The two novel tetraarsaniobates(V) Na5Sr[NbAs4] and K5Ba[NbAs4] have been synthesized from the powders of As, Nb and binary arsenides Na3As, K3As, SrAs or BaAs in sealed niobium ampoules and characterized by single crystal X-ray crystallography. The compounds crystallize in the hP22 type of Na6[ZnO4] (space group P63mc (No. 186); Na5Sr[NbAs4], a = 955.7(1) pm, c = 751.7(2) pm; K5Ba[NbAs4], a = 1039.6(2) pm, c = 809.7(3) pm; Z = 2). The bond lengths d(Nb-As) in the [NbAs4]7- anions range from 248.0(4) to 248.8(1) pm and from 249.2(3) to 250.3(1) pm in Na5Sr[NbAs4] and K5Ba[NbAs4] respectively.

Kanamaluru Vidyasagar

Department Of Chemistry

Arsenic compounds

Characterization

Chemical bonds

Crystal Structure

Crystallization

Ions

Single crystals

Synthesis (chemical)

X ray crystallography

X ray powder diffraction

Anions

NIOBIUM AMPOULES

PRICTIDES

TETRAARSANIOBATES

Niobium compounds

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IIT Madras

Synthesis and structure of Na5Sr[NbAs4] and K5Ba[NbAs4]

Journal of Alloys and Compounds

Zeitschrift für anorganische und allgemeine Chemie

Front Cover (Z. Anorg. Allg. Chem. 1/2019)

ChemInform

ChemInform Abstract: Synthesis and Structure of the Zintl Compound Na2Sr3As4.

Angewandte Chemie International Edition

Functionalized DNA: A New Replicable Biopolymer We thank Dr. Andreas Marx, University of Bonn, for helpful advice and discussions. This work was supported by the Fonds der Chemischen Industrie, the Karl-Ziegler Stiftung, and the Deutsche Forschungsgemeinschaft.

Direct Methods for Solving Macromolecular Structures

SHELX Applications to Macromolecules

Chemistry and structural chemistry of phosphides and polyphosphides 55

Journal	Data powered by TypesetJournal of Alloys and Compounds
Publisher	Data powered by TypesetElsevier BV
ISSN	09258388
Open Access	No