Amor Haddad

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The title compound, potassium strontium trialuminium tetra-arsenate, was prepared by solid-state reaction. The structure consists of AlO(6) octa-hedra (site symmetries 2.. and 2/m) and two AsO(4) tetra-hedra (.2. and m..) sharing corners and edges to form a two-dimensional structure parallel to (010). The cations are occupationally disordered and are(More)
The title compound, sodium calcium trimagnesium tris-(arsenate), an alluaudite-like arsenate, was prepared by solid-state reaction at high temperature. The structure is built up from edge-sharing MgO(6) octa-hedra in chains associated with the AsO(4) arsenate groups. The three-dimensional network leads to two different tunnels occupied statistically by(More)
The single crystal of sodium manganese arsenate (1.72/3.28/12), Na(1.72)Mn(3.28)(AsO(4))(3), used for analysis was prepared by solid-state reaction at 1073 K. The compound crystallizes in the monoclinic system in space group C2/c. The structure consists of a complex network of edge-sharing MnO(6) octahedral chains, linked together by AsO(4) tetrahedra,(More)
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