標題: Titlebook: Elements of Quantum Chemistry; Rudolf Zahradník,Rudolf Polák Book 1980 Rudolf Zahradník, Rudolf Polák 1980 bonding.chemical bond.photochem [打印本頁] 作者: 老鼠系領(lǐng)帶 時間: 2025-3-21 19:32
書目名稱Elements of Quantum Chemistry影響因子(影響力)
書目名稱Elements of Quantum Chemistry影響因子(影響力)學科排名
書目名稱Elements of Quantum Chemistry網(wǎng)絡公開度
書目名稱Elements of Quantum Chemistry網(wǎng)絡公開度學科排名
書目名稱Elements of Quantum Chemistry被引頻次
書目名稱Elements of Quantum Chemistry被引頻次學科排名
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書目名稱Elements of Quantum Chemistry年度引用學科排名
書目名稱Elements of Quantum Chemistry讀者反饋
書目名稱Elements of Quantum Chemistry讀者反饋學科排名
作者: atopic-rhinitis 時間: 2025-3-21 23:19
https://doi.org/10.1007/978-1-349-20763-3It was seen in Chapter 5 that the one-electron approximation represents a basic approach to the study of the electronic structure of atoms and molecules, either as a self-contained model or as a starting point for more accurate calculations.作者: Original 時間: 2025-3-22 00:54 作者: Oafishness 時間: 2025-3-22 08:12 作者: Crepitus 時間: 2025-3-22 12:38
Managing Creativity in Science and Hi-TechIn this chapter some magnetic properties of systems with closed electronic shells., namely, . and . of this susceptibility will be discussed very briefly. Proton behaviour under NMR conditions has already been mentioned (Section 13.2.4).作者: 管理員 時間: 2025-3-22 15:56 作者: 管理員 時間: 2025-3-22 19:19 作者: AMEND 時間: 2025-3-22 21:51 作者: 自愛 時間: 2025-3-23 01:48 作者: 大吃大喝 時間: 2025-3-23 06:31 作者: mediocrity 時間: 2025-3-23 12:47
Magnetic Properties of Molecules,In this chapter some magnetic properties of systems with closed electronic shells., namely, . and . of this susceptibility will be discussed very briefly. Proton behaviour under NMR conditions has already been mentioned (Section 13.2.4).作者: venous-leak 時間: 2025-3-23 15:43 作者: 存心 時間: 2025-3-23 19:58
978-1-4613-3923-6Rudolf Zahradník, Rudolf Polák 1980作者: DOLT 時間: 2025-3-24 01:29 作者: Coterminous 時間: 2025-3-24 03:08 作者: 同音 時間: 2025-3-24 10:25 作者: 傷心 時間: 2025-3-24 14:26 作者: 開花期女 時間: 2025-3-24 16:07
The Industrialization of Services, the fundamental quantum mechanical equation leads to a complete description of the system. As follows from the two preceding chapters, difficulties lie not in the formulation of the Schr?dinger equation, but in its solution. As even three-particle systems are not exactly solvable, problems interest作者: 赦免 時間: 2025-3-24 21:44
B. L. MacCarthy,P. G. S. A. Jayarathneor description of this symmetry, . are introduced that transform the original configuration into a physically identical configuration, while the individual points need not return to their original positions. Typical symmetry operations are:作者: corpus-callosum 時間: 2025-3-24 23:35 作者: 提名的名單 時間: 2025-3-25 04:56 作者: 壯觀的游行 時間: 2025-3-25 09:22 作者: Incompetent 時間: 2025-3-25 11:46 作者: 絕緣 時間: 2025-3-25 19:02
https://doi.org/10.1007/978-3-030-80238-7eir standard state is taken to be zero by convention. The standard state is the stable state of elements at a pressure of 101 kPa at the reaction temperature. For the formation of carbon dioxide from carbon and oxygen [Eq. (15–2)], molecular oxygen is considered to be the standard state of oxygen an作者: OASIS 時間: 2025-3-25 21:12
An Efficient Knowledge Clustering Algorithm,wever, weak and very weak interactions between systems with closed electronic shells have already been studied for more than a century. No reaction in the chemical sense occurs between these systems under “normal” laboratory conditions. The existence of the liquid state and of molecular crystals is 作者: depreciate 時間: 2025-3-26 02:08
http://image.papertrans.cn/e/image/307631.jpg作者: Osteons 時間: 2025-3-26 06:32
B. L. MacCarthy,P. G. S. A. Jayarathneor description of this symmetry, . are introduced that transform the original configuration into a physically identical configuration, while the individual points need not return to their original positions. Typical symmetry operations are:作者: 繼承人 時間: 2025-3-26 11:06 作者: 防御 時間: 2025-3-26 14:47 作者: 混亂生活 時間: 2025-3-26 18:57
Symmetry in Quantum Chemistry,or description of this symmetry, . are introduced that transform the original configuration into a physically identical configuration, while the individual points need not return to their original positions. Typical symmetry operations are:作者: 啞巴 時間: 2025-3-27 00:11
Atomic Orbitals (AO) and Molecular Orbitals (MO),ss forms a basis for the study of more complicated atoms and even for molecules. The possible modes of graphical representation of the radial and angular parts of hydrogen-type functions — the atomic orbitals — have already been described. Thus only a few remarks will be given here in this connection:作者: 意見一致 時間: 2025-3-27 03:28
Diatomic Molecules, simplest known diatomic molecule, the molecular hydrogen ion, also belongs in the first group. This system consists of two protons and one electron. The simplicity of this system makes it a suitable link between the theories of atoms and molecules (Fig. 3-4).作者: collagen 時間: 2025-3-27 07:03 作者: 貝雷帽 時間: 2025-3-27 11:23
Introduction,gher mathematics” at technical universities was the test most feared by chemistry students. However, even then some envisaged the theoretical derivation of information on the properties of molecules from knowledge of the bonding of the component atoms.作者: 壁畫 時間: 2025-3-27 15:44 作者: 靦腆 時間: 2025-3-27 18:27 作者: SEED 時間: 2025-3-27 22:13 作者: DECRY 時間: 2025-3-28 03:18
Managing Creativity in Organizationsng the limited region of application of the individual versions of the SCF method. It is evident, however, that there is a great number of problems in chemistry that can be successfully studied using simple empirical methods considering all the valence electrons or only the π electrons.作者: STENT 時間: 2025-3-28 10:17 作者: 合唱隊 時間: 2025-3-28 13:22 作者: Gullible 時間: 2025-3-28 18:31
e computer programmes. Even after World War II the rule of three was considered to be sufficient mathematical knowledge for chemists and the short course of "higher mathematics" at technical universities was the test most feared by chemistry students. However, even then some en- visaged the theoreti作者: adequate-intake 時間: 2025-3-28 20:55
Managing Complications in Glaucoma Surgerygher mathematics” at technical universities was the test most feared by chemistry students. However, even then some envisaged the theoretical derivation of information on the properties of molecules from knowledge of the bonding of the component atoms.作者: Myocarditis 時間: 2025-3-29 02:45 作者: tattle 時間: 2025-3-29 03:05
Basic Approximations in the Theory of the Chemical Bond,ing for chemists must be simplified by conversion into .. The mere fact that, as a rule, an isolated system is treated (an atom, a molecule, a solid or a system of several partial subsystems) is a kind of abstraction, as the influence of the surrounding medium, for example the influence of a solvent, is frequently ignored.作者: Innovative 時間: 2025-3-29 08:15
Many-Electron Atoms, system. The two-electron part of the operator can be simplified (cf. Section 5.5) if the .-th electron is assumed to be exposed to the effect of an averaged potential of all the remaining electrons: .. then depends only on ..:作者: formula 時間: 2025-3-29 11:26
Examples of the Study of Polyatomic Molecules,ng the limited region of application of the individual versions of the SCF method. It is evident, however, that there is a great number of problems in chemistry that can be successfully studied using simple empirical methods considering all the valence electrons or only the π electrons.作者: 不公開 時間: 2025-3-29 18:39 作者: anniversary 時間: 2025-3-29 23:34 作者: 壓迫 時間: 2025-3-30 00:52
A Brief Comment on the Development of the Theory of the Chemical Bond,bly to the rationalization of organic and inorganic chemistry (Robinson, Ingold, Arndt, Eistert). The work carried out by their predecessors (Kekulé, Cooper, Butlerov, Werner, and in spatial structure Le Bel and van’t Hoff) is of essential importance.作者: 寬宏大量 時間: 2025-3-30 07:36
Weak Interactions,ot as rapid, as the distance decreases (it is roughly proportional to its sixth power). This has important consequences: whereas repulsive forces practically cease to be effective at distances greater than the length of chemical bonds, attractive forces are not negligible even at distances of about 作者: concubine 時間: 2025-3-30 09:16 作者: 神圣將軍 時間: 2025-3-30 12:47
An Efficient Knowledge Clustering Algorithm,ot as rapid, as the distance decreases (it is roughly proportional to its sixth power). This has important consequences: whereas repulsive forces practically cease to be effective at distances greater than the length of chemical bonds, attractive forces are not negligible even at distances of about 作者: escalate 時間: 2025-3-30 20:12 作者: Aesthete 時間: 2025-3-30 20:55
A Brief Comment on the Development of the Theory of the Chemical Bond,able agreement with modern knowledge of the quantum theory of the chemical bond and with direct structural determinations using electron or neutron diffraction and .-ray analysis. Only in the theory published in 1916 by Kossel and Lewis did electrons assume a decisive role in concepts of the origin 作者: interpose 時間: 2025-3-31 02:42
,The Time-Independent Schr?dinger Equation,of physics. It is true that we can proceed from the classical law of conservation of energy and, through a number of modifications (some of them inconceivable from the point of view of classical mechanics), arrive at the Schr?dinger equation (“derive it”). However, this procedure does not possess th作者: 偏見 時間: 2025-3-31 07:16 作者: Original 時間: 2025-3-31 11:48 作者: foodstuff 時間: 2025-3-31 16:40 作者: 先驅(qū) 時間: 2025-3-31 18:37
Many-Electron Atoms,ulsion of the electrons and attraction between the nucleus and the electrons. The expression for the potential energy of the .-th electron assumes the form. where .. is the position vector of the .-th electron. It is assumed that the immobile atomic nucleus is located at the origin of the coordinate作者: Urea508 時間: 2025-3-31 22:14
