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Diagram showing two ways to represent a double bond: the top illustration depicts two atoms connected by two bonding pairs of electrons, while the bottom shows the same atoms linked by a single superpair of electrons.
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superpair

chemistry
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Diagram showing two ways to represent a double bond: the top illustration depicts two atoms connected by two bonding pairs of electrons, while the bottom shows the same atoms linked by a single superpair of electrons.
chemical bond Figure 9: Double bonds. The geometric arrangement of atoms linked by two shared pairs of electrons in a double bond (top) can be simulated by treating the double bond as the result of the sharing of a single superpair of electrons (bottom).

The term "superpair" in chemistry refers to a concept used in the Valence-Shell Electron-Pair Repulsion (VSEPR) theory to simplify the analysis of molecules with multiple bonds. In this theory, a multiple bond (like a double or triple bond) is treated as a single "superpair" of electrons. This simplification helps in predicting the geometric shapes of molecules by considering these superpairs along with lone pairs of electrons, as the arrangement of these electron pairs determines the molecular shape by minimizing repulsion.1

It is important to distinguish this from a "Cooper pair," which is a pair of electrons in a superconductor that are bound together and have opposite momentum and spin. Another related concept is an "ion pair," which consists of a positive and a negative ion temporarily held together by electrostatic attraction, commonly found in concentrated electrolyte solutions.23

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3 Britannica Sources
  1. chemical bonding - Molecules with multiple bonds
  2. Cooper pair
  3. ion pair

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