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Medientyp:
E-Artikel
Titel:
Darstellung und Kristallstruktur von Arsen(III)phosplior(V)oxid, AsPO4 / Preparation and Crystal Structure of Arsenic(III) Phosphorus(V) Oxide, AsPO4
Beteiligte:
Bodenstein, Doris;
Brehm, Axel;
Jones, Peter G.;
Schwarzmann, Einhard;
Sheldrick, George M.
Beschreibung:
<jats:title>Abstract</jats:title>
<jats:p> The compound ASPO<jats:sub>4</jats:sub> was prepared from AS<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> and P<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub> in a sealed tube at 673 K. The crystal structure, isostructural with AsO<jats:sub>2</jats:sub>, was refined to R = 0.021 [Pnma, a - 843.15(10), b = 502.29(10), c = 720.39(12) pm, Z = 4]. The structure consists of infinite layers. The arsenic(III) atoms are coordinated by three oxygen atoms at right angles; phosphorus(V) by four oxygens in the form of a distorted tetrahedron</jats:p>