Journal ArticleDOI
Fluorine-free organoxenon chemistry: HXeCCH, HXeCC, and HXeCCXeH.
Leonid Khriachtchev,Hanna Tanskanen,Jan Lundell,Mika Pettersson,Harri Kiljunen,Markku Räsänen +5 more
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TLDR
This work demonstrates a new way to activate the H-Ctbd1;C- group without use of XeF(2), which can extend the range of organoxenon compounds.Abstract:
Three novel Xe-containing organic compounds, HXeCCH, HXeCC (open-shell species), and HXeCCXeH, are identified using infrared absorption spectroscopy. They are prepared in a low-temperature Xe matrix using UV photolysis of acetylene and subsequent annealing at 40−45 K. The experimental observations are supported by extensive ab initio calculations. This work demonstrates a new way to activate the H−C⋮C− group without use of XeF2, which can extend the range of organoxenon compounds.read more
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Atypical compounds of gases, which have been called ‘noble’
TL;DR: This critical review describes fascinating experimental and theoretical advances in 'noble gas' chemistry during the last twenty years, and has taken a somewhat unexpected course since 2000.
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Noble-gas hydrides: new chemistry at low temperatures.
TL;DR: The matrix-isolation synthesis of noble-gas hydrides, their spectroscopic and structural properties, and their stabilities are discussed, including the existence of related polymers, aggregates, and even HNgY crystals, and areas that appear promising for further study include the extension of argon chemistry, preparation of new bonds with noble- gas atoms, and studies of radon compounds.
Journal ArticleDOI
Theory and computation of nuclear magnetic resonance parameters.
TL;DR: This article attempts to give an overview on the theory and state-of-the-art of the practical computations in the field, in terms of the size of systems that can be treated, the accuracy that could be expected, and the various factors that would influence the agreement of even the most accurate imaginable electronic structure calculation with experiment.
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Formation of novel rare-gas molecules in low-temperature matrices
TL;DR: The reviewed state-of-the-art suggests this field is at an early stage of development with major open questions bearing on the surprising properties of the molecules and on the formation mechanisms, which are part of the challenge for the future.
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Chemical compounds formed from diacetylene and rare-gas atoms: HKrC4H and HXeC4H
TL;DR: New organic rare-gas compounds, HRgC4H (Rg = Kr or Xe), are identified in matrix-isolation experiments supported by ab initio calculations and the IR absorption spectra indicate some further stabilization of the HRg C4H molecules as compared with the correspondingHRgC2H species.
References
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A stable argon compound
TL;DR: It is reported that the photolysis of hydrogen fluoride in a solid argon matrix leads to the formation of argon fluorohydride (HArF), which is identified by probing the shift in the position of vibrational bands on isotopic substitution using infrared spectroscopy and indicates that HArF is intrinsically stable, owing to significant ionic and covalent contributions to its bonding.
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A More Stable Configuration of HArF in Solid Argon
TL;DR: An additional solid-state configuration of HArF with higher thermal stability is reported, which proves that the doublet at ∼2020 cm-1 originates from the * Address correspondence to this author: (e-mail) Leonid.Fi
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Photogeneration of ions via delocalized charge transfer states. I. Xe2H+ and Xe2D+ in solid Xe
TL;DR: In this article, the first vibrational spectra of Xe2H+ and Xe 2D+ have been presented, which are believed to be vibrationally bound ions.
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Formation and characterization of neutral krypton and xenon hydrides in low-temperature matrices
TL;DR: A family of rare gas-containing hydrides HXY (where X=Kr or Xe, and Y is an electronegative fragment) is described in this article.
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Quantum Chemical Calculations on Novel Molecules from Xenon Insertion into Hydrocarbons
TL;DR: In this paper, the insertion compounds of xenon into unsaturated hydrocarbons have been investigated and ab initio calculations have been performed on novel compounds that may greatly expand the scope of rare gas chemistry.