2E.19 b

(Polar molecules, Non-polar molecules, etc.)

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Ryan Chang 1C
Posts: 105
Joined: Sat Aug 24, 2019 12:17 am

2E.19 b

Postby Ryan Chang 1C » Fri Nov 15, 2019 5:17 pm

Could someone explain the shape and bond angles of (CH3)2Be? I don't understand why the shape is tetrahedral about carbon atoms.

Jacob Puchalski 1G
Posts: 97
Joined: Fri Aug 09, 2019 12:16 am

Re: 2E.19 b

Postby Jacob Puchalski 1G » Fri Nov 15, 2019 5:22 pm

The Be atom is central, forming a 180 degree angle with the two bonded C atoms. But there are also three H atoms bonded to each C atom. Because of this there are four regions of e- density around the C atoms, so they are the center of a tetrahedral structure. The structure of the entire molecule is basically two tetrahedral structures with Be in the middle.

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