Sodium terbium(III) polyphosphate

Abdelghani Oudahmane, Mohamed Daoud, Boumediene Tanouti, Daniel Avignant, Daniel Zambon
<span title="2010-03-24">2010</span> <i title="International Union of Crystallography (IUCr)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/vpdfk5hud5erfpz3bkb2yrn354" style="color: black;">Acta Crystallographica Section E</a> </i> &nbsp;
Key indicators: single-crystal X-ray study; T = 296 K; mean (P-O) = 0.001 Å; R factor = 0.022; wR factor = 0.055; data-to-parameter ratio = 42.8. Single crystals of the title compound, NaTb(PO 3 ) 4 , were obtained by solid-state reaction. This compound belongs to type II of long-chain polyphosphates with the general formula A I B III (PO 3 ) 4 . It is isotypic with the NaNd(PO 3 ) 4 and NaEr(PO 3 ) 4 homologues. The crystal structure is built up of infinite crenelated chains of corner-sharing
more &raquo; ... O 4 tetrahedra with a repeating unit of four tetrahedra. These chains, extending parallel to [100], are linked by isolated TbO 8 square antiprisms, forming a three-dimensional framework. The Na + ions are located in channels running along [010] and are surrounded by six oxygen atoms in a distorted octahedral environment within a cut-off distance <2.9 Å . inorganic compounds Acta Cryst. (2010). E66, i28-i29 Oudahmane et al. NaTb(PO 3 ) 4 i29 supporting information sup-1 Acta Cryst. (2010). E66, i28-i29 supporting information Acta Cryst. (2010). E66, i28-i29 [
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