The combination of two different Fe salts in a solvothermal reaction with triethanolamine results in the formation of a high symmetry [FeIII15] cluster whose structure conforms to a centred, tetrakis hexahedron.
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http://dx.doi.org/10.1039/d1cc03919a | DOI Listing |
Phys Chem Chem Phys
November 2022
School of Chemistry, University College Dublin, Dublin 4, Ireland.
Cationic porphyrins based on the 5,10,15,20--(tetrakis-4--methylpyridyl) core (TMPyP4) have been studied extensively over many years due to their strong interactions with a variety of nucleic acid structures, and their potential use as photodynamic therapeutic agents and telomerase inhibitors. In this paper, the interactions of metal-free TMPyP4 and Pt(II)TMPyP4 with guanine-containing nucleic acids are studied for the first time using time-resolved infrared spectroscopy (TRIR). In DO solution (where the metal-free form exists as DTMPyP4) both compounds yielded similar TRIR spectra (between 1450-1750 cm) following pulsed laser excitation in their Soret B-absorption bands.
View Article and Find Full Text PDFMolecules
March 2022
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Institute for Inorganic Chemistry, University of Cologne, 50939 Cologne, Germany.
The -tetrakis(4-(trifluoromethyl)phenyl)porphyrinato cobalt(II) complex [Co(TMFPP)] was synthesised in 93% yield. The compound was studied by H NMR, UV-visible absorption, and photoluminescence spectroscopy. The optical band gap g was calculated to 2.
View Article and Find Full Text PDFChem Commun (Camb)
September 2021
EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ, Scotland, UK.
The combination of two different Fe salts in a solvothermal reaction with triethanolamine results in the formation of a high symmetry [FeIII15] cluster whose structure conforms to a centred, tetrakis hexahedron.
View Article and Find Full Text PDFChemistry
January 2021
Research School of Chemistry, Australian National University, Canberra, ACT, Australia.
Dalton Trans
September 2019
Department of Chemistry, Interdisciplinary Graduate School of Science and Engineering, Shimane University, 1060, Nishikawatsu, Matsue, 690-8504, Japan.
The reactions of [Ru(OCCH)Cl] with 2-aminopyridine (Hamp) and 2-amino-4-methylpyridine (Hammp) afforded two novel Ru complexes, [Ru(amp)Cl] (1) and [Ru(ammp)Cl] (2), respectively. Single crystal X-ray diffraction analyses revealed that 1 and 2 adopted typical paddlewheel-type structures, where the Ru units are coordinated with four aminopyridinate ligands with a cis-2:2 arrangement at the equatorial positions and two chloride ligands at the axial positions. The stabilities of 1 and 2 were supported by unrestricted density functional theory (uDFT) calculations.
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