valence shell electron pair 价层电子对(2) 价层互斥电子对(0)   价层电子对      On the basis of the Valence Shell electron Pair repulsion theory, we have justified bond angles in AB_(4-n) molecules depend on the bond parameter Z~(*2)/r_k of thebonding atoms A and B. Formulas for calculation of the bond angles of AX_3 and AH_(4-n) molecules of the VA、VIA group elements are proposed and extended.      本文在价层电子对互斥理论的基础上,证明了AB_(4-n)型分子键角的大小与键合原子A和B的键参数Z~(*2)/r_k有关。 导出了计算VA、VIA族元素AX_3和AH_(4-n)型分子键角的公式,并加以推广。 短句来源      On the basis of hybrid orbital theory and valence shell electron pair repulsion (VSEPR) theory that anticipate and judge the configuration of covalent polyatomic molecule or iron(not including complexes),a simple and convenient method to calculate the type of the central atomic hybrid orbital directly is deduced by the valence shell electron pairs.      根据用杂化轨道理论和价层电子对互斥理论预测和判断共价多原子分子或离子 (不包括配合物 )空间构型的原理 ,导出了一种用价层电子对数直接预测中心原子轨道杂化类型的简便方法 短句来源   相似匹配句对      Valence Shell Orbital Hybridization Theory      试论价层轨道的杂化——兼论杂化轨道理论与价层电子对互斥理论的统一 短句来源      Valence shell electronrepulsion theory and its applications      价层电子对互斥理论及应用 短句来源      Investigation of Valence-shell Excitations of Helium by Electron Impact      He原子价壳层跃迁的电子碰撞研究 短句来源      Atomic wave functions and transition characteristics for valence shell excitations      原子的价壳层激发态波函数和跃迁特性 短句来源      The Shell Of History      历史之壳 短句来源 查询“valence shell electron pair”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   valence shell electron pair The driving force behind the rules of the valence shell electron pair repulsion model 例句来源       A chief tenet of VSEPR (valence shell electron pair repulsion theory) is that very electronegative atoms or groups attached to a central atom pull electrons toward themselves. 例句来源       The structures of complex anions of Pb(II) coordination compounds (complexonates) with monoamino-, diamino-, and polyaminopolycarboxylic acids as ligands were interpreted in terms of a model of the valence shell electron pair repulsion. 例句来源       Diagram and describe the shape of a covalently bonded pure silicon molecule using the valence shell electron pair repulsion theory. 例句来源                On the basis of the Valence Shell electron Pair repulsion theory, we have justified bond angles in AB_(4-n) molecules depend on the bond parameter Z~(*2)/r_k of thebonding atoms A and B. Formulas for calculation of the bond angles of AX_3 and AH_(4-n) molecules of the VA、VIA group elements are proposed and extended.             本文在价层电子对互斥理论的基础上,证明了AB_(4-n)型分子键角的大小与键合原子A和B的键参数Z~(*2)/r_k有关。导出了计算VA、VIA族元素AX_3和AH_(4-n)型分子键角的公式,并加以推广。 文摘来源          Using a modified Gasteiger's method for calculation of atomic charges in molecules and the partial equalization of orbital electronegativity model (PEOE) the PEOE electronegati vities of bonding atoms in halides of Group V elements were calculated. A linear relation ship between molecular bond angles and the PEOE electronegativities was obtained, and the variations of the bond angles were explained in a systematic way.In this paper the quantitative aspect of the Valence-Shell #...             本文根据物理模型对Gagsteiger计算分子中原子电荷的方法加以修改后,计算了V族元素卤化物分子中原子成键时的部分均衡轨道电负性值(PEOE),并将该值与各分子键角值相关获得了定量的线性关系,求得了解析表达式。通过计算着重分析研究了V族元素卤化物分子的键角与电负性的关系,对它们的键角变化规律作出了较为系统的解释。本文揭示了VSEPR理论所具有的定量基础,并进一步预测了目前尚未能测定几何构型的一些砹化物分子的键角值。 文摘来源          In this paper, the dilemma of five-coordination in Valence-shell electron-pair repulsion ( VSEPR ) is discussed .             本文主要讨论了价电子互斥理论VSEPRT在解释五配位化合物构型时的困境。 文摘来源   << 更多相关文摘         相关查询: valence shell valence-shell valence shell electrons valence shell electron valence shell electronrepulsion valence shell electronic valence electron shell valence shell excitation valence shell electronic structure shell valence valence shell electronrepulsion theory  对查询结果不满意

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