Two new types of oxyfluorotellurates(IV): ScTeO3F and InTeO3F.
Identifieur interne : 002091 ( Main/Exploration ); précédent : 002090; suivant : 002092Two new types of oxyfluorotellurates(IV): ScTeO3F and InTeO3F.
Auteurs : RBID : pubmed:18599966Abstract
In the course of a general study of oxyfluorotellurates(IV), materials likely to exhibit interesting nonlinear optical properties, the crystal structures of the new phases scandium tellurium trioxide fluoride, ScTeO(3)F, and indium tellurium trioxide fluoride, InTeO(3)F, belonging to two different structural types and also differing from that of the recently published MTeO(3)F (M = Fe, Ga and Cr) series, have been determined. The ScTeO(3)F structure can be described as an intergrowth of two different layers of scandium octahedra connected via isolated TeO(3) groups. The scandium ions occupy two different sites with ..2 and 2.. site symmetry. The Te, F and O atoms are on general positions of the Pnna space group. The InTeO(3)F structure consists of zigzag sheets of InO(5)F octahedra. The In, Te, O and F atoms are all located on general positions of the P2(1)/a space group. TeO(3)F polyhedra are inserted between the zigzag sheets of InO(5)F octahedra and with them form double (InTeO(3)F)(n) layers. Therefore, InTeO(3)F is a true layer structure, unlike the previous types. In all these phases, the electronic lone pair of the Te(IV) atom is stereochemically active and a full O/F anionic ordering is observed.
DOI: 10.1107/S0108270108017150
PubMed: 18599966
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Thomas, Limoges 87060</wicri:regionArea><placeName><region type="region" nuts="2">Limousin</region></placeName></affiliation></author><author><name sortKey="Laval, Jean Paul" uniqKey="Laval J">Jean Paul Laval</name></author><author><name sortKey="Thomas, Philippe" uniqKey="Thomas P">Philippe Thomas</name></author></titleStmt><publicationStmt><date when="2008">2008</date><idno type="doi">10.1107/S0108270108017150</idno><idno type="RBID">pubmed:18599966</idno><idno type="pmid">18599966</idno><idno type="wicri:Area/Main/Corpus">002317</idno><idno type="wicri:Area/Main/Curation">002317</idno><idno type="wicri:Area/Main/Exploration">002091</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the course of a general study of oxyfluorotellurates(IV), materials likely to exhibit interesting nonlinear optical properties, the crystal structures of the new phases scandium tellurium trioxide fluoride, ScTeO(3)F, and indium tellurium trioxide fluoride, InTeO(3)F, belonging to two different structural types and also differing from that of the recently published MTeO(3)F (M = Fe, Ga and Cr) series, have been determined. The ScTeO(3)F structure can be described as an intergrowth of two different layers of scandium octahedra connected via isolated TeO(3) groups. The scandium ions occupy two different sites with ..2 and 2.. site symmetry. The Te, F and O atoms are on general positions of the Pnna space group. The InTeO(3)F structure consists of zigzag sheets of InO(5)F octahedra. The In, Te, O and F atoms are all located on general positions of the P2(1)/a space group. TeO(3)F polyhedra are inserted between the zigzag sheets of InO(5)F octahedra and with them form double (InTeO(3)F)(n) layers. Therefore, InTeO(3)F is a true layer structure, unlike the previous types. In all these phases, the electronic lone pair of the Te(IV) atom is stereochemically active and a full O/F anionic ordering is observed.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">18599966</PMID><DateCreated><Year>2008</Year><Month>07</Month><Day>07</Day></DateCreated><DateCompleted><Year>2008</Year><Month>09</Month><Day>29</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1600-5759</ISSN><JournalIssue CitedMedium="Internet"><Volume>64</Volume><Issue>Pt 7</Issue><PubDate><Year>2008</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Acta crystallographica. Section C, Crystal structure communications</Title><ISOAbbreviation>Acta Crystallogr C</ISOAbbreviation></Journal><ArticleTitle>Two new types of oxyfluorotellurates(IV): ScTeO3F and InTeO3F.</ArticleTitle><Pagination><MedlinePgn>i57-61</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1107/S0108270108017150</ELocationID><Abstract><AbstractText>In the course of a general study of oxyfluorotellurates(IV), materials likely to exhibit interesting nonlinear optical properties, the crystal structures of the new phases scandium tellurium trioxide fluoride, ScTeO(3)F, and indium tellurium trioxide fluoride, InTeO(3)F, belonging to two different structural types and also differing from that of the recently published MTeO(3)F (M = Fe, Ga and Cr) series, have been determined. The ScTeO(3)F structure can be described as an intergrowth of two different layers of scandium octahedra connected via isolated TeO(3) groups. The scandium ions occupy two different sites with ..2 and 2.. site symmetry. The Te, F and O atoms are on general positions of the Pnna space group. The InTeO(3)F structure consists of zigzag sheets of InO(5)F octahedra. The In, Te, O and F atoms are all located on general positions of the P2(1)/a space group. TeO(3)F polyhedra are inserted between the zigzag sheets of InO(5)F octahedra and with them form double (InTeO(3)F)(n) layers. Therefore, InTeO(3)F is a true layer structure, unlike the previous types. In all these phases, the electronic lone pair of the Te(IV) atom is stereochemically active and a full O/F anionic ordering is observed.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jennene Boukharrata</LastName><ForeName>Nefla</ForeName><Initials>N</Initials><Affiliation>Science des Procédés Céramiques et de Traitements de Surface, UMR-CNRS 6638, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France.</Affiliation></Author><Author ValidYN="Y"><LastName>Laval</LastName><ForeName>Jean Paul</ForeName><Initials>JP</Initials></Author><Author ValidYN="Y"><LastName>Thomas</LastName><ForeName>Philippe</ForeName><Initials>P</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2008</Year><Month>06</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Acta Crystallogr C</MedlineTA><NlmUniqueID>8305826</NlmUniqueID><ISSNLinking>0108-2701</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2008</Year><Month>3</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2008</Year><Month>6</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="epublish"><Year>2008</Year><Month>6</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>7</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>7</Month><Day>5</Day><Hour>9</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>7</Month><Day>5</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">S0108270108017150</ArticleId><ArticleId IdType="doi">10.1107/S0108270108017150</ArticleId><ArticleId IdType="pubmed">18599966</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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