How to determine coordination number

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Aj1156
Posts: 34
Joined: Fri Sep 28, 2018 12:22 am

How to determine coordination number

Postby Aj1156 » Sun Dec 02, 2018 3:42 pm

Is the coordination number equivalent to the number of ligands attached to the central metal atom?

Albert Duong 4C
Posts: 66
Joined: Fri Sep 28, 2018 12:17 am
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Re: How to determine coordination number

Postby Albert Duong 4C » Sun Dec 02, 2018 3:43 pm

Yes, it is equivalent to the number of bonds the central metal ion forms.

Madeline Motamedi 4I
Posts: 62
Joined: Fri Sep 28, 2018 12:23 am

Re: How to determine coordination number

Postby Madeline Motamedi 4I » Sun Dec 02, 2018 3:49 pm

I believe a coordination number is based on the number of regions of electron densities there are around a given central atom. So triple bonds or double bonds would count as one region of electron density and one lone pair is one region of electron density. Add the number of regions of electron densities present and you have your coordination number.

Desiree1G
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Re: How to determine coordination number

Postby Desiree1G » Sun Dec 02, 2018 3:54 pm

Coordination number I know as simply the number of bonds used to attach to all ligands.


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