A Novel Gold (I) Complex of 1,3-Bis(diphenylphosphino)propane: Synthesis, Crystal Structure and C-H...Au Interaction

YANG Xian; HU Kai; WANG Hao; YUAN Haokun; FANG Ruiqin

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A Novel Gold (I) Complex of 1,3-Bis(diphenylphosphino)propane: Synthesis, Crystal Structure and C-H...Au Interaction

YANG Xian,HU Kai,WANG Hao,YUAN Haokun,FANG Ruiqin * #

School of Life Science and Technology, Center for Information Biology, University of Electronic

*Correspondence author

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Funding: National Natural Science Foundation of China （No.1201029）, Fundamental Research Funds for the Central Universities（No.ZYGX2014J079）

Opened online: 8 October 2019

Accepted by: none

Citation: YANG Xian,HU Kai,WANG Hao.A Novel Gold (I) Complex of 1,3-Bis(diphenylphosphino)propane: Synthesis, Crystal Structure and C-H...Au Interaction[OL]. [ 8 October 2019] http://en.paper.edu.cn/en_releasepaper/content/4749721

A new diphosphine gold (I) complex [Au2(Ph2PCH2CH2CH2PPh2)(CHCPhOMe)2] (compound 1) containing organophosphine and alkyne ligands has been designed and synthesized. The Au(I) ion is coordinated by P atom from 1,3-bis(diphenylphosphanyl)propane and alkynyl from 1-ethynyl-4-methoxybenzene. The molecular structure of compound 1 has been determined by single crystal X-ray diffraction. Compound 1 crystallizes in the monoclinic space group C2/c with lattice contents a=26.5021(5), b=6.83920(10), c=22.6226(5) Å, α=90.00°, β=98.026(2)°, γ=90.00°, V=4060.25(13) Å3, and Z=4. The final R=0.0282 and wR=0.0568 for 3059 observed reflections with I>2σ(I). The most interesting structural feature of compound 1 is the presence of C-H⋅⋅⋅Au interactions involving Au ions in chain motifs, with H⋅⋅⋅Au distance of 3.233 Ǻ, and C-H⋅⋅⋅Au bond angle of 168.2°.

Keywords:Inorganic Chemistry; Gold(I) Complex; Organophosphine; Alkyne; Crystal structure; C-H…Au interaction

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