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A carbocation is an ion with a positively charged carbon atom. ... 1-adamantyl cation), 3-coordinate carbon in carbenium ions are usually trigonal planar, ...
Experiments and calculations generally agree that the methenium ion is planar, with threefold symmetry. [3] The carbon atom is a prototypical (and exact) example of sp 2 hybridization. Preparation and reactions
In chemistry, trigonal planar is a molecular geometry model with one atom at the center and three atoms at the corners of an equilateral triangle, called peripheral atoms, all in one plane. [1] In an ideal trigonal planar species, all three ligands are identical and all bond angles are 120°.
Trigonal planar: Molecules with the trigonal planar shape are somewhat triangular and in one plane (flat). Consequently, the bond angles are set at 120°. For example, boron trifluoride. Angular: Angular molecules (also called bent or V-shaped) have a non-linear shape. For example, water (H 2 O), which has an angle of about 105°. A water ...
The 2-Norbornyl cation is one of the best characterized carbonium ion. It is the prototype for non-classical ions. As indicated first by low-temperature NMR spectroscopy and confirmed by X-ray crystallography, [1] it has a symmetric structure with an RCH 2 + group bonded to an alkene group, stabilized by a bicyclic structure.
The ion then relaxes to its more favorable trigonal planar form, with release of about 30 kcal/mol of energy—that goes into vibrations and rotation of the ion. [2] The carbocation then can interact with surrounding molecules in many reactions that cannot be achieved by other means.
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Trigonal planar Except where otherwise noted, data are given for materials in their standard state ... It is a carbocation due to its positively charged carbon atom.