Structure of aluminium disodium trihydrogenbis(diphosphate)
Abstract
<h2>Acta Crystallographica Section C</h2><h3>Crystal Structure Communications</h3><h3>0108-2701</h3> <h2>short format (inorganic compounds)</h2> Volume 48 Part 9 Pages 1650-1652 September 1992 <h2>Structure of aluminium disodium trihydrogenbis(diphosphate)</h2> S. Galí, A. Cárdenas, K. Byrappa and G. S. Gopalakrishna Acta Cryst. (1992). C48, 1650-1652 Structure of Aluminium Disodium Trihydrogenbis(diphosphate) BY S. GALi Departament de Crb~tallografia, Universitat de Barcelona, Mart{ i Franquds s.n., Barcelona 08028, Catalonia, Spain A. CARDENAS* Departamento de F{sica, Universidad de Antofagasta, Avenida Angamos 601, Antofagasta, Chile AND K. BYRAPPA AND G. S. GOPALAKRISHNA Mineralogical Institute, University of Mysore, Manasagangotri, Mysore 570006, lndia (Received 25 March 1991; accepted 13 January 1992) Abstract. Na2A1H3(P207)2, Mr = 423.9, triclinic, P1, a=8.311(4), b=7.363(4), c=4.902(3) A, a= * Present address: Departament de Cristallografia, Universitat de Barcelona, Barcelona 08028, Catalonia, Spain. 99.67 (2), fl = 81.77 (2), y= 114.48 (1)°, V= 268.2 (4~/~3, Z = 1, Dx = 2.624 g cm-3, a0VIo Ka) = 0.7107 A, /x = 9.31 cm- 1, F(000) = 210, T= 293 K, R = 0.032 for 761 independent observed reflections. The A1 octahedron shares two opposite edges with 0108-2701/92/091650-03506.00 © 1992 International Union of Crystallography S. GALl, A. C/i~RDENAS, K. BYRAPPA AND G. S. GOPALAKRISHNA 1651 two diphosphate anions. In each anion,