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Iron–nickel clusters

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Figure 1: Closed triangulated polyhedra. (a) Tetrahedron (Td), (b) Trigonal bipyramid (D3h). (c) Octahedron (Oh). (d) Pentagonal bipyramid (D5d). (e) Capped octahedron (Cs). (f) Octadecahedron (C2r) 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, where the metal atoms are located at the vertices of closed, triangulated polyhedra. [1]

48 relations: Active site, Atomic orbital, Bacteria, Binding energy, Biomass, Biomimetics, Bond length, Carbon monoxide, Carbonyl group, Catalysis, Cell membrane, Chemical Physics Letters, Chemical synthesis, Cluster chemistry, Coal, Crystal structure, Cubic crystal system, Cyanide, Cystine, Density functional theory, Diamagnetism, Electron density, Fossil fuel, Hydrogen production, Hydrogenase, Intervalence charge transfer, Iron, Journal of Cluster Science, Ligand, Magnetic moment, Magnetism, Mitochondrion, Molecular orbital, Natural gas, Nickel, Octahedron, Organic redox reaction, Organometallic chemistry, Oxidation state, Oxygen, Physica Status Solidi, Physical Review B, Platinum, Polyhedron, Redox, Square pyramid, Sulfur, Tetrahedron.

Active site

In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

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Atomic orbital

In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.

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Bacteria

Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

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Binding energy

Binding energy (also called separation energy) is the minimum energy required to disassemble a system of particles into separate parts.

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Biomass

Biomass is an industry term for getting energy by burning wood, and other organic matter.

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Biomimetics

Biomimetics or biomimicry is the imitation of the models, systems, and elements of nature for the purpose of solving complex human problems.

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Bond length

In molecular geometry, bond length or bond distance is the average distance between nuclei of two bonded atoms in a molecule.

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Carbon monoxide

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

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Carbonyl group

In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom: C.

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Catalysis

Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Chemical Physics Letters

Chemical Physics Letters is a biweekly peer-reviewed scientific journal covering research in chemical physics and physical chemistry.

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Chemical synthesis

Chemical synthesis is a purposeful execution of chemical reactions to obtain a product, or several products.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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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.

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Coal

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.

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Crystal structure

In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material.

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Cubic crystal system

In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.

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Cyanide

A cyanide is a chemical compound that contains the group C≡N.

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Cystine

Cystine is the oxidized dimer form of the amino acid cysteine and has the formula (SCH2CH(NH2)CO2H)2.

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Density functional theory

Density functional theory (DFT) is a computational quantum mechanical modelling method used in physics, chemistry and materials science to investigate the electronic structure (principally the ground state) of many-body systems, in particular atoms, molecules, and the condensed phases.

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Diamagnetism

Diamagnetic materials are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force.

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Electron density

Electron density is the measure of the probability of an electron being present at a specific location.

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Fossil fuel

A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.

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Hydrogen production

Hydrogen production is the family of industrial methods for generating hydrogen.

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Hydrogenase

A hydrogenase is an enzyme that catalyses the reversible oxidation of molecular hydrogen (H2), as shown below: Hydrogen uptake is coupled to the reduction of electron acceptors such as oxygen, nitrate, sulfate, carbon dioxide, and fumarate.

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Intervalence charge transfer

In chemistry, intervalence charge transfer, often abbreviated IVCT or even IT, is an electron transfer (thermal or photoinduced) between two metal sites differing only in oxidation state.

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Journal of Cluster Science

The Journal of Cluster Science is a quarterly peer-reviewed scientific journal covering all aspects of cluster science, including nanoclusters and nanoparticles.

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Ligand

In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.

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Magnetic moment

The magnetic moment is a quantity that represents the magnetic strength and orientation of a magnet or other object that produces a magnetic field.

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Magnetism

Magnetism is a class of physical phenomena that are mediated by magnetic fields.

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Mitochondrion

The mitochondrion (plural mitochondria) is a double-membrane-bound organelle found in most eukaryotic organisms.

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Molecular orbital

In chemistry, a molecular orbital (MO) is a mathematical function describing the wave-like behavior of an electron in a molecule.

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Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Octahedron

In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices.

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Organic redox reaction

Organic reductions or organic oxidations or organic redox reactions are redox reactions that take place with organic compounds.

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Organometallic chemistry

Organometallic chemistry is the study of organometallic compounds, chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkaline, alkaline earth, and transition metals, and sometimes broadened to include metalloids like boron, silicon, and tin, as well.

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Oxidation state

The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Physica Status Solidi

Physica Status Solidi, often stylized physica status solidi or pss, is a family of international peer-reviewed, scientific journals, publishing research on all aspects of solid state physics, and materials science.

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Physical Review B

Physical Review B: Condensed Matter and Materials Physics (also known as PRB) is a peer-reviewed, scientific journal, published by the American Physical Society (APS).

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Polyhedron

In geometry, a polyhedron (plural polyhedra or polyhedrons) is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices.

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Redox

Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Square pyramid

In geometry, a square pyramid is a pyramid having a square base.

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Sulfur

Sulfur or sulphur is a chemical element with symbol S and atomic number 16.

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Tetrahedron

In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Fe-Ni Clusters, Fe-Ni clusters, Fe–Ni clusters, Iron-nickel clusters.

References

[1] https://en.wikipedia.org/wiki/Iron–nickel_clusters

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