Topic: How many isomers? - coordination complex (Read 2907 times)

alexmahone · « **on:** July 28, 2012, 07:19:20 AM »

How many isomers does diamminebromochloroplatinum(II) (square planar) have?

AWK · « **Reply #1 on:** July 28, 2012, 07:31:19 AM »

alexmahone · « **Reply #2 on:** July 28, 2012, 07:35:12 AM »

I get 3 (1 trans and 2 cis) but my book says 2. Am I correct?

Dan · « **Reply #3 on:** July 28, 2012, 08:28:17 AM »

No, I suspect your two cis complexes are the same. If you rotate them you should see they are not different.

alexmahone · « **Reply #4 on:** July 28, 2012, 08:45:33 AM »

No, I suspect your two cis complexes are the same. If you rotate them you should see they are not different.

H2N Br Br NH2

Pt Pt

H2N Cl Cl NH2

Clearly, they are non-superimposable.

Dan · « **Reply #5 on:** July 28, 2012, 08:56:48 AM »

They are superimposable:

alexmahone · « **Reply #6 on:** July 28, 2012, 08:59:26 AM »

They are superimposable:

Thanks!