In an octahedral complex ,there are six ligands attached to the central transition metal.
Crystal field theory explains the net change in crystal energy resulting from the orientation of d orbitals of a transition metal cation inside a coordination group of anions also called ligands. A major feature of transition metal in their tendency to form complex.
Octahedral complex is more stable than tetrahedral because it is more favorable to form six bonds rather than four. The d orbital splits into two different levels. The bottom three energy levels named dxy, dyz, dxz (collectively referred as t2g) .
Transition metals are a large group of elements that include common metals like copper and chromium. They also contain elements capable of producing a magnetic field, such as nickel and iron. Because the outer electrons of transition metals can flow freely, they are excellent conductors of electricity.
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