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Activation of water on the TiO2 (110) surface: The case of Ti adatoms
Article on the activation of water on the TiO2 (110) surface.
Activity Coefficients at Infinite Dilution for Organic Compounds Dissolved in 1-Alkyl-1-methylpyrrolidinium Bis(trifluoromethylsulfonyl)imide Ionic Liquids Having Six-, Eight-, and Ten-Carbon Alkyl Chains
Article on activity coefficients at infinite dilution for organic compounds dissolved in 1-alkyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ionic liquids having six-, eight-, and ten-carbon alkyl chains.
C-H Functionalization Reactivity of a Nickel-Imide
This article discusses C-H functionalization reactivity of a Nickel-Imide.
Carbon Dioxide Migration Pathways in Proteins
Article discussing research on carbon dioxide migration pathways in proteins.
Charge transfer equilibria in ambient-exposed epitaxial graphene on (0001) 6 H-SiC
Article discussing research on charge transfer equilibria in ambient-exposed epitaxial graphene on (0001) 6 H-SiC.
CO₂ Reduction on Transition Metal (Fe, Co, Ni, and Cu) Surfaces: In Comparison with Homogeneous Catalysis
Article discussing research on CO₂ reduction on transition metal (Fe, Co, Ni, and Cu) surfaces and a comparison with homogeneous catalysis.
Comment on "Measurement and Correlation of Solubilities of (Z)-2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetic Acid in Different Pure Solvents and Binary Mixtures of Water + (Ethanol, Methanol, or Glycol)"
Article commenting on an article titled, "Measurement and correlation of solubilities of (Z)-2-(2-aminothiazol-4-yl)-2-methoxyiminoacetic acid in different pure solvents and binary mixtures of water + (ethanol, methanol, or glycol)," published in March 2011.
Complex Materials for Molecular Spintronics Applications: Cobalt Bis(dioxolene) Valence Tautomers, from Molecules to Polymers
This article discusses complex materials for molecular spintronics applications.
Cooperativity Between Low-Valent Iron and Potassium Promoters in Dinitrogen Fixation
Article discussing the cooperativity between low-valent iron and potassium promoters in dinitrogen fixation.
Coordination Chemistry of 4-Methyl-2,6,7-trioxa-1-phosphabicyclo[2,2,1]heptane: Preparation and Characterization of Ru(II) Complexes
Article discussing preparation and characterization of Ru(II) complexes.
Descriptors for the Prediction of Partition Coefficients and Solubilities of Organophosphorus Compounds
This article discusses the determination of Abraham descriptors for several series of organophosphorus compounds.
Determination of the Solubilizing Character of 1-Methoxyethyl-1-Methylpiperidinium Tris(Pentafluoroethyl)Trifluorophosphate Based on the Abraham Solvation Parameter Model
Article on determination of solubilizing character of 1-methoxyethyl-1-methylpiperidinium tris(pentafluoroethyl) trifluorophosphate based on the Abraham solvation parameter model.
Development of Surface-SFED Models for Polar Solvents
This article discusses the development of surface-SFED models for polar solvents.
Electric Field Induced Phase Transitions in Polymers: A Novel Mechanism for High Speed Energy Storage
This article discusses electric field induced phase transitions in polymers.
Electrochemically synthesized polymers in molecular imprinting for chemical sensing
This critical review describes a class of polymers prepared by electrochemical polymerization that employs the concept of molecular imprinting for chemical sensing.
Fuel-nitrogen conversion in the combustion of small amines using dimethylamine and ethylamine as biomass-related model fuels
Article on fuel-nitrogen conversion in the combustion of small amines using dimethylamine and ethylamine as biomass-related model fuels.
The Gas That Wouldn't Burn
Article describing how Alpha Chi Sigma members were involved with the events described on a pictured Kansas historical marker relating to the discovery of helium in a deposit of natural gas.
Graphene/(Multilayer) Boron Nitride Heteroepitaxy for Electronic Device Applications
Patent relating to graphene/(multilayer) boron nitride heteroepitaxy for electronic device applications.
Helium Monument
Front cover of the summer 2012 issue of The Hexagon, which features the Helium Monument in Amarillo, Texas. The visible portion of this monument is a metal sculpture of a helium molecule hanging from the center of a structure of metal bars. The inside cover contains a table of contents, a staff list, an editorial, and a description of the Helium Monument.
The hydrogen bond properties of water from 273 K to 573 K; equations for the prediction of gas-water partition coefficients
Article on the hydrogen bond properties of water from 273 K to 573 K and equations for the prediction of gas-water partition coefficients.
Metal Ablation in Supersonic Expansion Gas Coupled to an Ion Mass Filter
Patent relating to metal ablation in supersonic expansion gas coupled to an ion mass filter.
Methods of Forming Graphene/(Multilayer) Boron Nitride for Electronic Device Applications
Patent relating to methods of forming graphene/(multilayer) boron nitride for electronic device applications.
Multiple coexisting intercalation structures of sodium in epitaxial graphene-SiC interfaces
This article discusses multiple coexisting intercalation structures of sodium in peitaxial graphene-SiC interfaces.
Pharmacy at Quedlinburg
Front cover of the spring 2012 issue of The Hexagon, featuring the pharmacy at Quedlinburg, Germany, where Martin Heinrich Klaproth was trained. The three story building is pinkish with white trim around its windows. A triangular stone piece with the image of a flying bird sits on the third floor over the entrance. The inside cover of the magazine contains a table of contents, staff listings, an editorial, and a description of the building.
Phonon engineering in nanostructures: Controlling interfacial thermal resistance in multilayer-graphene/dielectric heterojunctions
Article discussing phonon engineering in nanostructures and controlling interfacial thermal resistance in multilayer-graphene/dielectric heterojunctions.
Prediction of Partition Coeffecients and Permeability of Drug Molecules in Biological Systems with Abraham Model Solute Descriptors Derived from Measured Solubilities and Water-to-Organic Solvent Partition Coefficients
Book chapter on the prediction of partition coefficients and permeability of drug molecules in biological systems with Abraham model solute descriptors derived from measured solubilities and water-to-organic solvent partition coefficients.
Prediction of Toxicity, Sensory Responses and Biological Responses with the Abraham Model
This book chapter discusses the prediction of toxicity, sensory responses and biological responses with the Abraham model.
Quantitative structure-property relationship studies for predicting gas to carbon tetrachloride solvation enthalpy based on partial least squares, artificial neural network and support vector machine
Article on quantitative structure-property relationship studies for predicting gas to carbon tetrachloride solvation enthalpy based on partial least squares, artificial neural network and support vector machine.
Rate constant for the reaction C₂H₅ + HBr → C₂H₆ + Br
Article on the rate constant for the reaction C2H5 + HBr → C2H6 + Br.
Rediscovery of the Elements: Helium
Article describing the discovery of helium in the sun and on Earth via spectroscopy. Tourist information is included for areas significant to those involved.
Rediscovery of the Elements: The Harz Mountains and Göttingen
Article describing the importance of the Harz Mountains and the University of Göttingen in the discovery of cadmium and thallium. Tourist information regarding the area is included.
Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay
Article describing the discovery of argon, helium, and other inert gases by Lord Rayleigh, Sir William Ramsay, and other collaborators. Ramsay also characterized the noble gases and classified them within the structure of the Periodic Table of Elements.
Reductive Elimination of Alkylamines from Low-Valent, Alkylpalladium(II) Amido Complexes
This article discusses reductive elimination of alkylamines from low-valent, alkylpalladium(II) amido complexes.
Ring of Fire
Front cover of the fall 2012 issue of The Hexagon, which features an image of the "ring of fire" that occurred during the annular eclipse on May 20, 2012. The photograph was taken in Brownfield, Texas a few minutes before sunset. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.
Solubility of 2-Hydroxybenzoic Acid in Water, 1-Propanol, 2-Propanol, and 2-Propanone at (298.2 to 338.2) K and Their Aqueous Binary Mixtures at 298.2 K
Article discussing the solubility of 2-hydroxybenzoic acid in water, 1-propanol, 2-propanol, and 2-propanone at (298.2 to 338.2) K and their aqueous binary mixtures at 298.2 K.
Synthetic Approaches to (smif)₂Ti (smif=1,3-di-(2-pyridyl)-2-azaallyl) Reveal Redox Non-Innocence and C-C Bond-Formation
Article discussing synthetic approaches to (smif)₂Ti(smif=1,3-di-(2-pyridyl)-2-azallyl) revealing redox non-innocence and C-C bond-formation.
trans-Dichloridotetrapyrazine-ruthenium(II) dichloromethane disolvate
In the title compound, [RuCl₂(C₄H₄N₂)₄]·2CH₂Cl₂, the Ruᴵᴵ atom occupies a position of 222 symmetry and the C atom of the solvent molecule occupies a site with twofold symmetry.
Unexpected Structures for Intercalation of Sodium in Epitaxial Graphene-SiC Interfaces
In this paper, the authors show using scanning tunneling microscopy, spectroscopy, and ab initio calculations that several intercalation structures exist for Na in epitaxial graphene on SiC(0001). Intercalation takes place at room temperature and Na electron-dopes the graphene. It intercalates in-between single-layer graphene and the carbon-rich interfacial layer. It also penetrates beneath the interfacial layer and decouples it to form a second graphene layer. This decoupling is accelerated by annealing and is verified by direct Na deposition onto the interface layer. The authors' observations show that intercalation in graphene is fundamentally different than in graphite and is a versatile means of electronic control.
Variable Pathways for Oxygen Atom Insertion into Metal-Carbon Bonds: The Case of Cp*W(O)₂(CH₂SiMe₃)
Article discussing variable pathways for oxygen atom insertion into metal-carbon bonds and the case of Cp*W(O)2(CH2SiMe3).
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