http://www.cnr.it/ontology/cnr/individuo/prodotto/ID298323
Crystal-chemical investigation of Al-2(PO4)(OH)(3) augelite from Rapid Creek, Yukon, Canada (Articolo in rivista)
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- Crystal-chemical investigation of Al-2(PO4)(OH)(3) augelite from Rapid Creek, Yukon, Canada (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1515/zkri-2013-1697 (literal)
- Alternative label
Capitelli, F. (1); Saviano, M. (2); Ghiara, M. R. (3); Rossi, M. (3) (2014)
Crystal-chemical investigation of Al-2(PO4)(OH)(3) augelite from Rapid Creek, Yukon, Canada
in Zeitschrift für Kristallographie
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Capitelli, F. (1); Saviano, M. (2); Ghiara, M. R. (3); Rossi, M. (3) (literal)
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- (1) Ist. Cristallografia CNR; Consiglio Nazionale delle Ricerche (CNR); Monterotondo (Roma)
(2) Ist. Cristallografia CNR; Consiglio Nazionale delle Ricerche (CNR); Bari
(3) University of Naples Federico II; University of Naples Federico II, Naples (literal)
- Titolo
- Crystal-chemical investigation of Al-2(PO4)(OH)(3) augelite from Rapid Creek, Yukon, Canada (literal)
- Abstract
- The structural characterization of Al-2(PO4)(OH)(3) augelite, a natural orthophosphate coming from Rapid Creek, Yukon, Canada, was carried out by means of a multi-methodological approach based on WDS-EMPA chemical analysis, single crystal X-ray diffraction, and infrared spectroscopy. The structure was solved in the C2/m monoclinic space group, with the following unit cell constants: a = 13.0740(10), b = 7.9690(7), c = 5.0910(7) angstrom, beta = 112.282(5), V = 490.81(9) angstrom(3). Phosphorus atoms display tetrahedral (PO4) coordination, while aluminum cations display octahedral and unusual five-fold coordination. The framework of the mineral can be viewed as the repetition of cationic arrays made up by AlO6/AlO5 polyhedra, bridged by PO4 groups, and further joined by O-H..O hydrogen bonds: such interactions were also correlated to IR spectroscopy analysis, by means of Libowitzky formula applied on OH stretching vibrations. (literal)
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