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Digitale Medien

Nb4Te17I4, a New Pseudo One-Dimensional Solid-State Polytelluride (1994)

Tremel, Wolfgang

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 127 (1994), S. 11-14

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Details

ISSN: 0009-2940

Schlagwort(e): Niobium iodide telluride ; Polytellurides ; Chain compounds, one-dimensional ; Chemistry ; Inorganic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The new ternary compound Nb4Te17I4 has been prepared and structurally characterized. It crystallizes in the monoclinic system, space group C2/c with unit-cell parameters a = 16.199(4), b = 8.128(2), c = 27.355(6) Å, β = 110.84(2)°, Z = 4. The structure consists of infinite one-dimensional niobium/tellurium chains running parallel to the crystallographic c direction. The chains are separated by iodine atoms. Short and long metal-metal distances alternate in the sequence of three consecutive short bonds ([d ≈ 3.1 - 3.2 Å) and one long (d = 4.268 Å) metal-metal separation. Each Nb atom is eight-coordinate. The composition of the chain is ∞11[(Nb5+)2(Nb4+)2(Te22-)4(Te32-)3(I-)4].

Zusätzliches Material: 2 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/cber.19941270103

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