trigonal-pyramidal group

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• Trigonal pyramidal molecular geometry — Infobox molecular geometry Symmetry group= C3v Electron direction=4 Atom direction=3 Bond angle …   Wikipedia

• Pyramidal alkene — Pyramidal alkenes are alkenes in which the two carbon atoms making up the double bond are not coplanar with their four substituents Ref|. This deformation from a trigonal planar geometry to a tetrahedral molecular geometry is the result of angle… …   Wikipedia

• Trigonal planar molecular geometry — In chemistry, trigonal planar is a molecular geometry with one atom at the center and three atoms at the corners of a triangle all in one planeFact|date=January 2008. In an ideal trigonal planar species, all three ligands are identical and all… …   Wikipedia

• Square pyramidal molecular geometry — In molecular geometry, square based pyramidal geometry describes the shape of certain compounds with the formula ML5 where L is a ligand. If the ligand atoms were connected, the resulting shape would be that of a pyramid with a square base. The… …   Wikipedia

• Crystal system — Diamond crystal structure consists of face centered cubic lattice. In crystallography, the terms crystal system, crystal family, and lattice system each refer to one of several classes of space groups, lattices, point groups, or crystals.… …   Wikipedia

• VSEPR theory — Valence shell electron pair repulsion (VSEPR) theory is a model in chemistry used to predict the shape of individual molecules based upon the extent of electron pair electrostatic repulsion.[1] It is also named Gillespie–Nyholm theory after its… …   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

• Molecular symmetry — in chemistry describes the symmetry present in molecules and the classification of molecules according to their symmetry. Molecular symmetry is a fundamental concept in chemistry, as it can predict or explain many of a molecule s chemical… …   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

• organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

• Indium halides — There are three sets of indium halides, the trihalides, the monohalides and a surprising number of intermediate halides. In all of the trihalides the oxidation state of indium is +3 and their proper names are indium(III) fluoride, indium(III)… …   Wikipedia