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Hydrogen bond studies. CXXXVIII. Neutron diffraction studies of LiNO 3.3H 2O at 120 and 295K
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry.
1980 (English)In: Acta Crystallogr. B, Struct. Crystallogr. Cryst. Chem. (Denmark), ISSN 0567-7408, Vol. B36, 1032-1040 p.Article in journal (Refereed) Published
Abstract [en]

For pt.CXXXVII see ibid., vol.B35, p.2384 (1979). LiNO 3.3H 2O has been studied by neutron diffraction at 120 and 295 K. The final R(w.F 2) values are 4.5% (120K) and 4.9% (295K). The crystal structure found in a previous room-temperature X-ray study is confirmed: one water molecule is involved in six hydrogen bonds; the other independent water molecule in the structure has a tetrahedral environment comprising two Li + ions and two medium-strong hydrogen bonds. The four different O...O hydrogen-bond lengths increase by 0.02-0.03 Aring going from 120 to 295K. The mean-square amplitudes of vibration for the N and O atoms are found to be closely proportional to temperature. For the H and Li atoms the vibrational amplitudes are less sensitive to temperature. Crystal data: space group Cmcm, Z=4; at 120K a=6.713 (7), b=12.669 (4), c=5.968 (5) Aring; at 295K a=6.8018 (4), b=12.7132 (9), c=5.9990 (4) Aring.

Place, publisher, year, edition, pages
1980. Vol. B36, 1032-1040 p.
Keyword [en]
Experimental/ crystal atomic structure of inorganic compounds, hydrogen bonds, lithium compounds, neutron diffraction examination of materials/ crystal structure, X-ray study, tetrahedral environment, bond lengths, vibrational amplitudes, space group, hydrogen bond studies, neutron diffraction studies, LiNO 3.3H 2O, 120 and 295K/ A3520G Molecular bond strengths, dissociation energies, hydrogen bonding A6160 Crystal structure of specific inorganic compounds
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-228739ISI: 1568065OAI: oai:DiVA.org:uu-228739DiVA: diva2:734773
Available from: 2014-07-21 Created: 2014-07-21 Last updated: 2014-07-21

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