What is a coordinate number?

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Elizabeth Johnson 1I
Posts: 53
Joined: Wed Sep 11, 2019 12:16 am

What is a coordinate number?

Postby Elizabeth Johnson 1I » Sun Nov 24, 2019 5:22 pm

What is a coordinate number and how do we determine it?

Trent Yamamoto 2J
Posts: 111
Joined: Sat Aug 17, 2019 12:18 am

Re: What is a coordinate number?

Postby Trent Yamamoto 2J » Sun Nov 24, 2019 5:25 pm

A coordinate number represents the number of bonds with ligands attached to the central atom. For example, [Fe(CN)6]^4- has a coordination # of 6.

Jessica Chen 2C
Posts: 103
Joined: Thu Jul 11, 2019 12:17 am

Re: What is a coordinate number?

Postby Jessica Chen 2C » Sun Nov 24, 2019 5:30 pm

In the case of coordination compounds, the coordination number is simply the number of ligands attached to the central metal. We can find it by looking at the subscripts of the ligands. [Co(CN)5(OH2)] has a coordination number of 6: 5 CN + 1 OH2

Serena Siddiq 3D
Posts: 51
Joined: Fri Aug 30, 2019 12:17 am

Re: What is a coordinate number?

Postby Serena Siddiq 3D » Sun Nov 24, 2019 5:33 pm

It can also be looked at as the number of electron donor atoms (ligands) connected to the central metal cation.


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