Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights

Idris Juma Al-Busaidi, Ashanul Haque, John Husband, Nawal K. Al Rasbi, Osama K. Abou-Zied, Rayya Al Balushi, Muhammad S. Khan, Paul R. Raithby

Research output: Contribution to journalArticlepeer-review


A series of mono-, di-, and poly(platina-ynes) incorporating stilbene spacer units with the formulae trans-[R-CC-Pt(PBu3)2-CC-R] (R = (E)-1,2-diphenylethene), trans-[(Ph)-(Et3P)2PtCC-R-CCPt(PEt3)2(Ph)] (R = (E)-1,2-diphenylethene), and trans-[-(PnBu3)2PtCC-R-CC-]n (R = (E)-1,2-diphenylethene), respectively, have been synthesized and characterized to explore the effects of ligand topology on the photoisomerization and photophysical properties of these materials. The structural and photophysical properties of the complexes have been investigated and compared with those of the previously reported mono-, di- and poly(platina-ynes) incorporating azobenzene spacers. We found that the organometallic species 1M, 2M and 1P undergo topology-dependent reversible trans-to-cis photoisomerization in CH2Cl2 solution. Computational modelling supported the experimental findings. This journal is

Original languageEnglish
Pages (from-to)2555-2569
Number of pages15
JournalDalton Transactions
Issue number7
Early online date25 Jan 2021
Publication statusPublished - 21 Feb 2021

ASJC Scopus subject areas

  • Inorganic Chemistry

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