trigonal pyramidal

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Ruohan Sun 3I
Posts: 19
Joined: Fri Sep 29, 2017 7:07 am

trigonal pyramidal

Postby Ruohan Sun 3I » Sun Nov 05, 2017 4:28 pm

is it that when there are three bonds and a lone pair on the central atom it forms trigonal pyramidal structure?
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Christietan3F
Posts: 18
Joined: Sat Jul 22, 2017 3:01 am

Re: trigonal pyramidal

Postby Christietan3F » Sun Nov 05, 2017 4:38 pm

Even if there are three bonds and no lone pair, it is still considered trigonal pyramidal, when we are talking about molecular geometry.
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Julie Steklof 1A
Posts: 50
Joined: Thu Jul 13, 2017 3:00 am

Re: trigonal pyramidal

Postby Julie Steklof 1A » Mon Nov 06, 2017 2:41 pm

Yes, three bonds and a lone pair of electrons on the central atom results in a trigonal pyramidal shape. However, in response to the above comment, three bonding pairs with no lone pair is trigonal planar, not trigonal pyramidal.
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Shreya Ramineni 2L
Posts: 50
Joined: Fri Sep 29, 2017 7:07 am

Re: trigonal pyramidal

Postby Shreya Ramineni 2L » Mon Nov 06, 2017 4:52 pm

Trigonal pyramidal is three bonding pairs and one lone pair.
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