其他的分子能级是怎样的，如振动，转动等等。
And also, how much different or the other molecular ene gy levels. The vibrations, rotations, and so forth.
但是还没有关于液晶分子能级和电荷密度的计算方法。
But neither can give a method for calculating the molecular energy levels and charge density of liquid crystals.
一个无限小的量，看看能得到什么，一旦我这样做，现在有多少分子能到达这个较高的能级？
An infinitesimal amount, to look at the derivative. Once I do this, how many molecules are in this higher level now?
所以能级较低的轨道叫做成键轨道，这就是成键分子轨道。
And so this lower level is called a bonding orbital, and it is a bonding molecular orbital.
我要为分子制作能级图。
只要知道分子的能级，有什么问题吗？
Knowing the energy levels of the available states of the molecules. Any questions?
每一个能级只对应，一个分子的微观状态。
Each energy level has just one microscopic state of the molecule corresponding to it.
也就是说，常温会，激发分子的一些转动能级。
In other words, ordinary thermal energies do populate some number of rotational levels of molecules.
你从直接看，能级图中会发现，分子比单个的，原子能量更低。
And what you can see directly from looking at this energy level diagram, is that the molecule that we have is now more stable in the individual atoms.
如果你提升温度，分子仍然可以，跃迁到更高的能级。
Well if you raise the temperature, there still are higher lying levels that can be populated, and that will get populated.
但是我们也可以写成对i的求和，这里i代表分子的能级。
But we also could write it as the sum over I, where this now is molecular energy levels I.
这里的这个，因为处在一个较高的能级，被叫做反键分子轨道能级。
And this one here, because it is at a higher energy is called antibonding molecular orbital.
那么第一件事，让我们估算它们的和，不是对有限能级求和，有限能级适用于，分子链中有有限数目的结构单元的情况。
So the first thing is, let's approximate that we could take the sum not to some finite level, which would be the case if there's a finite number of elements in the chain.
但是对于转动能级，分子并不总是处于最低能级。
But rotation, for sure. They're not all in the lowest level.
现在画分子振动能级，这不一定是这样，我们假设这是双原子分子。
So now I'm going to draw vibrational energy levels inside the molecule. Let's imagine, it wouldn't need to be this, ut let's imagine it's just diatomic molecules.
激活能就是使两个碰撞分子得以进行某特定的化学反应所必须具有的最低能级。
The energy of activation is the minimum energy level that two colliding molecules must possess in order to undergo a given chemical reaction.
我要说的是，在能级图的帮助下，可以解释氦气是单原子气体，而不是分子气体这一事实，那么这个呢？
I would say with the aid of an energy level diagram explain the fact that helium is found as atomic gas and not molecular. How about this one?
计算量子点分子中束缚能级之间跃迁的振子强度表明，只有成键态和相应的反键态之间跃迁才是允许的。
And the bound state with the highest energy level in the quantum-dot molecule changes gradually into a quasibound state when the electric field strength increases.
在低能量范围内，该分子可以简化为三能级体系。
薛定谔方程会告诉我们，分子中的能级。
The Schr?dinger equation will give us the energy levels in molecules.
薛定谔方程会告诉我们，分子中的能级。
The Schr? Dinger equation will give us the energy levels in molecules.
本文应用量子论讨论了双原子分子的能级，得出了在吸附中能量的变化。
Biatomic molecular energy level was discussed, and energy exchange was obtained in gas absorption.
这种光子会激发OH分子的较高振动能级。
Such photons will excite the higher vibrational levels of the OH molecule.
分析分子轨道能级与生化性质和电子光谱的关系。
The relationship between the molecular orbitals energy levels and the biochemistry properties, electron spectrum are discussed.
推导了数种分子的轨道和能级表达式，所得结果与文献报道的其他方法的结果一致。
Expressions of several kinds of molecular orbit and energy level are derived. And the results obtained here are in agreement with those obtained with other methods reported in literature concerned.
实验数据还表明：不同的分子缔合结构并不改变乙酸分子中的电子跃迁能级间隔。
The experimental data also shows that the energy gap for electron transition of acetic acid molecules does not change in various molecular associations.
通过对酒精透射光谱和吸收光谱的研究发现，其特征吸收峰随浓度不同发生漂移，从分子结构能级角度对其做了定性解释；
The transmission spectrum and the absorption spectrum of alcohol shows that the characteristic absorption peak shifts with alcoholicity due to the molecular configuration.
得到了它们的基态能量，基态自旋多重度，分子轨道组成与能级，电荷分布与键序。
The total energies, spin multiplicities, charge distribution, bond orders, the front molecular orbital compositions and orbital energies have been obtained.
讨论了在静电场作用下，双势阱分子中波函数随外加静电场定域的动态过程，以及能级裂距与外加静电场的关系。
In this paper we investigate the dynamic process of the localized wave function in double_well molecules using dc electric field and the relation between energy splitting and dc electric field.
通过实例介绍了运用HMO理论根据分子对称性获得共轭分子简并能级波函数的一种方法。
This paper introduces a new method to calculate wave function of degenerate energy lev-el for conjugated molecules by HMO theory in the light of molecular symmetry.
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