That's what we call when we have three bonding atoms and one lone pair. 这是当我们有3个成键电子,和一个孤对时这样称它。
So it looks a lot less messy if we just draw our Lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there. 这看起来整洁了不少,如果我们把氰化氢的路易斯结构画成这样的话,这样我们就有氢与碳之间的单键和碳与氮之间三键,然后还有一对孤对电子在氮这里。
So, which atom is in need of those lone pair electrons? 那么,哪个原子需要这对孤对电子呢?
So if we take a look at nitrogen here, what you'll notice is we have thre available for bonding,-and we already have our lone pair& one of our orbitals is already filled up. 如果我们看一下氮原子,我们注意到我们可以成3个键,我们已经有一个孤对-,其中的一个轨道已经被填满了。
Effect of lone electron pair on molecule configuration was analyzed, with the aim to predictmolecule configuration by knowing its lone electron pair numbers. 本文重点分析了孤对电子对分子构型的影响,从而确定分子的几何构型;
So in oxygen we have a similar situation where, in fact, we are not going to promote any of the electrons because we have two lone pair electrons no matter what we do. 在氧中,情况很类似,我们不能激发电子,因为无论如何我们都有两个孤对电子。
So how many lone pair electrons do we have? 那么我们有多少孤对电子呢?
The lone pair of electrons on the As ( HI) inhibits formation of the classic Keggin structure. 由于As(Ⅲ)具有一对孤对电子,聚合只能形成不饱和的三缺位Keggin结构AsW9O(33)~(9-)。
The influence of lone pair on bond energy cannot be an interatomic effect. 孤对电子对键能的影响不是原子间的效应。
Studies on the Effect of the Lone Pair Bond Weakening 孤对键弱化效应研究
Lone Pair, Supramolecular Interaction and Photoluminescence Studies of a Series of Lead ( II) Complexes with N-O Donor Ligands 含氮、氧多齿配体铅配合物孤对电子与超分子作用的协同行为以及荧光性质的初步研究
The IR analysis shows that the oxygen in carbonyl group of CH_ ( 3) COO in PVAc chain unit provides lone pair electron to form the coordinate bond with metal copper ion Cu ( II). IR分析表明:PVAc-Cu(Ⅱ)配合物中PVAc链节中的CH3COO&中的羰基氧提供孤对电子与金属离子Cu(Ⅱ)形成配位键。
Effect of lone electron pair on bond angle was also introduced and discussed here. 另外还介绍孤对电子对分子键角的影响。
The charge transfer in ( NTO) 2 occurs mainly between the lone pair of O atom and the N-H antibond. (NTO)2的电荷转移主要是由于一子体系中O的孤对电子向另一子体系中最临近的N-H反键轨道转移。
Therefore, the lone pair of the pyrrolidinyl nitrogen atom has more intense conjugate interaction with the perylene. 因此,吡咯烷基氮原子上面的孤电子对和花核之间具有更加强烈的共轭相互作用。
We found: first, the direct modification of the P lone pair has little influence on the absorption and emission characteristics of the structure. 研究中发现:首先,磷杂环丁烯结构中,对于中心磷原子上孤对电子的直接修饰,对于化合物吸收和发射谱线的位置基本没有影响。
Because they have one nitrogen atom with lone pair electrons, benzimidazole compounds are endowed with capability of complex and molecular recognition and they can analogue biological molecule. 苯并咪唑具有一个含孤对电子的氮原子,从而使苯并咪唑类化合物具有很强的配位能力及分子识别能力,可以用于生物分子的模拟。