(Sr 6 N)[Ga 5 ] and (Ba 6 N)[Ga 5 ]: Compounds with Discrete (M 6 N) Octahedra and [Ga 5 ] Clusters | Zendy

Cordier Gerhard | Zendy; Ludwig Matthias | Zendy; Stahl Dagmar | Zendy; Schmidt Peter C. | Zendy; Kniep Rüdiger | Zendy

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(Sr 6 N)[Ga 5 ] and (Ba 6 N)[Ga 5 ]: Compounds with Discrete (M 6 N) Octahedra and [Ga 5 ] Clusters

Author(s) -

Cordier Gerhard,

Ludwig Matthias,

Stahl Dagmar,

Schmidt Peter C.,

Kniep Rüdiger

Publication year - 1995

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199517611

Subject(s) - octahedron , crystallography , crystal structure , hexagonal crystal system , trigonal crystal system , crystal (programming language) , unit (ring theory) , electron , charge (physics) , materials science , condensed matter physics , chemistry , physics , mathematics , computer science , mathematics education , programming language , quantum mechanics

[Ga 5 ] 7− trigonal bipyramids and (M 6 N) 9+ octahedra are present in the crystal structures of the isotypic title compounds. The charge in these phases is balanced by two electrons in metallic states: {(M 6 N) 9+ [Ga 5 ] 7− · 2e − }. This simple model of the chemical bonding is supported by band structure calculations. A section of the hexagonal crystal structure together with a pseudo‐cubic unit cell is shown on the right.

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