Resonating Valence Bonds in Chemistry and Solid State

Evgeny Plekhanov; Andrei Tchougréeff

doi:10.1002/9783527691036.hsscvol5007

Resonating Valence Bonds in Chemistry and Solid State

Evgeny Plekhanov, Andrei Tchougréeff

RWTH Aachen University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

This chapter combines two complementary parts. In the first part, we discuss (largely qualitatively) the relations between the resonance valence bond (RVB) and tight-binding/linear combination of atomic orbitals (LCAO) pictures of the electronic structure using the archetypal example: the π-system of benzene. The second more formal part is devoted to extensions of the RVB ideas to solids. We exemplify these issues by several simple models ranging from the one-dimensional polyene chain – an infinite extension of benzene molecule – through graphene and finish by probably the most spectacular example of the enigmatic quantum RVB state of copper(II) carbodiimide (CuNCN) – the new material, where an assumption of the RVB character of its electronic phases was crucial for explaining its room- and low-temperature physics.

Original language	English
Title of host publication	Handbook of Solid State Chemistry
Subtitle of host publication	Part 5. Theoretical Description
Publisher	Wiley - VCH
Pages	87–117
Number of pages	29
Volume	5
DOIs	https://doi.org/10.1002/9783527691036.hsscvol5007
Publication status	Published - 9 Aug 2017

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title = "Resonating Valence Bonds in Chemistry and Solid State",

abstract = "This chapter combines two complementary parts. In the first part, we discuss (largely qualitatively) the relations between the resonance valence bond (RVB) and tight-binding/linear combination of atomic orbitals (LCAO) pictures of the electronic structure using the archetypal example: the π-system of benzene. The second more formal part is devoted to extensions of the RVB ideas to solids. We exemplify these issues by several simple models ranging from the one-dimensional polyene chain – an infinite extension of benzene molecule – through graphene and finish by probably the most spectacular example of the enigmatic quantum RVB state of copper(II) carbodiimide (CuNCN) – the new material, where an assumption of the RVB character of its electronic phases was crucial for explaining its room- and low-temperature physics.",

author = "Evgeny Plekhanov and Andrei Tchougr{\'e}eff",

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AU - Tchougréeff, Andrei

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N2 - This chapter combines two complementary parts. In the first part, we discuss (largely qualitatively) the relations between the resonance valence bond (RVB) and tight-binding/linear combination of atomic orbitals (LCAO) pictures of the electronic structure using the archetypal example: the π-system of benzene. The second more formal part is devoted to extensions of the RVB ideas to solids. We exemplify these issues by several simple models ranging from the one-dimensional polyene chain – an infinite extension of benzene molecule – through graphene and finish by probably the most spectacular example of the enigmatic quantum RVB state of copper(II) carbodiimide (CuNCN) – the new material, where an assumption of the RVB character of its electronic phases was crucial for explaining its room- and low-temperature physics.

AB - This chapter combines two complementary parts. In the first part, we discuss (largely qualitatively) the relations between the resonance valence bond (RVB) and tight-binding/linear combination of atomic orbitals (LCAO) pictures of the electronic structure using the archetypal example: the π-system of benzene. The second more formal part is devoted to extensions of the RVB ideas to solids. We exemplify these issues by several simple models ranging from the one-dimensional polyene chain – an infinite extension of benzene molecule – through graphene and finish by probably the most spectacular example of the enigmatic quantum RVB state of copper(II) carbodiimide (CuNCN) – the new material, where an assumption of the RVB character of its electronic phases was crucial for explaining its room- and low-temperature physics.

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DO - 10.1002/9783527691036.hsscvol5007

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VL - 5

SP - 87

EP - 117

BT - Handbook of Solid State Chemistry

PB - Wiley - VCH

ER -

Resonating Valence Bonds in Chemistry and Solid State

Abstract

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