Isomerization in Coordination Compounds Do for octahedral Complexes.

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Presentation transcript:

Isomerization in Coordination Compounds Do for octahedral Complexes

Inner and Outer Spheres CrCl 3 (H 2 O) 3  2 H 2 O[CrCl 2 (H 2 O) 4 ]Cl  H 2 O

All compounds Structural (constitutional) Stereo linkage ionization hydration geometric optical [Co(NH 3 ) 5 Cl]NO 2 [Co(NH 3 ) 5 NO 2 ]Cl [Co(NH 3 ) 4 Cl(H 2 O)]Cl 2 [Co(NH 3 ) 4 Cl 2 ]Cl  H 2 O [Co(NH 3 ) 5 SCN] 2+ [Co(NH 3 ) 5 NCS] 2+

Optical Isomers: enantiomers (mirror images) key to recognizing: no mirror planes of symmetry Type 1. arrangement of monodentate ligands Type 2. arrangement of bidentate ligands

Geometric Isomers: like cis-trans Use M = metal a, b, c, etc. are different ligands Example 1: Co(NH 3 ) 4 Cl 2