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Dimeric copper(II) 2,2-dimethylpropanoate adducts with 3- or 4-picoline

Autor: S. Ohba, T. Fujita, M. Kato, T. Tokii

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 49:144-147

The structures of tetrakis(μ-2,2-dimethylpropanoato-O,O')-bis(3- or 4-picoline)dicopper(II) benzene solvate, [Cu{(CH 3 ) 3 CCOO} 2 C 6 H 7 N] 2 .C 6 H 6 , have been determined by single-crystal X-ray diffraction. The binuclear Cu II complexes have a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c80b2f05089305d81e233938b5129e39
https://doi.org/10.1107/s0108270192009107

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Magneto-structural corrections of dimeric copper(II) trichloroacetates

Autor: J. P. Rose, Shigeru Ohba, S. Husebye, J. F. Pletcher, Omar W. Steward, Michinobu Kato, Hidehiro Uekusa, T. Tokii, I. Suzuki, Shih-Chi Chang, Y. Muto

Publikováno v: Acta Crystallographica Section B Structural Science. 48:650-667

Determination de seize structures cristallines des trichloroacetates de cuivre II dimeriques. Dans les cristaux dans lesquels la valeur de -2J est petite (inferieure a 200cm -1 ), la geometrie de coordination autour de l'atome Cu est deformee d'une p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0692f24a0f214c9682c44c8b34beffe6
https://doi.org/10.1107/s0108768192002908

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Magneto-structural correlation in dimeric copper(II) benzoates

Autor: T. Kawata, Y. Muto, Michinobu Kato, Hidehiro Uekusa, T. Tokii, T. Furukawa, Shigeru Ohba

Publikováno v: Acta Crystallographica Section B Structural Science. 48:253-261

Les structures de six dimeres de benzoate de cuivre(II) ont ete determinees. Les valeurs de -2J obtenues a partir des mesures de susceptibilite magnetique sont situees dans la gamme 316-350cm -1 . La petite interaction ferromagnetique anormale de l'a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff2500b7a96a27929d83cf31792718f4
https://doi.org/10.1107/s0108768191012697

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The Magnetic Properties of the Tetranuclear Nickel(II) Complex with [(3,5-Dichloro-2-Pyridyl)Azo]-8-Hydroxyquinoline-5-Sulfonate

Autor: Hu Huang, Fumiaki Kai, Tadashiȃ T. Tokii, Yoshifumi Asai, Masaaki Hirohata, Masaaki Nakamura

Publikováno v: Journal of Coordination Chemistry. 25:357-361

Magnetic exchange between the four nickel(II) sites in the title tetranuclear complex has been studied. Experimental magnetic susceptibilities of the complex are well interpreted in terms of the theoretical equation. The four nickel(II) sites are ant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::180929a3fc739bf760f6a52b0d3a9eb3
https://doi.org/10.1080/00958979209409210

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Correlation of electron density and spin-exchange interaction in dimeric copper(II) formates, acetates and silanecarboxylates

Autor: Shigeru Ohba, Michinobu Kato, Y. Muto, Hidehiro Uekusa, T. Tokii, Omar W. Steward, S. Iwata, Yoshio Saito, M. Yamanaka

Publikováno v: Acta Crystallographica Section B Structural Science. 47:344-355

L'etude structurale des complexes du cuivre montre qu'il n'y a pas de difference geometrique importante dans les cages Cu 2 (COO) 4 entre les cuivre acetate et cuivre formiate. Les populations electroniques des groupes carboxylate des coordinats pont

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a51ce302d25b7f88c92fcb2b32e035a3
https://doi.org/10.1107/s0108768190012459

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Akademický článek

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Enhanced nucleophilicity and depressed electrophilicity of peroxide by zinc(II), aluminum(III) and lanthanum(III) ions

Autor: H. Matsushima, Yuzo Nishida, Teruyuki Kobayashi, Satoshi Nishino, T. Tokii

Publikováno v: Zeitschrift fur Naturforschung. C, Journal of biosciences. 56(1-2)

The binuclear zinc(II) complex, [Zn2 (HPTP)(CH3 COO)]2+ was found highly active to cleave DNA (double-strand super-coiled DNA, pBR322 and φχ174) in the presence of hydrogen peroxide. However, no TBARS (2-thiobarbituric acid reactive substance) fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6015df5036c841aef7bc58e54ee6afa
https://pubmed.ncbi.nlm.nih.gov/11302204

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catena-Poly[[tetrakis(micro-2,2-dimethylpropionato-O:O')dicopper(II)]-micro-dioxane-O:O'] and catena-poly[[tetrakis(micro-3,3-dimethylbutyrato-O:O')dicopper(II)]-micro-dioxane-O,O']

Autor: Y, Kani, M, Tsuchimoto, S, Ohba, T, Tokii

Publikováno v: Acta crystallographica. Section C, Crystal structure communications. 56(Pt 3)

The title two compounds, [Cu(2)(C(5)H(9)O(2))(4)(C(4)H(8)O(2))](n), (I), and [Cu(2)(C(6)H(11)O(2))(4)(C(4)H(8)O(2))](n), (II), are isomorphous. The binuclear Cu(II) units have a cage structure and are linked by the dioxane molecules to form a zigzag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::bed410003083e9c58263e1a7cc2210f2
https://pubmed.ncbi.nlm.nih.gov/15263204

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