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Inorganic Chemistry

Blazing goIITian

Joined:	3 Sep 2008
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27 Oct 2008 22:46:45 IST

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why BMO have less energy than ABMO?

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why BMO have less energy than ABMO?

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pk kc

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Joined: 2 May 2008

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28 Oct 2008 11:39:25 IST

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ABMO IS MORE DELOCALISED THAN BMO SO IT HAS GREATER ENERGY THAN BMO......

gaurav kumar

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Joined: 13 Oct 2008

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31 Oct 2008 22:58:07 IST

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can u explain,even i have a doubt regading this.may be bmo has more stability than abmo,but there has to be precise reason.

Himanshu

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Joined: 19 Feb 2007

Posts: 3834

31 Oct 2008 23:21:15 IST

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i think this is due to large electron density in the region between the nuclei (in BMO), as a result , repulsions b/w the nuclei is very small....but in antibonding MO , electron density is very less....so nuclei repel from each other....these repulsions are very large , so ABMO is raised with much higher energy
dats y ABMO has higher energy than BMO...

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