AI Article Synopsis

  • The study focuses on the synthesis and characterization of platinum dihalogenide complexes, specifically those formulated as [PtHalL], using various 10-(aryl)phenoxarsine ligands.
  • Structural analysis and isomerism in solutions were examined through techniques like NMR spectroscopy and X-ray analysis.
  • Under UV light, the platinum diiodide trans complexes showed a strong orange-red emission, linked to a metal halide-centered triplet state, with their optical properties further analyzed with computational methods.

Article Abstract

Synthesis and structural and photophysical characterization of platinum dihalogenide complexes formulated as [PtHalL], where Hal = Cl and I, with different 10-(aryl)phenoxarsine ligands such as 10-(-chlorophenyl)phenoxarsine, 10-(-tolyl)phenoxarsine, and 10-(phenyl)phenoxarsine are reported. The structures of complexes were determined by NMR spectroscopy, mass spectrometry, and X-ray analysis. Cis/trans isomerism of the complexes in solution was studied by NMR spectroscopy. In the solid state, under UV irradiation, platinum diiodide trans complexes exhibit an intense orange-red emission, which was attributed to a metal halide-centered triplet state. The UV/vis absorption and emission properties were studied and rationalized by density functional theory (DFT) and time-dependent DFT calculations.

Download full-text PDF

Source
http://dx.doi.org/10.1021/acs.inorgchem.1c00672DOI Listing

Publication Analysis

Top Keywords

nmr spectroscopy
8
platinumii complexes
4
complexes 10-arylphenoxarsines
4
10-arylphenoxarsines synthesis
4
synthesis cis/trans
4
cis/trans isomerization
4
isomerization luminescence
4
luminescence synthesis
4
synthesis structural
4
structural photophysical
4

Similar Publications

Where Does the Proton Go? Structure and Dynamics of Hydrogen-Bond Switching in Aminophosphine Chalcogenides.

Angew Chem Int Ed Engl

January 2025

University of Regensburg, Faculty of Chemistry and Pharmacy, Institute of Inorganic Chemistry, Universitätsstraße 31, D-93053, Regensburg, GERMANY.

Aminophosphates are the focus of research on prebiotic phosphorylation chemistry. Their bifunctional nature also makes them a powerful class of organocatalysts. However, the structural chemistry and dynamics of proton-binding in phosphorylation and organocatalytic mechanisms are still not fully understood.

View Article and Find Full Text PDF

Background And Hypothesis: Convergent evidence shows the presence of brain metabolic abnormalities in psychotic disorders. This study examined brain reductive stress and energy metabolism in people with psychotic disorders with impaired or average range cognition. We hypothesized that global cognitive impairment would be associated with greater brain metabolic dysregulation.

View Article and Find Full Text PDF

A novel pH-responsive full-bio-based surfactant (Ca-S) containing a dynamic covalent bond is synthesized using renewable cashew phenol, 5-chloro-2-furanaldehyde, and taurine. The structure of Ca-S is characterized by Fourier transform infrared spectroscopy (FTIR) and H nuclear magnetic resonance (NMR) analysis. Limonene containing oil-in-water (O/W) microemulsions are prepared on the basis of the Ca-S surfactant and are applied to the remediation of oil-contaminated soil under low-energy conditions at ambient temperature.

View Article and Find Full Text PDF

Objective: Disorders of arousal (DoA) are characterized by an intermediate state between wakefulness and deep sleep, leading to incomplete awakenings from NREM sleep. Multimodal studies have shown subtle neurophysiologic alterations even during wakefulness in DoA. The aim of this study was to explore the brain functional connectivity in DoA and the metabolic profile of the anterior and posterior cingulate cortex, given its pivotal role in cognitive and emotional processing.

View Article and Find Full Text PDF

A novel synthesis of a nanometric MCM-41 from biogenic silica obtained from rice husk is here presented. CTABr and Pluronic F127 surfactants were employed as templating agents to promote the formation of a long-range ordered 2D-hexagonal structure with cylindrical pores and to limit the particle growth at the nanoscale level thus resulting in a material with uniform particle size of 20-30 nm. The physico-chemical properties of this sample (RH-nanoMCM) were investigated through a multi-technique approach, including PXRD, Si MAS NMR, TEM, -potential and N physisorption analysis at 77 K.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!