Gali, S. and Cardenas, A. and Byrappa, K. and Gopalakrishna, G. S. (1992) Structure of aluminium disodium trihydrogenbis(diphosphate). Acta Crystallographica Section C-Crystal Structure Communications, 48 (9). pp. 1650-1652.
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Na2AlH3(P2O7)2, M(r) = 423.9, triclinic, P1BAR, a = 8.311 (4), b = 7.363 (4), c = 4.902 (3) angstrom, alpha = 99.67 (2), beta = 81.77 (2), gamma = 114.48 (1)-degrees, V = 268.2 (4) angstrom3, Z = 1, D(x) = 2.624 g cm-3, lambda(Mo Kalpha) = 0.7107 angstrom, mu = 9.31 cm-1, F(000) = 210, T = 293 K, R = 0.032 for 761 independent observed reflections. The Al octahedron shares two opposite edges with two diphosphate anions. In each anion, one PO4 tetrahedron connects two Al octahedra, forming an Al-(P1,P1)-Al chain parallel to the c axis. The H atoms are thought to lie around the inversion centres at (1/2 1/2 0),(1/2 0 1/2) and (0 1/2 1/2) where small residual difference peaks were found. Na ions are located in tunnel-shaped cavities parallel to c.
| Item Type: | Article |
|---|---|
| Subjects: | F Earth Science > Geology |
| Divisions: | Department of > Earth Science |
| Depositing User: | Users 23 not found. |
| Date Deposited: | 18 May 2021 06:18 |
| Last Modified: | 24 Jun 2022 10:22 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/16423 |
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