The First Example of Dicubane Nickel(II) Complex in the Series of Unsymmetrically Substituted Diketones

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Аннотация

The first homometal dicubane nickel(II) complex based on unsymmetrically substituted 1,3-diketone (1,1,1-trifluoro-4-(2-methoxyphenyl)butan-2,4-dione) was synthesized and studied by X-ray diffraction using synchrotron radiation (CCDC no. 861889). In the crystal of the complex, nickel atoms are joined into tetrahedra sharing a common vertex with Ni…Ni distances of 3.026–3.127 A; the geometry is completed to a distorted dicubane by μ3-bridging oxygen atoms of the hydroxyl groups. The coordination environment of each metal center is a distorted octahedron, the ligand is deprotonated and performs a bidentate function, forming six-membered chelate rings.

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Авторлар туралы

L. Khamidullina

Postovsky Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences; Ural Federal University named after the First President of Russia B.N. Yeltsin

Email: puzyrev@ios.uran.ru
Ресей, Yekaterinburg; Yekaterinburg

I. Puzyrev

Postovsky Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: puzyrev@ios.uran.ru
Ресей, Yekaterinburg

P. Dorovatovsky

Kurchatov Institute

Email: puzyrev@ios.uran.ru
Ресей, Moscow

V. Khrustalev

Peoples' Friendship University of Russia; Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Email: puzyrev@ios.uran.ru
Ресей, Moscow; Moscow

A. Pestov

Postovsky Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences; Ural Federal University named after the First President of Russia B.N. Yeltsin

Email: puzyrev@ios.uran.ru
Ресей, Yekaterinburg; Yekaterinburg

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1. JATS XML
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2. Scheme 1

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3. Fig. 1. Molecular structure of complex I in thermal ellipsoids of 30% probability. Hydrogen atoms and the solvated water molecule are not depicted. For disordered groups only the major components are given

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4. Fig. 2. Structure of the inorganic core and coordination polyhedron of complex I according to PCA data

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5. Fig. 3. Coordination environment of the peripheral metal centre in complex I according to PCA data

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6. Fig. 1

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7. Fig. 2

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8. Fig. 3

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9. Fig. 4. FT-IR spectrum of complex I

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