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Author: Michinori Oki
Publisher: Springer Science & Business Media
ISBN: 3642510248
Category : Science
Languages : en
Pages : 261
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Book Description
Rotation about the Carbon-Carbon single bond is generally regarded to be unrestricted. About 50 years ago, rotational isomers were found to exhibit optical activity: substituted biphenyl derivatives. However, the author has investigated other classes of compounds that have stable rotational isomers at room temperature. These compounds can serve as models for studying very weak intermolecular interactions, that are difficult to observe. Even diastereotopic groups show different chemical reactivity. From the contents: The "Free Rotation Concept" - Rotamer Populations - Barriers to Rotation - Reactivity of Rotational Isomers.
Author: Michinori Oki
Publisher: Springer Science & Business Media
ISBN: 3642510248
Category : Science
Languages : en
Pages : 261
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Book Description
Rotation about the Carbon-Carbon single bond is generally regarded to be unrestricted. About 50 years ago, rotational isomers were found to exhibit optical activity: substituted biphenyl derivatives. However, the author has investigated other classes of compounds that have stable rotational isomers at room temperature. These compounds can serve as models for studying very weak intermolecular interactions, that are difficult to observe. Even diastereotopic groups show different chemical reactivity. From the contents: The "Free Rotation Concept" - Rotamer Populations - Barriers to Rotation - Reactivity of Rotational Isomers.
Author: Michinori Ōki
Publisher:
ISBN: 9780387561936
Category : Isomerism
Languages : en
Pages : 172
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Book Description
Author: San-Ichiro Mizushima
Publisher: Academic Press
ISBN: 1483194833
Category : Science
Languages : en
Pages : 255
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Book Description
Structure of Molecules and Internal Rotation reviews early studies on dihalogenoethanes. This book is organized into two parts encompassing 8 chapters that evaluate the Raman effect in ethane derivatives, the energy difference between rotational isomers, and the infrared absorption of ethane derivatives. Some of the topics covered in the book are the potential barrier to internal rotation; nature of the hindering potential; entropy difference between the rotational isomers; internal rotation in butane, pentane, and hexane; and internal rotation in long chain n-paraffins. Other chapters deal with the configuration of a polypeptide chain, as well as the sum rule and the product rule for rotational isomers. The normal vibrations of the 1,2-dihalogenoethanes are presented. The last chapters are devoted to the examination of the Raman effect, dielectric constant, and electron diffraction. The book can provide useful information to chemists, physicists, students, and researchers.
Author: Torsten Schmiermund
Publisher: Springer Nature
ISBN: 3658320354
Category : Science
Languages : en
Pages : 56
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Book Description
Conformal, diastereomers, rotamers, tautomers, anomers: The multitude of terms used in stereochemistry quickly makes this subfield of chemistry confusing. In addition, there are different nomenclatures and different forms of representation (Fischer projection, Haworth ring formula, Newman projection). This essential deals with basic static stereochemistry and gives an overview of the different isomeric forms and nomenclatures. It is thus both a help and a reference book. This Springer essential is a translation of the original German 1st edition essentials, Einführung in die Stereochemie by Torsten Schmiermund, published by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature in 2019. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation. Springer Nature works continuously to further the development of tools for the production of books and on the related technologies to support the authors.
Author: San-Ichiro Mizushima
Publisher:
ISBN: 9781483167350
Category :
Languages : en
Pages :
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Book Description
Structure of Molecules and Internal Rotation reviews early studies on dihalogenoethanes. This book is organized into two parts encompassing 8 chapters that evaluate the Raman effect in ethane derivatives, the energy difference between rotational isomers, and the infrared absorption of ethane derivatives. Some of the topics covered in the book are the potential barrier to internal rotation; nature of the hindering potential; entropy difference between the rotational isomers; internal rotation in butane, pentane, and hexane; and internal rotation in long chain n-paraffins. Other chapters deal wi ...
Author: Yu. A. Pentin
Publisher:
ISBN:
Category : Ethylene dibromide
Languages : en
Pages : 8
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Book Description
Author: John D. Roberts
Publisher:
ISBN: 9780805383218
Category : Chemistry, Organic
Languages : en
Pages : 1596
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Book Description
Introduction what is organic chemistry all about?; Structural organic chemistry the shapes of molecules functional groups; Organic nomenclature; Alkanes; Stereoisomerism of organic molecules; Bonding in organic molecules atomic-orbital models; More on nomenclature compounds other than hydrocarbons; Nucleophilic substitution and elimination reactions; Separation and purification identification of organic compounds by spectroscopic techniques; Alkenes and alkynes. Ionic and radical addition reactions; Alkenes and alkynes; Oxidation and reduction reactions; Acidity or alkynes.
Author: James E. Wollrab
Publisher: Academic Press
ISBN: 148319485X
Category : Science
Languages : en
Pages : 485
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Book Description
Physical Chemistry, A Series of Monographs: Rotational Spectra and Molecular Structure covers the energy levels and rotational transitions. This book is divided into nine chapters that evaluate the rigid asymmetric top molecules and the nuclear spin statistics for asymmetric tops. Some of the topics covered in the book are the asymmetric rotor functions; rotational transition intensities; classes of molecules; nuclear spin statistics for linear molecules and symmetric tops; and classical appearance of centrifugal and coriolis forces. Other chapters deal with the energy levels and effects of centrifugal distortion, as well as the internuclear distance and moments of inertia. The discussion then shifts to the coriolis coupling effects on rotational constants and the perturbation treatment of vibration-rotational Hamiltonian. The last chapter is devoted to the examination of origin of the quadrupole interaction. The book can provide useful information to chemists, physicists, electrical engineers, students, and researchers.
Author: John Henry Oskam
Publisher:
ISBN:
Category :
Languages : en
Pages : 394
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Book Description
Author: Mavis Redshaw
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 634
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Book Description
