標(biāo)題: Titlebook: Unified Valence Bond Theory of Electronic Structure; Applications Nicolaos Demetrios Epiotis Textbook 1983 Springer-Verlag Berlin Heidelber [打印本頁] 作者: exterminate 時(shí)間: 2025-3-21 18:53
書目名稱Unified Valence Bond Theory of Electronic Structure影響因子(影響力)
書目名稱Unified Valence Bond Theory of Electronic Structure影響因子(影響力)學(xué)科排名
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書目名稱Unified Valence Bond Theory of Electronic Structure讀者反饋學(xué)科排名
作者: Patrimony 時(shí)間: 2025-3-21 22:08
Nicolaos Demetrios Epiotis was the selection of an optimal mix of certainty and severity of punishment. Becker suggested that society should aim to minimise the social losses arising from crime by selecting an appropriate combination of these policy weapons. The resultant socially optimal level of crime was, however, unlikel作者: 披肩 時(shí)間: 2025-3-22 04:29 作者: 密切關(guān)系 時(shí)間: 2025-3-22 05:51
Nicolaos Demetrios Epiotisoduced in some German states as early as the seventeenth century. In France, already in 1872, 69 per cent of the population of 7 years and over were literate. What has taken centuries in the West must now be accomplished in under-developed countries in decades. The task encounters formidable obstacl作者: overweight 時(shí)間: 2025-3-22 10:53
Nicolaos Demetrios Epiotis on students’ test scores. A major disadvantage of the PISA design for the analysis of school composition effects is the small students-per-school samples. Adding family background data from administrative registers for all same-aged schoolmates of the PISA students helps overcome this. To compensat作者: 材料等 時(shí)間: 2025-3-22 15:37 作者: AND 時(shí)間: 2025-3-22 19:00
Nicolaos Demetrios Epiotis We were motivated to bring this work together by the lack of a comprehensive analysis of the issues involved that was conveniently located in a single document, by the desire to focus that disparate body of research on the assessment of energy security externalities for policy purposes, and by the 作者: 2否定 時(shí)間: 2025-3-23 00:05
Nicolaos Demetrios Epiotisthen recover to once again become susceptible. This was the standard SIS model. In this chapter I study a different model of infectious disease. This model is appropriate for infectious diseases in which the individual contracting the disease becomes immune to future infections after recovery. This 作者: 駕駛 時(shí)間: 2025-3-23 04:35 作者: Psa617 時(shí)間: 2025-3-23 08:35 作者: REP 時(shí)間: 2025-3-23 11:03
Nicolaos Demetrios Epiotisre of financial reform policies in these countries; (ii) to identify a set of post-reform characteristics of financial market behavior, as well as some of the challenges and solutions for financial managers operating in deregulated financial markets; and (iii) to stress the importance of effective p作者: 失眠癥 時(shí)間: 2025-3-23 13:50 作者: Adjourn 時(shí)間: 2025-3-23 21:37
Nicolaos Demetrios Epiotisgical point of view. In contrast to other publications on the subject, this book shows the reader how fintech should be understood in relation to economics, financial theory, policy, and law. It provides introductory explanations on fintech-related concepts and instruments such as blockchains, crypt作者: mastoid-bone 時(shí)間: 2025-3-24 00:08 作者: municipality 時(shí)間: 2025-3-24 02:28 作者: syncope 時(shí)間: 2025-3-24 06:51 作者: 改變立場 時(shí)間: 2025-3-24 14:17
Nicolaos Demetrios Epiotisiocracy the surplus accrues entirely to the landowners, as rent (see for instance Marx, 1970, vol. I, p. 477; 1967, vol. II, p. 784). The net product also includes the ., which makes up the sovereign’s revenue, and the church’s . In the first part of this chapter it will be shown that rent is not th作者: Conflagration 時(shí)間: 2025-3-24 17:25
Nicolaos Demetrios Epiotisot have recommended the creation of such an award. One of his fears — that it ‘would tend to accentuate the swings of scientific fashion’ — had been assuaged by his own award (‘to one whose views are as unfashionable as mine are’) but he was troubled on a second count: ‘t is that the Nobel Prize 作者: scrape 時(shí)間: 2025-3-24 21:42 作者: 吞噬 時(shí)間: 2025-3-25 01:31 作者: induct 時(shí)間: 2025-3-25 03:33 作者: Adornment 時(shí)間: 2025-3-25 09:40 作者: 致敬 時(shí)間: 2025-3-25 11:41
Why “Effective” Bonds exist when “Real” Bonds are Absent: The Electronic Structure of the (1.1.1.) Ps SCP-MO computations by Newton and Schulman., has no bond linking the bridgehead carbons, but, nonetheless, it is comparatively very stable.. I now show that MOVB theory. easily accounts for these “strange” observations by comparing the electronic structures of the following three molecules.作者: Confirm 時(shí)間: 2025-3-25 18:09 作者: 誓言 時(shí)間: 2025-3-25 21:34
Structural Isomerism and the Electronic Basis for Ligand Segregation on C2 CoresOne of the most fascinating trends of molecular stereochemistry is the tendency of ligands to segregate into sets when attached on carbon cores. A typical example is provided by the comparison of 1,1 and cis 1,2-difluoroethylene, henceforth referred to as G and C 1,2 difluoroethylene, respectively.作者: 預(yù)兆好 時(shí)間: 2025-3-26 03:27 作者: 芳香一點(diǎn) 時(shí)間: 2025-3-26 07:37
The Explicit Theory of “Real” Electrocyclizations of Closed and Open Shell MoleculesThe purpose of this chapter is threefold:作者: dagger 時(shí)間: 2025-3-26 10:58
Frontier Configuration Theory of Spin SelectionThe spin selection problem revolves about the determination of the sign and magnitude of the energy difference between two different spin states . for a given geometry, g, and a given number of electron pairs, n. For our purposes, g can be either a Hückel AO (HAO) or M?bius AO (MAO) geometry.作者: syring 時(shí)間: 2025-3-26 14:04 作者: Euthyroid 時(shí)間: 2025-3-26 19:15
The Induced Deexcitation Model, then the Carbon Valency towards Y has more p Character than it had towards X”.. We shall refer to this as .. In recent times, this rule, in one form or another, has been applied to a variety of interesting chemical problems by many, most notably by Bent..作者: 使長胖 時(shí)間: 2025-3-27 00:04
The Molecular Orbital-Valence Bond Theory of Excited Statesel and this one, it is hoped that the reader will have no difficulty seeing that the energy ordering of . and the energy ordering of . are analogous problems which can be handled by the same MOVB concepts.作者: Ergots 時(shí)間: 2025-3-27 03:55 作者: Proclaim 時(shí)間: 2025-3-27 05:30
The “Forbidden” World of Chemistrye molecule, a transition state, or, any molecular system, in general, can be thought of as the product of a “forbidden” or “allowed” union of two component fragments with the latter mode of union being energetically more favorable than the former one.作者: BROOK 時(shí)間: 2025-3-27 12:22
The Saga of “Hypervalent” Moleculessification of molecules which contain an even number of valence electrons into four major types depending upon the presence or absence of electron pairs or holes in the core and/or ligand fragments in the . (R) Configuration Wavefunction (CW) representing the entire system.作者: 遷移 時(shí)間: 2025-3-27 14:46
Why Benzene prefers to substitute and an Olefin likes to add?ticity”, and the like. In this chapter, we suggest that, while the experimental facts are indisputable, the concepts which chemists have devised over more than a century are most likely erroneous and that benzene is pi destabilized but operationally “aromatic”.作者: 通情達(dá)理 時(shí)間: 2025-3-27 19:37
Geometric Isomerism: The Simplest Illustrator of Orbital Symmetry Control of Molecular Stereochemiston .. This is clearly revealed by the Longuet-Higgins-Abrahamson-Woodward-Hoffmann MO correlation diagrams. for con- and dis-rotatory ring closure of 1,3-butadiene. The conrotatory ring closure of 1,3-butadiene is termed a symmetry “allowed” and the disrotatory ring closure of the same molecule is termed a “forbidden” reaction.作者: 輪流 時(shí)間: 2025-3-28 00:49
The Induced Deexcitation Modely unrelated experimental observations often leads to the formulation of concepts and rules of broad applicability. One demonstration of how such a marriage of knowledge and intuition can bear offspring was given by Walsh, who, many years ago, recognized that many experimental facts, which were known作者: meditation 時(shí)間: 2025-3-28 05:45
Why do Organolithium Monomers have Strange Structures? most important findings of the imaginative computational work of Schleyer and his coworkers.. What fundamental property of lithium is primarily responsible for the unexpected geometrical preferences of perlithio hydrocarbons? Is there some way to predict the geometry of these molecules? These and r作者: LEER 時(shí)間: 2025-3-28 07:17 作者: eardrum 時(shí)間: 2025-3-28 13:12 作者: 和音 時(shí)間: 2025-3-28 14:50 作者: congenial 時(shí)間: 2025-3-28 18:45 作者: HARP 時(shí)間: 2025-3-28 22:57
Geometric Isomerism: The Simplest Illustrator of Orbital Symmetry Control of Molecular Stereochemist maintained along the reaction coordinate while in the latter case a plane of symmetry is preserved during the conversion or reactants to products. This difference with respect to the existing symmetry elements becomes responsible for a difference in the symmetry labels of reactant and product orbit作者: Gobble 時(shí)間: 2025-3-29 04:02
The Saga of “Hypervalent” Molecules In previous chapters, we have applied this brand of theory to a variety of structural problems with the aim to demonstrate its conceptual and formal advantages over previous and current qualitative theoretical approaches to bonding. We now observe that the Core-Ligand (C-L) dissection allows a clas作者: 傳染 時(shí)間: 2025-3-29 08:40 作者: 準(zhǔn)則 時(shí)間: 2025-3-29 12:29
Why Benzene prefers to substitute and an Olefin likes to add?e heat of hydrogenation of benzene is much less than the heat of hydrogenation of three cyclohexenes. and the known unwillingness of benzene to undergo addition reactions, opting for “aromatic” substitution instead. These data have prompted an on-going preoccupation with “resonance energies”, “aroma作者: 有毛就脫毛 時(shí)間: 2025-3-29 17:36
Why “Effective” Bonds exist when “Real” Bonds are Absent: The Electronic Structure of the (1.1.1.) Ps SCP-MO computations by Newton and Schulman., has no bond linking the bridgehead carbons, but, nonetheless, it is comparatively very stable.. I now show that MOVB theory. easily accounts for these “strange” observations by comparing the electronic structures of the following three molecules.作者: RECUR 時(shí)間: 2025-3-29 22:50 作者: 全等 時(shí)間: 2025-3-30 02:38
Frontier Configurations and a New Classification of Annuleneswho seeks to unravel reaction pathways, for the quantitative theoretician who is anxious to test different computational schemes on such molecules because of the formalistic intricacies involved, and for the qualitative theoretician who seeks to understand how these species are bound. Specialists of作者: 辮子帶來幫助 時(shí)間: 2025-3-30 06:23
Textbook 1983he one on which "resonance theory" is based and this fact can be projected by a comparison of the various ways in which MOVB theory depicts a species made up of three core and two ligand MO‘s which define two subsystems containing a total of six electrons and the ways in which "resonance theory" (i.作者: BLAZE 時(shí)間: 2025-3-30 11:14
Conformational Isomerism of N2H4 and Derivatives. The Stereochemical Consequences of “Forbiddenness”n energy reduction which is a reflection of “forbiddeness” removal.. The purpose of this paper is to focus on one and only one type of system, namely, A.X. with fourteen valence electrons, in order to demonstrate how radically MOVB theory has changed our view of molecular stereochemistry.作者: 暗語 時(shí)間: 2025-3-30 14:12 作者: Dorsal 時(shí)間: 2025-3-30 18:15
Nicolaos Demetrios Epiotisthat an optimal policy would ensure that crime did not pay. In addition he suggested that the optimal fine would be achieved when fines were equated with the harm done by an offence. Section 5.2 discusses some of the main criticisms levelled at Becker’s results concerning the optimal choice of punishment.作者: 該得 時(shí)間: 2025-3-30 21:45
Nicolaos Demetrios Epiotisn. Although the methodology and assumptions of these models have been soundly criticised by a number of economists. they received wide publicity and appeared to be taken seriously by some policy-makers in a number of countries.作者: NOT 時(shí)間: 2025-3-31 02:04 作者: DALLY 時(shí)間: 2025-3-31 07:28 作者: 清楚 時(shí)間: 2025-3-31 13:13 作者: 盡管 時(shí)間: 2025-3-31 14:59 作者: inscribe 時(shí)間: 2025-3-31 19:47 作者: ascetic 時(shí)間: 2025-3-31 21:41
Nicolaos Demetrios Epiotis literacy. In mathematics, mixing students would not raise average outcomes, because the detrimental effect on students in the higher quantiles would offset positive effects on those in the lower quantiles.作者: FECT 時(shí)間: 2025-4-1 04:00
