Coordination Number

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Alexis Robles 2k
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Joined: Wed Sep 18, 2019 12:18 am

Coordination Number

Postby Alexis Robles 2k » Mon Dec 02, 2019 9:52 pm

The coordination number of central atom is the total number of ligands bonded to it correct?

Lara Kristine Bacasen 1L
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Joined: Sat Jul 20, 2019 12:16 am
Been upvoted: 1 time

Re: Coordination Number

Postby Lara Kristine Bacasen 1L » Mon Dec 02, 2019 10:01 pm

It's the number of points at which ligands are attached to the central atom. Remember some ligands can connect to the central atom twice (polydentate) so it's not exactly the number of ligands.

Jessica Tejero 3L
Posts: 54
Joined: Wed Sep 25, 2019 12:16 am

Re: Coordination Number

Postby Jessica Tejero 3L » Mon Dec 02, 2019 10:03 pm

The value depends on the relative sizes of the central atom and ligands and by the charge from the electronic configuration of an ion. The coordination number of an atom in a molecule or polyatomic ion is found by counting the number of atoms bound to it

Pablo 1K
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Joined: Sat Feb 02, 2019 12:15 am

Re: Coordination Number

Postby Pablo 1K » Mon Dec 02, 2019 10:04 pm

It is to the total n umber of atoms bound to it not necessarily ligands since some can bind at multiple sites.

Grecia Velasco 4D
Posts: 56
Joined: Thu Jul 11, 2019 12:17 am

Re: Coordination Number

Postby Grecia Velasco 4D » Mon Dec 02, 2019 10:12 pm

Lara Kristine Bacasen 3B wrote:It's the number of points at which ligands are attached to the central atom. Remember some ligands can connect to the central atom twice (polydentate) so it's not exactly the number of ligands.


Do the bi/tri/polydentate is how many times a single ligand can bind to a central transitional metal? Thank you!

ariaterango_1A
Posts: 57
Joined: Wed Sep 18, 2019 12:15 am

Re: Coordination Number

Postby ariaterango_1A » Mon Dec 02, 2019 10:16 pm

Yes the coordination number is determined by the # of atoms bonded directly to the central atom. If an atom is polydentate, take that into account when calculating this number. For instance if a bond is bidentate make sure to multiply that bond by 2 when calculating the coordination number.

Aprice_1J
Posts: 55
Joined: Wed Sep 18, 2019 12:16 am

Re: Coordination Number

Postby Aprice_1J » Mon Dec 02, 2019 11:51 pm

Is the coordination number the same thing as the oxidation number?

Elizabeth Harty 1A
Posts: 101
Joined: Sat Jul 20, 2019 12:16 am

Re: Coordination Number

Postby Elizabeth Harty 1A » Tue Dec 03, 2019 8:36 am



Coordination # and oxidation # aren't necessarily the same.
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Jorge Ramirez_4H
Posts: 54
Joined: Wed Nov 21, 2018 12:19 am

Re: Coordination Number

Postby Jorge Ramirez_4H » Tue Dec 03, 2019 1:14 pm

Is there an easy way of calculating oxidation numbers?

105289321
Posts: 49
Joined: Sat Sep 07, 2019 12:15 am

Re: Coordination Number

Postby 105289321 » Tue Dec 03, 2019 8:37 pm

It is just the amount of number of ligands attached to the central atom


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