In chemistry the polyhedral skeletal electron pair theory (PSEPT) provides electron counting rules useful for predicting the structures of clusters such...

production Frustrated Lewis pair Jemmis mno rules Lewis acids and bases Lewis structure Nucleophile Polyhedral skeletal electron pair theory Lewis, Gilbert N. (1916)...

rule for the π-electrons of aromatic compounds, Polyhedral skeletal electron pair theory for polyhedral cluster compounds, including transition metals...

Polyhedral skeletal electron pair theory — Baeyer strain theory — Quantum theory of atoms in molecules — Collision theory — Ligand field theory (successor...

features heavily in cluster compounds described by the polyhedral skeletal electron pair theory, such as boranes and carboranes. These molecules derive...

Molecular modelling Molecular symmetry Molecule editor Polyhedral skeletal electron pair theory Quantum chemistry Ribbon diagram Styx rule (for boranes)...

can be used in the applications of chemistry as in the polyhedral skeletal electron pair theory and chemical compounds. There are infinitely many concave...

solid Polyhedron model Polyhedral number Polyhedral skeletal electron pair theory Polyhedral space Polyhedral symbol Polyhedral terrain Polytope model...

complexes. Their structures can often be rationalized by polyhedral skeletal electron pair theory. The inventory of these compounds is large, and their structures...

powder. As the lightest element of the boron group it has three valence electrons for forming covalent bonds, resulting in many compounds such as boric...

rules and polyhedral skeletal electron pair theory. The Jemmis mno rule provides the relationship between polyhedral boranes, condensed polyhedral boranes...

in the context of polyhedral skeletal electron pair theory. This theory predicts that tetrametallic clusters with 60 valence electrons will adopt tetrahedral...

of BH centers. The bonding of the clusters ushered in Polyhedral skeletal electron pair theory and Wade's rules, which can be used to predict the structures...

on pi ligands. Mingos' 1984 paper on the polyhedral skeletal electron pair theory develops Wade's electron counting rules for predicting the molecular...

2-centre 2-electron bonds (2c-2e), others are "electron deficient" and bonding sometimes can be described using polyhedral skeletal electron pair theory (Wade's...

polycations. The term is usually used in the context of polyhedral skeletal electron pair theory or systematic nomenclature in inorganic chemistry. From...

elaborate rules are invoked including Jemmis mno rules and polyhedral skeletal electron pair theory. Although clusters are often written with discrete M-M...

consistent with the classification of this cage as "closo" in polyhedral skeletal electron pair theory. Crystals of Cs2B12H12 feature Cs+ ions in contact with...

of Chemistry. Wade's Rules, also known as polyhedral skeletal electron pair theory, are a set of electron counting rules to predict the shapes of borane...

tissue is present. Cells of this type of tissue are roughly spherical or polyhedral to rectangular in shape, with thin cell walls. New cells produced by meristem...

These compounds are Lewis acids in that they readily form adducts with electron-pair donors, which are called Lewis bases. For example, fluoride (F−) and...

hydrocarbons are typically chains or rings. Like for other electron-delocalized polyhedral clusters, the electronic structure of these cluster compounds...

4 skeletal-electrons corresponding to a nido-form of a trigonal-bipyramid) and 1x Si4− 9 (according to Wade's rules, 22 = 2n + 4 skeletal-electrons corresponding...