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Synthesis and Single Crystal Structure of a New Dinuclear Copper(II) Complex of 1,5-Bis(8-oxaquinoline)-3-methylpentane

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Abstract

A new flexible ligand, 1,5-bis(8-oxaquinoline)-3-methylpentane (C5MeOQ), was synthesized and used in the preparation of the new dinuclear copper(II) complex 1: [Cu2(μ-OMe)2(μ-C5MeOQ)(NO3)2]. Single crystal X-ray analysis revealed that complex 1 contains dinuclear Cu(II) units with bridging methoxo groups. The ligand, C5MeOQ, takes on a bent conformation in order to connect to and complete the square planar coordination environment of both copper centers; and one of the two Cu(II) centers adopts a distorted square planar configuration as a result of the ligand conformation. The magnetic properties of complex 1 were investigated by variable-temperature magnetic susceptibility measurements in the 100–300 K range. Interestingly, the susceptibility data for complex 1 reveals that the compound is diamagnetic, suggesting the presence of very strong antiferromagnetic coupling interactions between the adjacent Cu(II) centers.

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Acknowledgments

This research was supported by the National Science Foundation through Grant CHE:0314164 and the NNSF of China (No. 20303027).

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, The University of South Carolina, Columbia, South Carolina, 29208, USA

    Chun-Long Chen, Andrea M. Goforth, Mark D. Smith, William R. Gemmill & Hans-Conrad zur Loye

  2. School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, 510275, China

    Chun-Long Chen & Cheng-Yong Su

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  1. Chun-Long Chen
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  2. Andrea M. Goforth
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Correspondence to Hans-Conrad zur Loye.

Supplementary materials

Supplementary materials

X-ray crystallographic data in CIF format for complex 1 has been deposited with the Cambridge Crystallographic Data Centre. The deposit number is CCDC-261506.

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Chen, CL., Goforth, A.M., Smith, M.D. et al. Synthesis and Single Crystal Structure of a New Dinuclear Copper(II) Complex of 1,5-Bis(8-oxaquinoline)-3-methylpentane. J Clust Sci 16, 477–487 (2005). https://doi.org/10.1007/s10876-005-0004-2

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