square-planar

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• Square planar molecular geometry — The square planar molecular geometry in chemistry describes the stereochemistry (spatial arrangement of atoms) that is adopted by certain chemical compounds. As the name suggests, molecules of this geometry have their atoms positioned at the… …   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

• Order-5 square tiling — Poincaré disk model of the hyperbolic plane Type Regular hyperbolic tiling Vertex figure 45 Schläfli symbol(s) …   Wikipedia

• Snub square tiling — In geometry, the snub square tiling is a semiregular tiling of the Euclidean plane. There are three triangles and two squares on each vertex. It has Schläfli symbol of s{4,4} .Conway calls it a snub quadrille, constructed as a snub operation… …   Wikipedia

• Set square — In American English, a set square is an alternative name for a T square. triangle, set square A set square or triangle (American English) is an object used in engineering and technical drawing, with the aim of providing a straightedge at a right… …   Wikipedia

• Migratory insertion — A migratory insertion is a type of reaction in organometallic chemistry wherein two ligands on a metal complex combine. It is a subset of reactions that very closely resembles the insertion reactions, and both are differentiated by the mechanism… …   Wikipedia

• Molecular geometry — Geometry of the water molecule Molecular geometry or molecular structure is the three dimensional arrangement of the atoms that constitute a molecule. It determines several properties of a substance including its reactivity, polarity, phase of… …   Wikipedia

• 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

• coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction  any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …   Universalium

• 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

• Coordination geometry — The term coordination geometry is used in a number of related fields of chemistry and solid state chemistry/physics. Contents 1 Molecules 2 Inorganic coordination complexes 3 Crystallography usage 4 …   Wikipedia