Results 1 to 10 of about 841,438 (283)
Anion⋅⋅⋅Anion Interactions Involving σ‐Holes of Perrhenate, Pertechnetate and Permanganate Anions [PDF]
AbstractIn this communication experimental and theoretical results are reported affording strong evidence that interactions between electron rich atoms and the metal of tetroxide anions of group 7 elements are a new case of attractive and σ‐hole interactions.
Andrea Daolio +4 more
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Dynamics of the Chemical Composition of Precipitation and Input of Elements in an Agricultural Area in Southern Bulgaria [PDF]
The study of the chemical composition of precipitation is an important factor in determining the input of elements and the total anthropogenic load in agroecosystems.
Tsetska Simeonova, Lyuba Nenova
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Anion–anion and anion–neutral triel bonds
TrCl4−(Tr = Al, Ga, In, Tl) anion is able to engage in complexes with two Lewis bases: neutral NH3or the CN−anion through a triel bond. Complexation leads to two types of geometries: axial and equatorial.
Rafał Wysokiński +3 more
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Design and Investigation of Superatoms for Redox Applications: First-Principles Studies
A superatom is a cluster of atoms that acts like a single atom. Two main groups of superatoms are superalkalis and superhalogens, which mimic the chemistry of alkali and halogen atoms, respectively.
Celina Sikorska
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Tetrapodal Anion Transporters [PDF]
Synthetic anion transporters that facilitate chloride transport are promising candidates for channelopathy treatments. However, most anion transporters exhibit an undesired side effect of facilitating proton transport via interacting with fatty acids present in the membrane. To address the limitation, we here report the use of a new tetrapodal scaffold
Alexander M. Gilchrist +6 more
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To be detectable in space via radio astronomy, molecules should have a permanent dipole moment. This is the plausible reason why HCnH chains are underproportionally represented in the interstellar medium in comparison with the isoelectronically ...
Ioan Bâldea
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Anion Colorimetric Chemosensor Based on a Benzimidazole-Functionalized BODIPY Derivative
A BODIPY derivative bearing a benzimidazole unit at position 2 and an electron donor group (anthracene) at the meso position was synthetized and characterized by the usual spectroscopic techniques.
Raquel C. R. Gonçalves +3 more
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Development of ion chromatography methods for the determination of trace anions in ultra pure water from power plants [PDF]
A suppressed ion chromatography (IC) technique, using a carbonate/hydrogen carbonate or a hydroxide eluent, has been evaluated as a monitoring tool for the detection of major anions (F-, Cl-, NO3-, PO43- and SO42-) in ultra pure water and condensed steam
Čičkarić Dragana Z. +3 more
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Using DFT/(B3LYP/wB97XD/B2PLYPD) and OVGF electronic structure methods with flexible atomic orbital basis sets, we examined the series of polynuclear superhalogen anions matching the (BF3(BN)nF4n+1)– formula (for n = 1-10,13,18-20) containing alternately
Adrianna Cyraniak +4 more
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In this report, we introduce artificial enzymes that operate with anion-π interactions, an interaction that is essentially new to nature. The possibility to stabilize anionic intermediates and transition states on an π-acidic surface has been recently demonstrated, using the addition of malonate half thioesters to enolate acceptors as a biologically ...
Cotelle, Yoann +4 more
openaire +6 more sources

