Then we're going to actually use MO theory to describe bonding within these molecules, and we'll start with homonuclear diatomic molecules.

然后我们要利用MO理论， 来描述这些分子内的成键，我们要讨论同核双原子分子。

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VB theory and molecular orbital (mo) theory are the two most influential quantum-mechanical theories of chemical structure and nature of the chemical bond nowadays.

VB理论和分子轨道(MO)理论是当今说明化学结构和化学键本质的最有影响的量子力学理论。

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Then we're going to actually use MO theory to describe bonding within these molecules, and we'll start with homonuclear diatomic molecules.

然后我们要利用MO理论,来描述这些分子内的成键，我们要讨论同核双原子分子。

麻省理工公开课 - 化学原理课程节选

So, I will point out, in terms of MO theory, because it rigorously does take into account quantum mechanics, it starts to become complicated once we go beyond diatomic molecules.

我要指出的是，对于MO理论，以为它严格的遵守量子力学，所以一旦超过双原子分子,就变得十分复杂了。

麻省理工公开课 - 化学原理课程节选

All right, so one thing that I first want to point outabout MO theory that is a big difference from Lewis structures, is that in MO theory valence electrons are de-localized over the entire molecule.

好了，对于MO理论低一点要指出的,是它和Lewis有着很大的区别，在MO理论里,价电子在整个分子里是去局域化的。

麻省理工公开课 - 化学原理课程节选

In theory, Mo Mowlam, the secretary of state for Northern Ireland, has the power to break the immediate impasse.

ECONOMIST: Will Northern Ireland��s Good Friday agreement unravel?