How to determine shape of coordination compound

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Leela_Mohan3L
Posts: 44
Joined: Fri Sep 28, 2018 12:26 am

How to determine shape of coordination compound

Postby Leela_Mohan3L » Sun Dec 02, 2018 2:59 pm

Specifically, how do you determine whether the shape is tetrahedral or square planar. How do you know how many lone pairs are on the transition metal cation in the center?

Soyoung Park 1H
Posts: 30
Joined: Sat Sep 29, 2018 12:15 am

Re: How to determine shape of coordination compound

Postby Soyoung Park 1H » Sun Dec 02, 2018 3:09 pm

Tetrahedral has 4 areas of electron density while square planar has 3, and they both have 0 lone pairs.

305127455
Posts: 30
Joined: Fri Sep 28, 2018 12:16 am

Re: How to determine shape of coordination compound

Postby 305127455 » Sun Dec 02, 2018 8:13 pm

Looking at the formula and calculating bonds and valence electrons should do.

Jaedyn_Birchmier3F
Posts: 30
Joined: Fri Sep 28, 2018 12:26 am

Re: How to determine shape of coordination compound

Postby Jaedyn_Birchmier3F » Sun Dec 02, 2018 11:39 pm

Do the shapes coincide with the VSPER shapes or are they different. For example is a coordination compound with 3 bonds and one set of lone pairs a tetrahedral shape or a trigonal pyramidal shape?


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