Bond Length

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A team of researchers from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Stony Brook University have devised a new quantum algorithm to compute the lowest energies of molecules at specific configurations during chemical reactions, including when their chemical bonds are broken. As described in Physical Review Research, compared to similar existing algorithms, including the team's previous…

A team of physicists has produced pure trilobite molecules in rubidium over a wide range of frequencies and characterize their binding energies, lifetimes, and dipole moments.

The direct band gap of AlN-based materials makes them suitable for fabricating DUV optoelectronic devices, which have a wide range of application prospects in the fields of curing, water and air disinfection, medicine and biochemistry. Therefore, achieving a high-quality epitaxy of AlN films is of particular importance to ensure the excellent performance of DUV photoelectric devices.

Water is an abundant and essential compound, found everywhere on Earth. Yet despite its familiarity and simple structure, water displays many unusual physical properties. For more than a century, scientists have turned their attention to the study of water, attempting to better interpret its structure.

The highly unstable radioactive element promethium is hard to study in the lab, but chemists have now coaxed it into forming a compound in water so they can observe its bonding behaviour

Pb-free all-inorganic halide double perovskites (DPs) have emerged as an important class of environmentally benign phosphors for optoelectronic applications. The studies on them are mainly restricted to the visible spectral region.

A team of experimentalists at the Max Planck Institute of Quantum Optics (MPQ) and theorists at the Chinese Academy of Sciences (CAS) has succeeded for the first time in populating and stabilizing a new type of molecule, so-called field-linked tetratomic molecules. These "supermolecules" are so fragile that they can only exist at ultracold temperatures. Their existence had long been suspected but has never been…

Superatomic molecules containing noble metal elements like gold and silver are studied for their potential in the synthesis of superatomic materials. However, the understanding of silver-based superatomic molecules has been limited. Addressing this gap, researchers from Japan studied two bimetallic superatomic molecules with silver as a main constituent to determine the key factors that enabled their formation.…

Tetraphenylammonium, with all four hydrogens of ammonium (NH4+) replaced with benzene rings, has neither been discovered in nature nor chemically synthesized, calling into question whether it could exist. Here, we succeeded in synthesizing tetraphenylammonium for the first time, demonstrating its stable existence. The synthetic strategy used in this study, radical coupling, may be applicable to the synthesis of…

Promethium, one of the rarest and most mysterious elements in the periodic table, has finally given up some crucial chemical secrets

Metal nanoclusters are tiny, crystalline structures up to two nanometers (2 x 10-9 meters) in diameter that contain a few to hundreds of metal atoms. Understanding the precise assembly of metal nanoclusters is paramount to determining how different structures affect the properties and molecular interactions of these materials.

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