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Tetra-kis[μ2-1,1,1,3,3,3-hexa-fluoro-2-(tri-fluoro-meth-yl)propan-2-olato]tetra-kis-(μ3-2-methyl-propan-2-olato)octa-copper(I).

ABSTRACT: The title compound, [Cu8(C4H9O)4(C4F9O)4], crystallizes in the monoclinic space group, P21/n and contains a self-assembly of two C16H18Cu4F18O4 units linked by bridging tert-butyl groups [Cu-O bonds of length 2.3779 (15) and 2.4248 (15) Å], generating a centrosymmetric dimer. The asymmetrical unit, C16H18Cu4F18O4, contains an almost square-planar arrangement of the four Cu atoms linked by bridging tert-butyl and perfluorinated tert-butyl groups with Cu-Cu distances ranging from 2.7108 (4) to 2.7612 (4) Å and Cu -Cu-Cu angle values close to 90° [ranging from 89.459 (10)° to 90.025 (11)°]. These dimers are further linked by weak C-H⋯F and F⋯F inter-actions. As is commonly encountered in perfluorinated tert-butyl groups, one of the CF3 groups is disordered and was refined with two equivalent conformations with occupancies of 0.74 (3) and 0.26 (3).

SUBMITTER: Purdy AP 

PROVIDER: S-EPMC8183444 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature

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Tetra-kis[μ<sub>2</sub>-1,1,1,3,3,3-hexa-fluoro-2-(tri-fluoro-meth-yl)propan-2-olato]tetra-kis-(μ<sub>3</sub>-2-methyl-propan-2-olato)octa-copper(I).

Purdy Andrew P AP   Butcher Ray J RJ  

Acta crystallographica. Section E, Crystallographic communications 20210528 Pt 6

The title compound, [Cu<sub>8</sub>(C<sub>4</sub>H<sub>9</sub>O)<sub>4</sub>(C<sub>4</sub>F<sub>9</sub>O)<sub>4</sub>], crystallizes in the monoclinic space group, <i>P</i>2<sub>1</sub>/<i>n</i> and contains a self-assembly of two C<sub>16</sub>H<sub>18</sub>Cu<sub>4</sub>F<sub>18</sub>O<sub>4</sub> units linked by bridging <i>tert</i>-butyl groups [Cu-O bonds of length 2.3779 (15) and 2.4248 (15) Å], generating a centrosymmetric dimer. The asymmetrical unit, C<sub>16</sub>H<sub>18</sub>Cu<sub>4  ...[more]

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