By encapsulating actinium atoms within a macromolecular complex for analysis using protein crystallography, researchers discovered that actinium has a unique solid-state bonding configuration. A better understanding of actinium behavior could help improve a promising cancer treatment known as targeted alpha therapy. Read more »
Excited States in CO2 Clusters Shed Light on Astrochemical Formation Mechanisms
A vacuum ultraviolet photoionization study conducted at the ALS revealed a new mechanism between molecules that converts high-energy ultraviolet light into free electrons. The results provide insights into interactions between CO2 and organic molecules, which are crucial for understanding astrochemical interactions as well as green chemistry and renewable energy development. Read more »
Studying Interfacial Effects in Solid-Electrolyte Batteries
An ambient-pressure probe of a solid electrolyte revealed how surface electrochemical mechanisms lead to poor electrolyte performance and battery failure. The results can help scientists engineer better coatings and interfaces, which are essential for building safer and better-performing batteries, particularly for use in vehicles. Read more »
Electronic energy transfer ionization in naphthalene–CO2 clusters reveals excited states of dry ice
The interaction between CO2 and polycyclic aromatic hydrocarbons is of interest in astrochemically relevant ices, the transition to renewable energy, and the development of green chemistry. We investigate the VUV excitation of the naphthalene–CO2 complex and observe excited states of CO2 through a newly identified electronic energy transfer ionization mechanism. Read more »
4f-Orbital Mixing Increases the Magnetic Susceptibility of Cp’3Eu
The ability to harness the 4f-orbital anisotropies and magnetic susceptibilities of lanthanide elements is key to their application in molecular magnetism, including as molecular qubits and single-molecule magnets. Here, 4f orbital mixing and its impact on the magnetic susceptibility of a trivalent Eu organometallic complex was analyzed experimentally. Read more »
Converting N2 into Usable Form under Ambient Conditions
Researchers learned how molecular structure relates to function in catalysts that convert atmospheric nitrogen into more usable forms at room temperature and pressure. The work could lead to greater energy efficiency in producing nitrogen-based products such as fertilizer where large-scale industrial processes are unfeasible. Read more »
Caught in the Actinium
In this work, researchers demonstrated a macromolecular scaffold that combines an 8-coordinate synthetic ligand and a mammalian protein to characterize the solution and solid-state behavior of the longest-lived actinium isotope. The information could help design better cancer treatments. Read more »
Engineered π⋯π interactions favour supramolecular dimers X@[FeL3]2(X = Cl, Br, I): solid state and solution structure
Intermolecular interactions drive the formation of biological supramolecular architectures, inspiring the design of artificial supramolecular assemblies and molecular machines. Here, the engineering of supramolecular interactions allows selection of a self-recognition process of dimerization over one of helicate-cage formation. Read more »
Engineering Lipophilic Aggregation of Adapalene and Adamantane-Based Cocrystals via van der Waals Forces and Hydrogen Bonding
Adamantanes are emerging building blocks for active pharmaceutical ingredients. In this work, we sought to understand how systematic modification of the hydrophobic cage in adamantanes could result in changes to crystal packing in single and multicomponent organic solids. Read more »
A Cleaner Way to Produce Ammonia
A cavity made from linked rare-earth metals, such as zirconium and titanium, can convert abundant molecular nitrogen (N2) into useful nitrogen compounds, including ammonia or tris(silyl)amines, at room temperature. Read more »
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