• And something that we'll see later on is that triple bonds, for example, are going to be stronger than a corresponding double bond or a corresponding single bond.

    而我们以后还会看到三键,举例来说,应该更强,相较于相应的双键,或者相应的单键来说。

    麻省理工公开课 - 化学原理课程节选

  • Let's re-draw this, so it looks a little bit neater, where we have a triple bond in the middle instead, and again, we need our negative 1 charge there.

    让我们重写这个,这样看起来更整洁一点,我们有一个三键在中间,同样地,我们这里需要一个负电荷。

    麻省理工公开课 - 化学原理课程节选

  • We see three bonding pairs so this is a triple bond, indeed a multiple bond.

    我们看到3对成键电子所以这是一个三重键,它确实是多重键。

    麻省理工公开课 - 固态化学导论课程节选

  • This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.

    这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想,我们只有一个选择,我们将在碳与氮之间形成一个三键。

    麻省理工公开课 - 化学原理课程节选

  • So, for example, down here I wrote that it was n 2 and that it was h 2, but when I re-wrote the molecules up here, you saw that it's an h h single bond where it's a nitrogen-nitrogen triple bond.

    比如,在这下面我写的是氮分子2,而这个是氢分子,但我在上面把这些分子的形式改写了,大家可以看到,这是一个氢与氢之间的单键,含一个氮与氮之间的三键。

    麻省理工公开课 - 化学原理课程节选

  • So, if we talked about a nitrogen-nitrogen single versus double versus triple bond, the triple bond will be the shortest and it will be the strongest.

    因此,如果我们讨论的是氮与氮之间的单键,双键与三键,那么三键应该是其中最短的一个,同时也是最强的一个。

    麻省理工公开课 - 化学原理课程节选

  • Is a hydrogen bond shorter, or is a nitrogen-nitrogen triple bond going to be shorter?

    是氢的键更短,还是氮与氮的三键更短?

    麻省理工公开课 - 化学原理课程节选

  • And then we have a triple bond there because we have 3 pairs of electrons.

    然后那里还有一个三键,因为我们有三对电子。

    麻省理工公开课 - 化学原理课程节选

  • That is a good solid triple bond.

    这是很好的固态三线态。

    麻省理工公开课 - 固态化学导论课程节选

  • So, in general what we see, and this is always true if we're comparing the same atom, and in general, if we're comparing different types of molecules, but we know that a single bond is always weaker than a double bond, which is weaker than a triple bond.

    通常我们会看到,这对比较相同原子来说总是正确的,通常,如果我们要比较不同种类的分子,但我们知道单键,总是要比双键弱,双键总是要比三键弱。

    麻省理工公开课 - 化学原理课程节选

  • So now let's think about a triple bond.

    现在我们来看看三键。

    麻省理工公开课 - 化学原理课程节选

  • N 2 So any chemist should be able to just look at n 2 and know that it's a triple bond, but that's not something that we've learned how did to do yet, so let's go ahead and start a new topic that's going to allow us to have some sort of sense of what the valence electron configuration, which includes whether something's a single or double or a triple bond can be figured out for any given molecule.

    任何一个化学家都应该能够仅仅通过看到2,就知道它有一个三键,但是我们还没学习如何做到这点,因此下面我们就开始进入一个新的主题,它将使我们能够有一定的认识,对于价电子的排布情况,包括可以对任何一个给定分子中的键是单键双键,还是三键作出判断。

    麻省理工公开课 - 化学原理课程节选

  • sigma That is one pi orbital. There is one sigma, one pi and there is a second pi, and that is how we are getting the triple bond.

    那是一个pi轨道,有一个,一个pi,还有第二个pi轨道,这就是我们如何得到三线态的。

    麻省理工公开课 - 固态化学导论课程节选

  • A triple bond, again is going to have one sigma bond on the internuclear axis.

    一个三键,同样的也有沿着核间轴sigma键。

    麻省理工公开课 - 化学原理课程节选

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定