (two superimposed copies of) the compounds of ten**octahedra**UC16 and UC15 ...Compound Of Twenty

... This uniform polyhedron compound is a symmetric arrangement of 20

**Octahedra**... This uniform polyhedron compound is a symmetric arrangement of 20

**octahedra**(considered as triangular antiprisms) ... It is a special case of the compound of 20**octahedra**with rotational freedom, in which pairs of octahedral vertices coincide ...Molybdenum Trioxide - Structure

... state, anhydrous MoO3 is composed of layers of distorted MoO6

... state, anhydrous MoO3 is composed of layers of distorted MoO6

**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 one short molydenum-oxygen bond to a non-bridging oxygen ...Tetrahedral-

... It is composed of alternating

**octahedra**l Honeycomb... It is composed of alternating

**octahedra**and tetrahedra in a ratio of 12 ... It is vertex-transitive with 8 tetrahedra and 6**octahedra**around each vertex ... It is edge-transitive with 2 tetrahedra and 2**octahedra**alternating on each edge ...Bitruncated Cubic Honeycomb

... tessellation (or honeycomb) in Euclidean 3-space made up of truncated

... tessellation (or honeycomb) in Euclidean 3-space made up of truncated

**octahedra**... It has 4 truncated**octahedra**around each vertex ... Being composed entirely of truncated**octahedra**, it is cell-transitive ...Main Site Subjects

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