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An Analysis of Molecular Volumes From the Point of View of the Lewis-Langmuir Theory of Molecular Structure: A Dissertation (Classic Reprint) - Tapa blanda
Sinopsis
Excerpt from An Analysis of Molecular Volumes From the Point of View of the Lewis-Langmuir Theory of Molecular Structure: A Dissertation
Two facts, in particular, are brought out by the foregoing analysis. First, isosteric atoms, molecules and groups appear to have the same volume regardless of the particular kinds of atoms of which they are composed. In other words, the number and arrangement of electrons in the outer shells of atoms or groups of atoms is the predominating factor in determining their volume. Second, the volumes of other atoms, particularly of the more complex ones, are intimately related to the volumes of the rare gases.
It is realized that the possibilities of the method of treatment used in this paper are by no means exhausted and the writer expects at some future time to consider further the implications of the present work.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from An Analysis of Molecular Volumes From the Point of View of the Lewis-Langmuir Theory of Molecular Structure: A Dissertation
Two facts, in particular, are brought out by the foregoing analysis. First, isosteric atoms, molecules and groups appear to have the same volume regardless of the particular kinds of atoms of which they are composed. In other words, the number and arrangement of electrons in the outer shells of atoms or groups of atoms is the predominating factor in determining their volume. Second, the volumes of other atoms, particularly of the more complex ones, are intimately related to the volumes of the rare gases.
It is realized that the possibilities of the method of treatment used in this paper are by no means exhausted and the writer expects at some future time to consider further the implications of the present work.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from An Analysis of Molecular Volumes From the Point of View of the Lewis-Langmuir Theory of Molecular Structure: A Dissertation
The volumes of nitrogen and carbon monoxide are 174 and 178, respectively, that of the unsymmetrical carbon monoxide being slightly the greater. Taking symmetrical nitrogen to compare with the symmetrical carbon atoms of acetylene (229), it is found that one-half the difference between the volumes of the two compounds, which should equal the volume of one hydrogen atom, is again 28.
It is convenient to point out here that the volumes of carbon dioxide and nitrous oxide, which are isosteric, are 191 and 198, respectively. If nitrous oxide has the structure N = N = O, as Langmuir is inclined to think, then again the unsymmetrical isostere (N₂O) has slightly the greater volume, as found in comparing carbon monoxide and nitrogen. The lack of symmetry in both cases is in the distribution of positive charge among the nuclei of the atoms.
Elementary fluorine is isosteric with the nuclear carbon atoms of ethane. As, however, the critical constants of the former have not been determined, no comparison can be made. It will be of interest to obtain a value for two tetrahedral neon octets sharing one pair, as in ethane. This can be done by subtracting 6 X 28 for 6 hydrogens from the value for ethane (286); thus 286 - 168 = 118 for the nuclear C - C atoms.
Summary. - From the above it results that with one value (28) for hydrogen, 80 for the cubic neon structure, 144 for 2 tetrahedral neon structures sharing 2 pairs and 174 when sharing 3 pairs, the volumes of methane, ammonia, water, ethylene, acetylene, carbon monoxide, oxygen and nitrogen can be reproduced as follows.
The calculated values agree with the observed within 0.5% with the exception of that for carbon monoxide, which is about 2% too low.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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An Analysis of Molecular Volumes From the Point of View of the Lewis-Langmuir
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Paperback. Condición: New. Print on Demand. This book explores the fascinating world of molecular volumes and their relationship to the structure of atoms and molecules. The author delves into the groundbreaking Lewis-Langmuir theory of valence and atomic structure, a cornerstone of modern chemistry. The book examines how this theory explains the behavior of molecules and how their volumes can be used to predict their properties. Using the insights of this theory, the author investigates the volumes of various compounds and how they relate to the specific arrangements of electrons surrounding the atoms' nuclei. The book explores the concept of "isosteres," groups of atoms that share the same electronic structure, and their implications for molecular volume. The author examines a wide array of compounds, including methane, ammonia, water, ethylene, acetylene, nitrogen, oxygen, and various hydrocarbons, to illustrate these principles. Through detailed analysis and careful comparison of observed and calculated volumes, the author presents compelling evidence that the volume of a molecule is primarily determined by the arrangement of its electrons, not just the types of atoms present. This book offers a fresh perspective on the relationship between molecular structure and volume, revealing the underlying principles governing their behavior. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Nº de ref. del artículo: 9781332099337_0
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