Octahedral Complexes:-

Possibilities:-

Ma3b3 :- [Co (NH3)3 Cl3 ]

Ma2b2C2

In this case there are 5 possibilities:-

  1. All the legands are at 90°.
  2. All at 180°
  3. a – a, b, b = 90°, c – c = 180°
  4. a – a, c – c = 90, b – b = 180
  5. b – b, c – c = 90° and a – a = 180°

4. 

5.

Ma2bcde

  • M (AA)3

No geometry

e.g.:- [ G (en)3 ] Cl3

 

  • M (AA)2b2

[ Pt (en)2 Cl2 ]

  • M (AA)b4

b are fixed and

AA is at 90° and are fired

No geometry exists.

 

  • M (AA)b2 C2

[ Pt (en)Cl2 Be2 ]

Cases:-

  1. B – B = 90°                         C – C = 90°

B – B = 90°                         C – C = 180°

B – B = 180°                       C – C = 90°

  • Mabcd

No  geometry

[Zn (NH3) (H2O) (Cl) (Br)]

 

 

Related Keywords
12    PMT    Chemistry    Coordination Compounds    Octahedral complexes