Cluster chemistry
In chemistry, a cluster is an ensemble of bound atoms or molecules that is intermediate in size between a molecule and a bulk solid. Clusters exist of diverse stoichiometries and nuclearities. For e...
Cluster chemistry - Wikipedia
Superatom
A superatom is any cluster of atoms that seem to exhibit some of the properties of elemental atoms.Sodium atoms, when cooled from vapor, naturally condense into clusters, preferentially containing a m...
Molecular clusters
In chemistry, a cluster is an ensemble of bound atoms or molecules that is intermediate in size between a molecule and a bulk solid. Clusters exist of diverse stoichiometries and nuclearities. For e...
Molecular clusters - Wikipedia
Water cluster
In chemistry a water cluster is a discrete hydrogen bonded assembly or cluster of molecules of water. These clusters have been found experimentally or predicted in silico in various forms of water; in...
Water cluster - Wikipedia
Thiolate-protected gold cluster
Thiolate-protected gold clusters are a type of ligand-protected metal cluster, synthesized from gold ions and thin layer compounds that play a special role in cluster physics because of their unique ...
Thiolate-protected gold cluster - Wikipedia
Carborane
A carborane is a cluster composed of boron, carbon and hydrogen atoms. Like many of the related boranes, these clusters are polyhedra and are similarly classified as closo-, nido-, arachno-, hypho-, ...
Carborane - Wikipedia
Carborane acid
Carborane acid H(CHB11Cl11) is a superacid one million times stronger than sulfuric acid. The reason for this high acidity is that the acid anion carborane (CHB11Cl11) is very stable and substituted ...
Carborane acid - Wikipedia
Fe–Ni clusters
Iron–nickel (Fe–Ni) clusters are metal clusters consisting of iron and nickel, i.e. Fe–Ni structures displaying polyhedral frameworks held together by two or more metal–metal bonds per metal atom, whe...
Fe–Ni clusters - Wikipedia
Jemmis mno rules
Jemmis mno rules represent a unified rule for predicting and systematizing structures of compounds, usually clusters. The rules involve electron counting. They were formulated by Eluvathingal Devassy ...
Jemmis mno rules - Wikipedia
Ditungsten tetra(hpp)
Di-tungsten tetra(hpp) is the name of the coordination compound with the formula W2(hpp)4. This material consists of a pair of tungsten centers linked by the conjugate base of four hexahydropyrimidop...
Ditungsten tetra(hpp) - Wikipedia
Colorimetric analysis
Colorimetric analysis is a method of determining the concentration of a chemical element or chemical compound in a solution with the aid of a color reagent. It is applicable to both organic compounds ...
Tetrahedrane
Tetrahedrane is a platonic hydrocarbon with chemical formula C4H4 and a tetrahedral structure. Extreme angle strain (carbon bond angles deviate considerably from the tetrahedral bond angle of 109.5°)...
Tetrahedrane - Wikipedia
Keggin structure
Keggin structure is the best known structural form for heteropoly acids. It is the structural form of α–Keggin anions, which have a general formula of [XM12O40], where X is the heteroatom (most common...
Keggin structure - Wikipedia
Fe-Ni clusters
Iron–nickel (Fe–Ni) clusters are metal clusters consisting of iron and nickel, i.e. Fe–Ni structures displaying polyhedral frameworks held together by two or more metal–metal bonds per metal atom, whe...
Fe-Ni clusters - Wikipedia
Metal carbonyl cluster
In chemistry, a metal carbonyl cluster is a compound that contains two or more metals linked in part by metal-metal bonds and containing carbon monoxide (CO) as the exclusive or predominant ligand. S...
Metal carbonyl cluster - Wikipedia
Water dimer
The water dimer consists of two water molecules loosely bound by a hydrogen bond. It is the smallest water cluster. Because it is the simplest model system for studying hydrogen bonding in water, it h...
Water dimer - Wikipedia
Atomic clusters
In chemistry, a cluster is an ensemble of bound atoms or molecules that is intermediate in size between a molecule and a bulk solid. Clusters exist of diverse stoichiometries and nuclearities. For e...
Atomic clusters - Wikipedia
Iron-sulfur protein
Iron-sulfur proteins are proteins characterized by the presence of iron-sulfur clusters containing sulfide-linked di-, tri-, and tetrairon centers in variable oxidation states. Iron-sulfur clusters ar...
Iron-sulfur protein - Wikipedia
Polyoxometalate
In chemistry, a polyoxometalate (abbreviated POM) is a polyatomic ion, usually an anion, that consists of three or more transition metal oxyanions linked together by shared oxygen atoms to form a larg...
Polyoxometalate - Wikipedia
Gold cluster
Gold clusters in cluster chemistry are gold-derived materials that can either be discrete molecules or larger colloidal particles. Both types are described as nanoparticles, with diameters of less th...
Metal aromaticity
In metal aromaticity the concept of aromaticity found in many hydrocarbons is extended to metals. The first experimental evidence for the existence of aromaticity in metals was found in aluminium clus...
Zintl phase
In chemistry a Zintl phase is the product of a reaction betweenZintl phases were named for the German chemist Eduard Zintl who investigated them in the 1930s. The term "Zintl Phases" was first used by...
Molybdenum blue
Molybdenum blue is a term applied to:The "heteropoly-molybdenum blues", are used extensively in analytical chemistry and as catalysts. The formation of "isopoly-molybdenum blues" which are intense blu...
Molybdenum blue - Wikipedia
Octahedral cluster
Octahedral clusters are inorganic or organometallic cluster compounds composed of six metals in an octahedral array. Many types of compounds are known, but all are synthetic.
These compounds are ...
Octahedral cluster - Wikipedia
Iron-sulfur cluster
For biological Fe-S clusters, see iron-sulfur proteins.Iron-sulfur clusters are ensembles of iron and sulfide centres. Fe-S clusters are most often discussed in the context of the biological role for...
Iron-sulfur cluster - Wikipedia