Crystal structure of M(IO3)2 metal iodates, twinned by pseudo-merohedry, with MII: MgII, MnII, CoII, Ni II and ZnII
Identifieur interne : 000216 ( France/Analysis ); précédent : 000215; suivant : 000217Crystal structure of M(IO3)2 metal iodates, twinned by pseudo-merohedry, with MII: MgII, MnII, CoII, Ni II and ZnII
Auteurs : Delphine Phanon [France] ; Bachir Bentria [Algérie] ; Erwann Jeanneau [France] ; Djamal Benbertal [Algérie] ; Alain Mosset [France] ; Isabelle Gautier-Luneau [France]Source :
- Zeitschrift für Kristallographie [ 0044-2968 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Etude expérimentale, Structure cristalline, Génération harmonique 2, Microscopie électronique balayage, Calorimétrie différentielle balayage, Affinement, Diffraction RX, Cristal non centrosymétrique, Magnésium Iodate, Nickel Iodate, Zinc Iodate, Composé ternaire, Réseau monoclinique, Structure 3 dimensions, Mg(IO3)2, I Mg O, Mn(IO3)2, I Mn O, 6166F, 4265K, Ni(IO3)2, I N O, Zn(IO3)2, I O Zn, Propriété symétrie.
English descriptors
- KwdEn :
- Crystal structure, Differential scanning calorimetry, Experimental study, Magnesium Iodates, Monoclinic lattices, Nickel Iodates, Non centrosymmetric crystals, Refinement, Scanning electron microscopy, Second harmonic generation, Symmetry property, Ternary compounds, Three dimensional structure, XRD, Zinc Iodates.
Abstract
The non-centrosymmetric materials Zn(IO3)2, Mn(IO3)2, Co(IO3)2, Mg(IO3)2 and β-Ni(IO3)2 have been synthesised by evaporation of nitric acid solutions of metal salts and lithium iodate. All these compounds are isostructural and their structures were characterised both by X-ray diffraction on powder and single crystals. They crystallise in the monoclinic crystal system, space-group type P21 (no. 4) with a pseudo-hexagonal lattice, as shown by the lattice parameters of Mn(IO3)2 for example: a = 11.247(1) Å, b = 5.045(1) Å, c = 11.246(1) Å, β = 120.02(1)°, V = 552.5(1) Å3, Z = 4. This monoclinic symmetry with a ∼ c and β ∼ 120° leads to a three-individual pseudo-hexagonal twin by pseudo-merohedry. The structure reveals a three-dimensional network in which each octahedrally coordinated cation is linked to ten others via iodate bridges. All these metal iodates generate second harmonics.
Affiliations:
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Fourier</orgName></affiliation></author><author><name sortKey="Bentria, Bachir" sort="Bentria, Bachir" uniqKey="Bentria B" first="Bachir" last="Bentria">Bachir Bentria</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Laghouat, Laboratoire de Sciences Fondamentales, BP376</s1><s2>3000 Laghouat</s2><s3>DZA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>3000 Laghouat</wicri:noRegion></affiliation></author><author><name sortKey="Jeanneau, Erwann" sort="Jeanneau, Erwann" uniqKey="Jeanneau E" first="Erwann" last="Jeanneau">Erwann Jeanneau</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie, CNRS, associé à l'Université Joseph Fourier, 25 avenue des Martyrs, BP 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old 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metal iodates, twinned by pseudo-merohedry, with M<sup>II</sup>: Mg<sup>II</sup>, Mn<sup>II</sup>, Co<sup>II</sup>, Ni <sup>II</sup> and Zn<sup>II</sup></title><author><name sortKey="Phanon, Delphine" sort="Phanon, Delphine" uniqKey="Phanon D" first="Delphine" last="Phanon">Delphine Phanon</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie, CNRS, associé à l'Université Joseph Fourier, 25 avenue des Martyrs, BP 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Grenoble</settlement></placeName><orgName type="university">Université Joseph Fourier</orgName></affiliation></author><author><name sortKey="Bentria, Bachir" sort="Bentria, Bachir" uniqKey="Bentria B" first="Bachir" last="Bentria">Bachir Bentria</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Laghouat, Laboratoire de Sciences Fondamentales, BP376</s1><s2>3000 Laghouat</s2><s3>DZA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>3000 Laghouat</wicri:noRegion></affiliation></author><author><name sortKey="Jeanneau, Erwann" sort="Jeanneau, Erwann" uniqKey="Jeanneau E" first="Erwann" last="Jeanneau">Erwann Jeanneau</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie, CNRS, associé à l'Université Joseph Fourier, 25 avenue des Martyrs, BP 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Grenoble</settlement></placeName><orgName type="university">Université Joseph Fourier</orgName></affiliation></author><author><name sortKey="Benbertal, Djamal" sort="Benbertal, Djamal" uniqKey="Benbertal D" first="Djamal" last="Benbertal">Djamal Benbertal</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Laghouat, Laboratoire de Sciences Fondamentales, BP376</s1><s2>3000 Laghouat</s2><s3>DZA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>3000 Laghouat</wicri:noRegion></affiliation></author><author><name sortKey="Mosset, Alain" sort="Mosset, Alain" uniqKey="Mosset A" first="Alain" last="Mosset">Alain Mosset</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie, CNRS, associé à l'Université Joseph Fourier, 25 avenue des Martyrs, BP 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Grenoble</settlement></placeName><orgName type="university">Université Joseph Fourier</orgName></affiliation></author><author><name sortKey="Gautier Luneau, Isabelle" sort="Gautier Luneau, Isabelle" uniqKey="Gautier Luneau I" first="Isabelle" last="Gautier-Luneau">Isabelle Gautier-Luneau</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie, CNRS, associé à l'Université Joseph Fourier, 25 avenue des Martyrs, BP 166</s1><s2>38042 Grenoble</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Grenoble</settlement></placeName><orgName type="university">Université Joseph Fourier</orgName></affiliation></author></analytic><series><title level="j" type="main">Zeitschrift für Kristallographie</title><title level="j" type="abbreviated">Z. Kristallogr.</title><idno type="ISSN">0044-2968</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Zeitschrift für Kristallographie</title><title level="j" type="abbreviated">Z. Kristallogr.</title><idno type="ISSN">0044-2968</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Crystal structure</term><term>Differential scanning calorimetry</term><term>Experimental study</term><term>Magnesium Iodates</term><term>Monoclinic lattices</term><term>Nickel Iodates</term><term>Non centrosymmetric crystals</term><term>Refinement</term><term>Scanning electron microscopy</term><term>Second harmonic generation</term><term>Symmetry property</term><term>Ternary compounds</term><term>Three dimensional structure</term><term>XRD</term><term>Zinc Iodates</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term><term>Structure cristalline</term><term>Génération harmonique 2</term><term>Microscopie électronique balayage</term><term>Calorimétrie différentielle balayage</term><term>Affinement</term><term>Diffraction RX</term><term>Cristal non centrosymétrique</term><term>Magnésium Iodate</term><term>Nickel Iodate</term><term>Zinc Iodate</term><term>Composé ternaire</term><term>Réseau monoclinique</term><term>Structure 3 dimensions</term><term>Mg(IO3)2</term><term>I Mg O</term><term>Mn(IO3)2</term><term>I Mn O</term><term>6166F</term><term>4265K</term><term>Ni(IO3)2</term><term>I N O</term><term>Zn(IO3)2</term><term>I O Zn</term><term>Propriété symétrie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The non-centrosymmetric materials Zn(IO<sub>3</sub>)<sub>2</sub>, Mn(IO<sub>3</sub>)<sub>2</sub>, Co(IO<sub>3</sub>)<sub>2</sub>, Mg(IO<sub>3</sub>)<sub>2</sub> and β-Ni(IO<sub>3</sub>)<sub>2</sub> have been synthesised by evaporation of nitric acid solutions of metal salts and lithium iodate. All these compounds are isostructural and their structures were characterised both by X-ray diffraction on powder and single crystals. They crystallise in the monoclinic crystal system, space-group type P2<sub>1</sub> (no. 4) with a pseudo-hexagonal lattice, as shown by the lattice parameters of Mn(IO<sub>3</sub>)<sub>2</sub> for example: a = 11.247(1) Å, b = 5.045(1) Å, c = 11.246(1) Å, β = 120.02(1)°, V = 552.5(1) Å<sup>3</sup>, Z = 4. This monoclinic symmetry with a ∼ c and β ∼ 120° leads to a three-individual pseudo-hexagonal twin by pseudo-merohedry. The structure reveals a three-dimensional network in which each octahedrally coordinated cation is linked to ten others via iodate bridges. All these metal iodates generate second harmonics.</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Grenoble</li></settlement><orgName><li>Université Joseph Fourier</li></orgName></list><tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Phanon, Delphine" sort="Phanon, Delphine" uniqKey="Phanon D" first="Delphine" last="Phanon">Delphine Phanon</name></region><name sortKey="Gautier Luneau, Isabelle" sort="Gautier Luneau, Isabelle" uniqKey="Gautier Luneau I" first="Isabelle" last="Gautier-Luneau">Isabelle Gautier-Luneau</name><name sortKey="Jeanneau, Erwann" sort="Jeanneau, Erwann" uniqKey="Jeanneau E" first="Erwann" last="Jeanneau">Erwann Jeanneau</name><name sortKey="Mosset, Alain" sort="Mosset, Alain" uniqKey="Mosset A" first="Alain" last="Mosset">Alain Mosset</name></country><country name="Algérie"><noRegion><name sortKey="Bentria, Bachir" sort="Bentria, Bachir" uniqKey="Bentria B" first="Bachir" last="Bentria">Bachir Bentria</name></noRegion><name sortKey="Benbertal, Djamal" sort="Benbertal, Djamal" uniqKey="Benbertal D" first="Djamal" last="Benbertal">Djamal Benbertal</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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