Valence shell electron pair repulsion (VSEPR) theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər,: 410  və-SEP-ər) is a model used in chemistry to predict the geometry...

energy levels of s and p orbitals. Bent's rule represents a modification of VSEPR theory for molecules of lower than ideal symmetry. For bonds with the larger...

hybridization for their carbon centers. According to the VSEPR model (Valence Shell Electron Pair Repulsion model), linear geometry occurs at central atoms with...

indicates the distortion from the ideal geometry of a complex based on VSEPR models. Octahedral and square planar complexes prefer angles near 90° while...

central atom, with no extra unshared electron pairs. In accordance with the VSEPR (valence-shell electron pair repulsion theory), the bond angles between...

002, MR 2602814. Gillespie, Ronald J.; Hargittai, István (2013), The VSEPR Model of Molecular Geometry, Dover Publications, p. 152, ISBN 978-0-486-48615-4...

ISBN 978-0-131-40221-8 Gillespie, R.J. (2004), "Teaching molecular geometry with the VSEPR model", Journal of Chemical Education, 81 (3): 298–304, Bibcode:2004JChEd....

the strength, directionality, and polarity of bonds. The octet rule and VSEPR theory are examples. More sophisticated theories are valence bond theory...

heteropolyhalogen ions and lower isopolyhalogen ions were in agreement with the VSEPR model. However, there were exceptional cases. For example, when the central...

descriptions include common shapes of molecules, which can be explained by the VSEPR model. In each row, the descriptions and examples have no higher symmetries...

J. Gillespie and others from 1997 onwards and is said to sit alongside VSEPR which was originally developed by R. J. Gillespie and R Nyholm. The inter-ligand...

Commons has media related to Ball-and-stick models. VSEPR theory Turner M (1971). "Ball and stick models for organic chemistry". Journal of Chemical Education...

compound. The compound is a colorless gas, with bent molecular shape. The VSEPR model explains this geometry via a lone-pair of electrons on the nitrogen atom...

result of later developments resulting partially from the introduction of VSEPR, an alternative view arose which considers the two lone pairs to be equivalent...

on expanding the idea of the Valence Shell Electron Pair Repulsion (VSEPR) model of Molecular Geometry, which he developed with Ronald Nyholm (and thus...

two isomers of butene have distinct properties. As predicted by the VSEPR model of electron pair repulsion, the molecular geometry of alkenes includes...

properties, and reactivity of physical matter. This can refer to: VSEPR theory, a model of molecular geometry. Valence bond theory, which describes molecular...

molecules returned familiar arrangements that were well explained by the VSEPR model for atomic bonding. Accordingly, AB5 and AB6 type molecules would possess...

and H2O are called bent. Theodore L. Brown; et al. (2015). "9.2 The Vsepr Model". Chemistry : the central science (13 ed.). Pearson. p. 351. ISBN 978-0-321-91041-7...

above and below the plane (axial or apical positions). According to the VSEPR theory of molecular geometry, an axial position is more crowded because...

this distortion is in pyramidal alkenes. AXE method Molecular geometry VSEPR theory March, Jerry (1985). Advanced organic chemistry : reactions, mechanisms...

pair is a concept used in valence shell electron pair repulsion theory (VSEPR theory) which explains the shapes of molecules. They are also referred to...

compounds that have a stereochemically-active lone pair, as described by VSEPR theory. Certain compounds crystallize in both the trigonal bipyramidal and...

ISSN 0009-2614. Gillespie, R. J. (2008-07-01). "Fifty years of the VSEPR model". Coordination Chemistry Reviews. 252 (12): 1315–1327. doi:10.1016/j...

explained by one unified bonding model. Instead, several traditional and advanced bonding models such as simple Lewis and VSEPR structure, valence bond theory...

geometry are sometimes described as sp3 hybridized. The AXE method for VSEPR theory states that the classification is AX3E1. The nitrogen in ammonia...

molecule is linear with a bond length consistent with strong ionic bonding. VSEPR theory would predict a bent shape similar to H 2O. Lithium oxide is used...

(SCl2), and methylene (CH2). This geometry is almost always consistent with VSEPR theory, which usually explains non-collinearity of atoms with a presence...

accommodate it). These both represent a divergence from the geometry predicted by VSEPR, which for AX6E1 predicts a pentagonal pyramidal shape. Pairs of octahedra...

stereochemistry is denoted in skeletal formulae. Solid-state chemistry VSEPR theory Nuclear Overhauser effect, a method in nuclear magnetic resonance...