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Book
Spectroscopy of matrix isolated species
Authors: --- --- ---
ISBN: 047192170X Year: 1989 Volume: 17 Publisher: Chichester New York Singapore John Wiley

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Book
Manipulation of matrix-isolated molecules and molecular clusters with electrostatic fields
Author:
ISBN: 9811586934 9811586926 Year: 2020 Publisher: Springer Singapore

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This book describes the manipulation of molecular properties, such as orientation, structure, and dynamics, of small molecules and molecular clusters isolated in cold inert matrices by using unprecedentedly strong external electrostatic fields. Manipulation of molecules with controllable external forces is a dream of chemists. Molecules are inherently quantum-mechanical systems, control of which potentially can lead to quantum technology, such as quantum sensing and computing. This book demonstrates a combination of the ice film nanocapacitor method and the matrix isolation technique enabled the application of intense external dc electric fields across the isolated molecules and molecular clusters. Changes in molecular states induced by fields were monitored by means of vibrational spectroscopy. Also, the book presents manipulations of the inversion tunneling dynamics of ammonia molecule and the dislocation of acidic proton in hydrogen chloride–water complex. The book shows that the vibrational spectroscopy with the aid of unprecedentedly strong dc electric field can provide rich information on the electrostatic behaviors of molecules and molecular clusters, which underlie the understanding of intermolecular processes and molecular manipulation.


Book
Intramolecular Hydrogen Bonding 2021
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This book describes the results of both theoretical and experimental research on many topical issues in intramolecular hydrogen bonding. Its great advantage is that the presented research results have been obtained using many different techniques. Therefore, it is an excellent review of these methods, while showing their applicability to the current scientific issues regarding intramolecular hydrogen bonds. The experimental techniques used include X-ray diffraction, infrared and Raman spectroscopy (IR), nuclear magnetic resonance spectroscopy (NMR), nuclear quadrupole resonance spectroscopy (NQR), incoherent inelastic neutron scattering (IINS), and differential scanning calorimetry (DSC). The solvatochromic and luminescent studies are also described. On the other hand, theoretical research is based on ab initio calculations and the Car–Parrinello Molecular Dynamics (CPMD). In the latter case, a description of nuclear quantum effects (NQE) is also possible. This book also demonstrates the use of theoretical methods such as Quantum Theory of Atoms in Molecules (QTAIM), Interacting Quantum Atoms (IQA), Natural Bond Orbital (NBO), Non-Covalent Interactions (NCI) index, Molecular Tailoring Approach (MTA), and many others.

Keywords

Research & information: general --- intramolecular interaction --- interaction energy --- hydrogen bond --- intramolecular hydrogen bonds --- deuterium isotope effects on chemical shifts --- isotope ratios --- hydrogen bond energies --- intramolecular hydrogen bonding --- high-accuracy extrapolation methods --- QTAIM --- non-covalent interactions --- local vibrational modes --- hydrogen bond (HB) --- intramolecular hydrogen bond (IHB) --- molecular tailoring approach (MTA) --- fragmentation methods --- bond energy estimation --- noncovalent interactions --- structures and binding energies --- charge-transfer interactions --- spin–spin coupling constants --- polymorphism --- isomerization --- phase transition --- nitro group --- matrix isolation --- IINS --- FT-IR --- Raman --- X-ray --- NQR --- DSC --- DFT --- Schiff base --- N-salicylidene aniline derivative --- photophysical properties --- solvatochromism --- Hirshfeld surface analysis --- amino-alcohols --- α-substitution --- beryllium bonds --- calculated infrared spectra --- interacting quantum atoms --- resonance-assisted hydrogen bond --- Schiff bases --- inelastic incoherent neutron scattering --- isotopic effect --- excited-state intramolecular proton transfer --- photochemistry --- photobiology --- quantum chemistry --- molecular dynamics --- ultrafast processes --- gas phase --- crystalline phase --- MP2 --- CCSD --- AIM --- SAPT --- nuclear quantum effects --- CPMD --- n/a --- spin-spin coupling constants


Book
Intramolecular Hydrogen Bonding 2021
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This book describes the results of both theoretical and experimental research on many topical issues in intramolecular hydrogen bonding. Its great advantage is that the presented research results have been obtained using many different techniques. Therefore, it is an excellent review of these methods, while showing their applicability to the current scientific issues regarding intramolecular hydrogen bonds. The experimental techniques used include X-ray diffraction, infrared and Raman spectroscopy (IR), nuclear magnetic resonance spectroscopy (NMR), nuclear quadrupole resonance spectroscopy (NQR), incoherent inelastic neutron scattering (IINS), and differential scanning calorimetry (DSC). The solvatochromic and luminescent studies are also described. On the other hand, theoretical research is based on ab initio calculations and the Car–Parrinello Molecular Dynamics (CPMD). In the latter case, a description of nuclear quantum effects (NQE) is also possible. This book also demonstrates the use of theoretical methods such as Quantum Theory of Atoms in Molecules (QTAIM), Interacting Quantum Atoms (IQA), Natural Bond Orbital (NBO), Non-Covalent Interactions (NCI) index, Molecular Tailoring Approach (MTA), and many others.


Book
Intramolecular Hydrogen Bonding 2021
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

Loading...
Export citation

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Bookmark

Abstract

This book describes the results of both theoretical and experimental research on many topical issues in intramolecular hydrogen bonding. Its great advantage is that the presented research results have been obtained using many different techniques. Therefore, it is an excellent review of these methods, while showing their applicability to the current scientific issues regarding intramolecular hydrogen bonds. The experimental techniques used include X-ray diffraction, infrared and Raman spectroscopy (IR), nuclear magnetic resonance spectroscopy (NMR), nuclear quadrupole resonance spectroscopy (NQR), incoherent inelastic neutron scattering (IINS), and differential scanning calorimetry (DSC). The solvatochromic and luminescent studies are also described. On the other hand, theoretical research is based on ab initio calculations and the Car–Parrinello Molecular Dynamics (CPMD). In the latter case, a description of nuclear quantum effects (NQE) is also possible. This book also demonstrates the use of theoretical methods such as Quantum Theory of Atoms in Molecules (QTAIM), Interacting Quantum Atoms (IQA), Natural Bond Orbital (NBO), Non-Covalent Interactions (NCI) index, Molecular Tailoring Approach (MTA), and many others.

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