crystal-field splitting energy

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• Crystal field theory — (CFT) is a model that describes the electronic structure of transition metal compounds, all of which can be considered coordination complexes. CFT successfully accounts for some magnetic properties, colours, hydration enthalpies, and spinel… …   Wikipedia

• ligand field theory — ▪ chemistry       in chemistry, one of several theories that describe the electronic structure of coordination or complex compounds, notably transition metal complexes, which consist of a central metal atom surrounded by a group of electron rich… …   Universalium

• Ligand field theory — (LFT) describes the bonding in coordination complexes. [Schläfer, H. L.; Gliemann, G. Basic Principles of Ligand Field Theory Wiley Interscience: New York; 1969] It represents an application of molecular orbital theory to transition metal… …   Wikipedia

• chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

• Hemoglobin — Hemoglobin, human, adult (heterotetramer, (αβ)2) Structure of human hemoglobin. The protein s α and β subunits are in red and blue, and the iron containing heme groups in green. Fro …   Wikipedia

• Magnetochemistry — is concerned with the magnetic properties of chemical compounds. Magnetic properties arise from the spin and orbital angular momentum of the electrons contained in a compound. Compounds are diamagnetic when they contain no unpaired electrons.… …   Wikipedia

• Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… …   Wikipedia

• Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

• Octahedral molecular geometry — Idealized structure of a compound with octahedral coordination geometry. In chemistry, octahedral molecular geometry describes the shape of compounds where in six atoms or groups of atoms or ligands are symmetrically arranged around a central… …   Wikipedia

• Spectrochemical series — A spectrochemical series is a list of ligands ordered on ligand strength and a list of metal ions based on oxidation number, group and its identity. In crystal field theory, ligands modify the difference in energy between the d orbitals (Δ)… …   Wikipedia

• Metalloprotein — The structure of hemoglobin. The heme cofactor, containing iron, shown in green. Metalloprotein is a generic term for a protein that contains a metal ion cofactor.[1] Metalloproteins have many different functions in cells …   Wikipedia