orbital(orbital hybridization)

本文目录
orbital hybridization
更新1: so how are sigma and pi bonds form? and what does sp3
sp3d
...... hybridized mean?
The process is a purely mathematical technique
brought into operation when experimental results indicate that the bonding in pounds is not accurately reflected by the use of pure atomic orbitals. 1) Hybridization is a mising of atomic orbitals on a central atom to give a set of equivalent hybrid orbitals. 2) Only orbitals which lie closer together in energy can be used in construction of hybrid orbitals. 3) The number of hybrid orbitals always equals to the number of ponent atomic orbitals. 4) Hybrid orbitals are more effective than s/p/d in overlapping and form stronger bond. d orbitals are sometimes also involved in hybridization
in the case when a period 3 or above element is the central atom (since elements in period 2 or below do not have low-lying d orbitals for hybridization. As a result
it is impossible for an element in period 2 or below to expand its octet.) Say for example for PCl5
P is the central atom of the molecule and it forms 5 sigma bonds with 5 chlorine atoms
and hence 5 hybrid orbitals are needed in which the hybridization of P is sp3d.
参考: My chemical knowledge
Bonds are formed when electrons are sharing (basically speaking). Orbital hybridisation is the so-called mixing of of different orbitals to form bonds and these are mathematical solutions which only a physical chemist can truely understand (I’m only an anic chemist
I can only remember what I learnt in undergrad. years!) You need to be familiarised with all the orbitals first before going any further: s-orbital
p-orbital
d-orbital and f-orbital A molecule is what they look like (ie. 3D molecules) is all because of the mixing of these 3D orbitals. Much like x
y
z axes. sp3
sp3d and all that are one step further in the discussion - these are to do with LUMO and HOMO (ie. bonding
non-bonding and anti-bonding orbitals)
mainly to do with electrons excitation into a different orbital due to the amount of energy put into the system. It’s very hard to explain and understand without those basic concepts. Maybe read up a bit on those and then e back for more discussions. Hope that helps.
参考: Me
orbital可数吗
orbital不可数。
汉语翻译:
a.轨道的,眼眶的
【化】轨道
【医】眶的
双语例句:
1.Thecombinations,andmovements,ofthesemasseswithgravitational,centrifugalandorbitalvelocityvectorforces,createwhatwecalltheequatorialbulge,andthus,theaxisoffigure.
具有重力,离心力和轨道速度的矢量力的质量结合与运动,引起了我们所谓的赤道区鼓起,而就是形状轴。
2.AIM:Toreportacaseofleftorbitalabscessresultedfromfrontalsinusmucocele.
目的:报告1例继发于前额粘液囊肿的左眼眶脓肿患者。
3.Furthermore,theorbitalstabilityofthestandingwavesisalsoobtained.
进一步,证明了其所有驻波是轨道稳定的。
orbital electron是什么意思
中文翻译
轨道电子
轨域电子
orbital: adj. 1.【解剖学】眼窝的。 2.【天文学】轨道的。 ...
electron: n. 【物理学】电子。 the electron bea ...
例句与用法
1. Their energy is high enough to remove orbital electrons from atoms , thus giving rise to positively charged ions and negatively charged electrons
它们的高能量可把其他原子内的电子撞出原子之外,产生带正电荷的离子及带负电荷的电子。
2. Their energy is high enough to remove orbital electrons from atoms , thus giving rise to positively charged ions and negatively charged electrons
它们的高能量可把其他原子内的电子撞出原子之外,产生带正电荷的离子及带负电荷的电子。
orbit和orbital有什么区别从化学方面来讲
在化学中,orbit可能只取其动词义,意思是绕轨道飞行。而orbital意为电子轨道,名词性。
orbit是经典力学上的轨道 orbital是量子力学上的轨道函数

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