Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Hamza, Kherfi"'
1
ACr(C2O4)2(H2O)4(A= Li or Na): two new coordination polymers of low dimensionality with different hydrogen-bond networks
Autor: Fadila Balegroune, Malika Hamadène, Hamza Kherfi, Mohamed Al Amine Benhacine
Publikováno v: Acta Crystallographica Section C Structural Chemistry. 75:1524-1534
Single crystals of two new bimetallic oxalate compounds with the formula [ACr(C2O4)2(H2O)4]n(A= Li or Na), namelycatena-poly[[diaqualithium(I)]-μ-oxalato-κ4O1,O2:O1′,O2′-[diaquachromium(III)]-μ-oxalato-κ4O1,O2:O1′,O2′], (I), andcatena-pol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::185b1a7d296992c0054a44fbb6dd15cc
https://doi.org/10.1107/s2053229619014074
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2
Akademický článek
Poly[di-μ-aqua-diaquabis(μ7-oxalato-κ9O1:O1:O1,O2:O2:O2′:O2′,O1′:O1′)calciumdicaesium]
Autor: Hamza Kherfi, Malika Hamadène, Achoura Guehria-Laïdoudi, Slimane Dahaoui, Claude Lecomte
Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 9, Pp m493-m494 (2013)
In the title compound, [CaCs2(C2O4)2(H2O)4]n, the Ca2+ ion, lying on a twofold rotation axis, is coordinated by four O atoms from two oxalate ligands and two bridging water molecules in an octahedral geometry. The Cs+ ion is coordinated by seven O at
Externí odkaz: https://doaj.org/article/6fdf8d4e78554f21959646f0dfc1285e
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4
Synthesis, Structure and Thermal Behavior of Oxalato-Bridged Rb+ and H3O+ Extended Frameworks with Different Dimensionalities
Autor: Hamza Kherfi, Claude Lecomte, Achoura Guehria-Laïdoudi, Malika Hamadène, Slimane Dahaoui
Publikováno v: Materials, Vol 3, Iss 2, Pp 1281-1301 (2010)
Materials; Volume 3; Issue 2; Pages: 1281-1301
Materials
Correlative studies of three oxalato-bridged polymers, obtained under hydrothermal conditions for the two isostructural compounds {Rb(HC2O4)(H2C2O4)(H2O)2}∞1, 1, {H3O(HC2O4)(H2C2O4).2H2O}∞1, 2, and by conventional synthetic method for {Rb(HC2O4)}
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb73e5fa49644a3411e21f0aed2c38d7
http://www.mdpi.com/1996-1944/3/2/1281/
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5
Poly[di-μ-aqua-di-aqua-bis-(μ7-oxalato-κ(9) O (1):O (1):O (1),O (2):O (2):O (2'):O (2'),O (1'):O (1'))calciumdicaesium]
Autor: Hamza, Kherfi, Malika, Hamadène, Achoura, Guehria-Laïdoudi, Slimane, Dahaoui, Claude, Lecomte
Publikováno v: Acta Crystallographica Section E: Structure Reports
In the title compound, [CaCs2(C2O4)2(H2O)4] n , the Ca(2+) ion, lying on a twofold rotation axis, is coordinated by four O atoms from two oxalate ligands and two bridging water mol-ecules in an octa-hedral geometry. The Cs(+) ion is coordinated by se
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::bbfd1ea03e98ceddd92711dd8296551e
https://pubmed.ncbi.nlm.nih.gov/24426991
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6
Poly[di-μ-aqua-diaquabis(μ7-oxalato-κ9O1:O1:O1,O2:O2:O2′:O2′,O1′:O1′)calciumdicaesium]
Autor: Achoura Guehria-Laïdoudi, Claude Lecomte, Slimane Dahaoui, Hamza Kherfi, Malika Hamadène
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 69:m493-m494
In the title compound, [CaCs2(C2O4)2(H2O)4]n, the Ca2+ ion, lying on a twofold rotation axis, is coordinated by four O atoms from two oxalate ligands and two bridging water mol­ecules in an octa­hedral geometry. The Cs+ ion is coordinated by seven
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a36357336967d9f5b5932645be19bd8
https://doi.org/10.1107/s1600536813022654
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9
Synthesis, magneto-structural features and thermal behavior of a new MOF
Autor: Claude Lecomte, Slimane Dahaoui, Belkacem Benmerad, Achoura Guehria-Laïdoudi, K. Aliouane, N. Rahahlia, Hamza Kherfi
Publikováno v: Acta Crystallographica Section A Foundations and Advances. 70:C1232-C1232
By applying soft synthesis conditions, in presence of a mixture that contains malonic acid, (3 mmol), lanthanide salt CeCl3.7H2O (1 mmol), alkaline-earth hydroxide Ca(OH)2 (1 mmol), and at pH below 4, we have obtained single crystals of a novel rare-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::974db2e6c4ee7b45ed6c7d378c1ec510
https://doi.org/10.1107/s2053273314087671
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10
Comparative study of two oxalate isomers with different dimensionalities
Autor: Hamza Kherfi, Slimane Dahaoui, Malika Hamadène, Achoura Guehria-Laïdoudi, Claude Lecomte
Publikováno v: Acta Crystallographica Section A Foundations and Advances. 70:C656-C656
We report here two bimetallic oxalate isomers with the same chemical formula [RbCr(C2O4)2(H2O)2], which have been synthesized respectively by a slow evaporation method at room temperature (compound I) [1], and under hydrothermal conditions (compound
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::437d28938b89fb02c4fa5b8809941129
https://doi.org/10.1107/s2053273314093437
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