Cubane {CuII4} Cluster as a Precursor for the Preparation of a Mixed-Valent {CuII12CuI 2} Core

Angewandte Chemie - International Edition

Volumn 43, Issue 1, 2004, Pages 87-90

  Mukherjee, Arindam ^a   Nethaji, Munirathinam ^a   Chakravarty, Akhil R ^a  

^a INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

Cluster compounds; Copper; Magnetic properties; Mixed valent compounds; Self assembly

Indexed keywords

COORDINATION SITES;

FERROMAGNETIC MATERIALS; ORGANOMETALLICS; SELF ASSEMBLY;

COPPER COMPOUNDS;

COORDINATION COMPOUND; COPPER; CUBANE DERIVATIVE; FERROMAGNETIC MATERIAL;

ARTICLE; CHEMICAL STRUCTURE; COMPLEX FORMATION; SYNTHESIS;

EID: 4143105509     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200352350     Document Type: Article

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21. V=3077/205. X-ray diffraction data were measured in frames with increasing ω (width of 0.3 deg./frame) and with a scan speed at 6 s/frame for 1 and at 12s/frame for 2 on a Bruker SMART APEX CCD diffractometer, equipped with a fine focus 1.75 kW sealed tube X-ray source. Empirical absorption corrections were carried out using MULTISCAN (for 1) and SADABS (for 2) program: R. Blessing, Acta Crystallogr. Sect. A 1995, 51, 33. The structures were solved by the heavy atom method and refined by full matrix least-squares using SHELX system of programs: G. M. Sheldrick, SHELXS-97, Program for the Solution of Crystal Structures, University of Göttingen, Göttingen (Germany), 1997. All non-hydrogen atoms were refined anisotropically. The hydrogen atoms attached to carbon atoms in the complex were generated and assigned isotropic thermal parameters, riding on their parent carbon atoms, and used for structure factor calculation only. CCDC214522 and 214523 contain the supplementary crystallographic data for 1 and 2, respectively. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB21EZ, UK; fax: (+44)1223-336-033; or deposit@ ccdc.cam.ac.uk). ORTEP and packing diagrams in color for 1 and 2 are given as Supporting Information.
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