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Synthesis and Characterization of a Three-Dimensional Gallium Phosphate, [NH3(CH2)4NH3][Ga4(HPO4)(PO4)4]

✍ Scribed by Ann M. Chippindale; Ashley D. Law

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
236 KB
Volume
142
Category
Article
ISSN
0022-4596

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✦ Synopsis

A new three-dimensional gallium phosphate, [NH 3 (CH 2 ) 4 NH ][Ga 4 (HPO 4 )(PO 4 ) 4 ], has been synthesized under solvothermal conditions at 433 K in the presence of 1,4-diaminobutane and its structure determined using room-temperature single-crystal X-ray diffraction data (M r ‫؍‬ 844.91, monoclinic, space group P2 1 , a ‫؍‬ 5.0404(2), b ‫؍‬ 22.738(3), c ‫؍‬ 9.2968(9) A > , ‫؍‬ 103.800(6)Β°; V ‫؍‬ 1034.72 A > 3 , Z ‫؍‬ 2, R ‫؍‬ 2.77%, and R w ‫؍‬ 3.13% for 2053 observed data (I'3( (I))). The structure consists of GaO 4 and PO 4 tetrahedra and GaO 5 trigonal bipyramids linked to generate an open three-dimensional framework containing 4-, 8-, and 12-membered rings of alternating gallium and phosphorus-based polyhedra. 1,4-Diaminobutane dications reside in the two-dimensional pore network and are hydrogen-bonded to the inorganic framework.

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