Ethyl­ene­diaminium niobium oxyfluoride | Zendy

Stephens Nicholas F. | Zendy; Lightfoot Philip | Zendy

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Ethylenediaminium niobium oxyfluoride

Author(s) -

Stephens Nicholas F.,

Lightfoot Philip

Publication year - 2005

Publication title -

acta crystallographica section c

Language(s) - English

Resource type - Journals

eISSN - 1600-5759

pISSN - 0108-2701

DOI - 10.1107/s0108270105018032

Subject(s) - octahedron , niobium , crystallography , bond length , atom (system on chip) , chemistry , materials science , crystal structure , metallurgy , computer science , embedded system

The title compound, bis(ethylenediaminium) μ‐oxo‐bis[tetrafluorooxoniobium(V)], (C 2 H 10 N 2 ) 2 [Nb 2 O 3 F 8 ], is a novel organically templated niobium oxyfluoride. It consists of isolated [Nb 2 O 3 F 8 ] 4− octahedral dimers charge balanced by ethylenediaminium cations, two of which lie about inversion centres. Two NbO 2 F 4 octahedra are fused through a common O atom to form the dimers. Characteristic short terminal Nb=O bond lengths and longer Nb—F and bridging Nb—O bond lengths are observed, which result in the out‐of‐centre distortion of the octahedra, a manifestation of the second‐order Jahn–Teller effect. Extensive hydrogen bonding between the dimers and the organic template is exhibited.

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