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Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Theoretical Chemistry. (Erkki Brändas)
2015 (English)Book (Other academic)
Abstract [en]



Advances in Quantum Chemistry provides researchers in quantum chemistry, physical chemistry and chemical physics with up-to-date surveys, invited reviews and highlights of recent achievements. Although the field of quantum chemistry has emerged as a subject of its own it overlaps fundamentally with other fields like applied mathematics, theoretical biology, signal processing including applications in medicine.

In the present volume, the readers are presented with an exciting combination of themes, i.e. a description of anti-ferromagnetism in copper oxide, proton-conducting mechanism in solid oxide fuel cells, time-dependent processes in molecular processes, the essence of chemical bonding, biological models for repair of cellular radiation damage, momentum space methods for accurate molecular electronic structure calculations and functional theoretic models for hydrogen bonding networks and proton wires in water oxidation reactions.


The first chapter in this volume Chapter, by Kimichika Fukushima, deals with the description of antiferromagaetism in copper oxides using density functional theory.  This is a longstanding problem, and the solution is discussed in terms of the variational method based SIWB (surrounding or solid Coulomb-potential-induced well for basis set) scheme.  The characteristics of the well stabilizing the O2- ion and making antiferromagaetism possible are discussed.


In the second chapter Taku Onishi investigates proton-conducting mechanisms in solid electrolyte oxide fuel cells. Specifically LaAlO3 perovskite is allegedly proposed and compared with conventional perovskite-type conductors. The analysis, based on hybrid Kohn-Sham density functional theory, characterizing the proton conducting pathways, confronts mechanism elucidation and material design, including safety aspects regarding the conflicts with oxide ion conduction. In particular as the oxygen vacancy, doped to incorporate the proton, may conflict with oxide ion conduction, it was concluded, when utilizing LaAlO3 that the temperature strictly regulates the prevention of coincident oxide ion conduction.


In Chapter 3, Yngve Öhrn presents and discusses a time dependent treatment of molecular processes.  The scheme, known as electron nuclear dynamics (END), is described in formal detail wich includes the choice of coordinate system and its effect on the molecular Hamiltonian, the choice of molecular wave function and the particular role of the time-dependent parameters that originates in a coherent state representation is discussed.  References are given to some of the work done with ENDYNE.


Chapter 4 concerns chemical bonding. In the present contribution, Elena Sheka describes her experiences of chemical bonds in various investigations of structural chemistry. The investigations comprise a rich selection of chemical compounds from single, double and triple bonds, involving carbon, to provoking the main issues of modern chemistry devoted to fullerenes and recently graphene, the famous nobeliated 2D solid. The structures investigated permit a rather simple methodology based on the odd electron strategy, predominantly advocated by the author.


In chapter 5, Dževad and Karen Belkić, advance their notable input to a far-reaching and across-the-board biophysical and chemical analysis of surviving fractions of irradiate cells and their new mechanistic repair-based Padé linear-quadratic model, PLQ. As current dose planning systems in radiotherapy, based on linear-quadratic models (LQ), is satisfactory only at low doses and inadequate for treatment modalities, or hyperfractionation, it is demonstrated that PLQ significantly outperforms LQ models regarding cell survival fractions including saturation effects.


Although Gaussian technology has greatly simplified mainstream quantum chemistry, it is a cognizant fact that exponential-type orbitals, ETO’s, are better suited for molecular electronic structure calculations. In chapter 6, James and John Avery contribute to new progress in quantum chemistry by using Fock’s projection of 3D momentum space to 4D hyperspherical harmonics. The authors exploit their extraordinary competence in treating so-called Coulomb Sturmians to derive a general mathematical theorem including elegant, rapid and accurate evaluations of appropriate quantum mechanical molecular integrals. The ensuing closed form expression is illustrated by adequate examples.


The final contribution to this volume, Chapter 7 by Yamaguchi et al., uses a QM/MM method to calculate complicated properties of water oxidation in the biosystem known as photosystem II (PSII).  Water oxidation in the oxygen evolving complex of PSII is dependent on the hydrogen-bonding networks.  The QM/MM computations elucidate the network structures: hydrogen–bonding O…. O(N) and O…H distances and O(N)-H…O angles in PRP, together with the Cl-O(N) and Cl…H distances and O(N)-H…Cl angles for chloride anions.  The results are compared with experiment.


As advertised, the contents of this volume are multifarious as regards both fundamental theory and innovative applications. The contributing authors have made great strides to share their insights with the reader of the Advances. As series editors, we hope that the present volume will impart the same pleasure and enjoyment as we faced during the preparation of this volume.

 John R. Sabin and Erkki J. Brändas

Place, publisher, year, edition, pages
Amsterdam: Academic Press, 2015. , 425 p.
, Advances in Quantum Chemistry, ISSN 0065-3276 ; 70
National Category
Theoretical Chemistry
Research subject
Physics with specialization in Quantum Chemistry; Chemistry with specialization in Quantum Chemistry
URN: urn:nbn:se:uu:diva-269709ISBN: 978-0-12-801891-0OAI: oai:DiVA.org:uu-269709DiVA: diva2:885002
Available from: 2015-12-17 Created: 2015-12-17 Last updated: 2015-12-17

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