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Journal ArticleDOI

ORTEP-3 for Windows - a version of ORTEP-III with a Graphical User Interface (GUI)

01 Oct 1997-Journal of Applied Crystallography (International Union of Crystallography)-Vol. 30, Iss: 5, pp 565-565
TL;DR: L Lists of software presented and~or reviewed in the Journal of Applied Crystallography are available on the World Wide Web at the above address, together with information about the availability of the software where this is known.
Abstract: Computer Program Abstracts The category Computer Program Abstracts provides a rapid means of communicating up-to-date information concerning both new programs or systems and significant updates to existing ones. Following normal submission, a Computer Program Abstract will be reviewed by one or two members of the IUCr Commission on Crystallographic Computing. It should not exceed 500 words in length and should follow the standard format given on page 189 of the June 1985 issue of the Journal [J. Appl. CrysL (1985). 18, 189190] and on the World Wide Web at http://www.iucr. ac. uk/journals/jac/software/. Lists of software presented and~or reviewed in the Journal of Applied Crystallography are available on the World Wide Web at the above address, together with information about the availability of the software where this is known. J. App/. CrysL (1997). 30, 565 ORTEP-3 for Windows a version of ORTEP-III with a Graphical User Interface (GUI)
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Journal ArticleDOI
TL;DR: In this paper, an in situ cryo-crystallization using a zone-melting technique was used to pack interionic C-H⋯O and F-F interactions.
Abstract: 1-Ethyl-3-methylimidazolium-based ionic liquids, [emim]OTf, OTf = trifluoromethanesulfonate (mp = −25.7 °C), and [emim]NTf2, NTf2 = bis(trifluoromethanesulfonyl)amide (mp = −25.7 °C), have been crystallized by in situ cryo-crystallization using a zone-melting technique and found to pack via interionic C–H⋯O and F⋯F interactions.

110 citations

Journal ArticleDOI
TL;DR: It is shown that mild one-pot "click" methods can be used to readily and rapidly synthesize a family of functionalized bidentate 2-pyridyl-1,2,3-triazole ligands, containing electrochemically, photochemically, and biologically active functional groups in good to excellent yields.
Abstract: The Cu(I)-catalyzed 1,3-cycloaddition of organic azides with terminal alkynes, the CuAAC “click” reaction is currently receiving considerable attention as a mild, modular method for the generation of functionalized ligand scaffolds. Herein we show that mild one-pot “click” methods can be used to readily and rapidly synthesize a family of functionalized bidentate 2-pyridyl-1,2,3-triazole ligands, containing electrochemically, photochemically, and biologically active functional groups in good to excellent yields (47–94%). The new ligands have been fully characterized by elemental analysis, HR-ESI-MS, IR, 1H and 13C NMR and in three cases by X-ray crystallography. Furthermore we have demonstrated that this family of functionalized “click” ligands readily form bis-bidentate Pd(II) complexes. Solution studies, X-ray crystallography, and density functional theory (DFT) calculations indicate that the Pd(II) complexes formed with the 2-(1-R-1H-1,2,3-triazol-4-yl)pyridine series of ligands are more stable than tho...

110 citations

Journal ArticleDOI
TL;DR: Photoluminescence measurements show that platinum(II) tetracarbene complexes, which could be obtained via different synthetic routes, are interesting lead structures for the development of blue emitters for PhOLEDs with good quantum yields and high photostability.

109 citations

Journal ArticleDOI
TL;DR: The monocationic chloro complexes containing chelating 1,10-phenanthroline (phen) ligands have been prepared and characterised as the chloride salts in this paper.

109 citations

Journal ArticleDOI
TL;DR: The reaction of half-sandwich complexes of ruthenium, rhodium, and iridium with amino-substituted 3-hydroxy-2-pyridone ligands in aqueous solution gives monomeric O,O'-chelate complexes, which are able to act as highly selective receptors for lithium ions.
Abstract: The reaction of half-sandwich complexes of ruthenium, rhodium, and iridium with amino-substituted 3-hydroxy-2-pyridone ligands in aqueous solution gives monomeric O,O‘-chelate complexes. Upon addition of base, the complexes assemble to form trimeric metallamacrocycles, as evidenced by NMR spectroscopy and single-crystal X-ray analyses. The macrocycles are able to act as highly selective receptors for lithium ions. The binding constants depend on the nature of the half-sandwich complex, the ligand, and the pH. With a commercially available (cymene)Ru complex, a receptor with a Li+ binding constant of Ka = 5.8 (±1.0) × 104 M-1 and a Li+−Na+ selectivity of 10 000:1 can be obtained. The fact that the assembly process of the receptor is pH-dependent can be used to detect the presence of lithium ions by a pH measurement. Furthermore, it is possible to transduce the binding of Li+ into a change of color by means of a chemical reaction with FeCl3. This allows the detection of Li+ in the pharmacologically relevant...

109 citations