Introduction and Fundamentals of Mixed‐Valence Chemistry

Liu, Chun Y.; Meng, Miao

doi:10.1002/9783527835287.ch1

Cited by 3 publications

(1 citation statement)

References 116 publications

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“…61 ■ REDOX AND PHOTOPHYSICAL PROPERTIES For multiferrocenyl cyclic systems, electrochemistry serves as a conventional tool for assessing the electronic communication between redox sites. 62,63 In this regard, the redox properties of A 2 B and A 3 were investigated by using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). Initially, the CV of A 2 B and A 3 in 0.1 M [n-Bu 4 N][PF 6 ]/CH 2 Cl 2 were examined, revealing a single reversible redox wave for both compounds (Figure S13).…”

Section: Synthesismentioning

confidence: 99%

Side-Chain Type Ferrocene Macrocycles

Lan,

Xu,

Zhu

et al. 2024

Precision Chemistry

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A class of side-chain type ferrocene macrocycles with a radially conjugated system is introduced in this study. The stereo configurations of these ferrocene rings were determined through single-crystal X-ray diffraction analysis. Notably, in the solid state, the ferrocene rings exhibit a distinctive herringbone stacking pattern imposed by a ferrocene-to-ring host−guest interaction. Through UV−vis absorption spectroscopy, electrochemical measurements, and theoretical calculations, valuable insights into the electronic properties of these rings were obtained. In addition, the single crystal of macrocycle A 2 B demonstrates a second-order nonlinear optical response. As a class of organometallic nanorings, this work holds great potential for further exploration in the fields of organometallic chemistry, molecular electronics, and host−guest chemistry.

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Section: Synthesismentioning

confidence: 99%

Side-Chain Type Ferrocene Macrocycles

Lan,

Xu,

Zhu

et al. 2024

Precision Chemistry

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Synthesis, structures and bonding of group 6 thio-complexes

Mohapatra,

Haridas,

Kumar

et al. 2024

Inorganica Chimica Acta

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Octahedral Hexanuclear Rhenium Cluster Dimers Bridged by Pyrazine or 4,4′-Bipyridine with 23- and 24-Electron Configurations

Yoshimura,

Nagata,

Nakano

2024

Inorg. Chem.

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New pyrazine (pz)-and 4,4′-bipyridine (4,4′-bpy)bridged octahedral hexanuclear rhenium(III) cluster dimers, [{Re 6 (μ 3 -S) 8 Cl 5 } 2 (μ-L)] 6− (L = pz, [1] 6− ; L = 4,4′-bpy, [2] 6− ), with 2 × 24 d-electrons {Re 6 (24e)} 2 were obtained in a single-step reaction via photoirradiation of [Re 6 (μ 3 -S) 8 Cl 6 ] 4− with L in a 2:1 ratio at room temperature. The {Re 6 (23e)} 2 dimers, [{Re 6 (μ 3 -S) 8 Cl 5 } 2 (μ-L)] 4− (L = pz, [1′] 4− ; L = 4,4′-bpy, [2′] 4− ), were synthesized through two-electron oxidation of [1] 6− and [2] 6− , respectively. The single-crystal X-ray structures of [1] 6− and [1′] 4− were determined, revealing structural distortion of the Re 6 core of [1′] 4− due to the Jahn−Teller effect. The cyclic voltammograms of [1] 6− and [2] 6− showed two steps of one-electron redox processes attributable to Re 6 (23e)Re 6 (24e)/{Re 6 (24e)} 2 and {Re 6 (23e)} 2 / Re 6 (23e)Re 6 (24e), respectively. The separation between the two redox potentials is small (0.056 V for [1] 6− and 0.039 V for [2] 6− ). The magnetic susceptibilities of [1′] 4− and [2′] 4− were almost temperature-independent, with values of 2.98 and 2.85 μ B , respectively, indicating paramagnetism. These results suggest weak electronic interaction between two cluster units bridged by pz or 4,4′-bpy in the intercluster mixed valence state. The compounds [1] 6− and [2] 6− show photoluminescence in the near-infrared region at 296 K in the solid state.

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Introduction and Fundamentals of Mixed‐Valence Chemistry

Cited by 3 publications

References 116 publications

Side-Chain Type Ferrocene Macrocycles

Side-Chain Type Ferrocene Macrocycles

Synthesis, structures and bonding of group 6 thio-complexes

Octahedral Hexanuclear Rhenium Cluster Dimers Bridged by Pyrazine or 4,4′-Bipyridine with 23- and 24-Electron Configurations

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