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Copper(I) Acetylenide π-Complexes. Synthesis and Structure of Cluster Compound HAmp[Cu9Cl8(C≡CCH2OH)2] (HAmp is 4-Aminopyridinium Cation)

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Abstract

Crystals of the HAmp[Cu9Cl8(C≡CCH2OH)2] cluster compound (HAmp is the 4-aminopyridinium cation (NH2–C5H4NH)+) were obtained through ac electrochemical synthesis and their structure was determined using X-ray diffraction analysis (DARCh autodiffractometer, θ/2θ scan mode, 3435 independent reflections with F ≥ 4σ(F), R = 0.047). The crystals are triclinic: space group P \(\bar 1\), a = 12.547(5) Å, b = 12.502(4) Å, c = 8.201(2) Å, α = 75.93(2)°, β = 82.21(3)°, γ = 76.05(3)°, V = 1207(2) Å3, Z = 2. Two crystallographically independent moieties –(C≡CCH2OH) were detected in the complex structure. Each moiety acts as a double bridging π,σ-ligand and binds four or five Cu(I) atoms, thus forming the [Cu4(C≡CCH2OH)] and [Cu8(C≡CCH2OH)2] clusters. The shortest Cu···Cu distance is equal to 2.337(4) Å.

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Authors
  1. G. V. Noshchenko
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  2. B. M. Mykhalichko
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  3. V. N. Davydov
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Noshchenko, G.V., Mykhalichko, B.M. & Davydov, V.N. Copper(I) Acetylenide π-Complexes. Synthesis and Structure of Cluster Compound HAmp[Cu9Cl8(C≡CCH2OH)2] (HAmp is 4-Aminopyridinium Cation). Russian Journal of Coordination Chemistry 30, 326–331 (2004). https://doi.org/10.1023/B:RUCO.0000026001.01242.c8

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  • DOI: https://doi.org/10.1023/B:RUCO.0000026001.01242.c8

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