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A neutron diffraction determination of the structure of deuterated aluminium nitrate nonahydrate, Al(NO 3) 3.9D 2O
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry.
1983 (English)In: Acta Crystallographica Section C: Crystal Structure Communications, ISSN 0108-2701, E-ISSN 1600-5759, Vol. C39, 925-930 p.Article in journal (Refereed) Published
Abstract [en]

Mr=393.26, monoclinic, P2 1/ c, a=13.8937 (14), b=9.6258 (7), c=10.9127 (7) Aring, beta=95.66 (1)deg, V=1452.3 (2) Aring 3, T=295K [the cell parameters were determined from the refinement of 39 theta values from a Guinier-Hagg X-ray powder film (Cr Kalpha radiation, lambda=2.28975 Aring, using a CoP 3 standard: a=7.70778 Aring)], Z=4, Dx=1.80 Mg m -3, final Rw( F2)=0.069 for all 4480 independent reflections collected out to sintheta/lambda=0.69 Aring -1. The crystal structure of Al(NO 3) 3.9D 2O has been studied by three-dimensional neutron diffraction data collected at 295K. The asymmetric unit contains Al(D 2O) 63+ octahedra, NO 3- ions and three D 2O molecules which are not coordinated to Al 3+ ions. All nine water molecules in the formula unit are crystallographically independent and the 19 hydrogen bonds donated have O...O distances in the range 2.650 (2)-3.054 (2) Aring. The hydrogen bonds donated by the D 2O molecules which are coordinated to Al 3+ ions are shorter than the other hydrogen bonds. A distinct correlation exists between the O-D and D...O distances.

Place, publisher, year, edition, pages
1983. Vol. C39, 925-930 p.
Keyword [en]
Experimental/ aluminium compounds, crystal atomic structure of inorganic compounds, hydrogen bonds, neutron diffraction examination of materials/ monoclinic system, space group, lattice constants, interatomic distances, unit cell volume, H bonds, X-ray powder diffraction, bond lengths, neutron diffraction, crystal structure, Al(NO 3) 3.9D 2O / A6150L Crystal binding A6160 Crystal structure of specific inorganic compounds
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-228750ISI: 2133688OAI: oai:DiVA.org:uu-228750DiVA: diva2:734791
Available from: 2014-07-21 Created: 2014-07-21 Last updated: 2017-12-05

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