Structure of [Co(NH₃)₆]Cl₃

Coordination Complex:
- The coordination complex [Co(NH₃)₆]Cl₃ consists of a central cobalt ion (Co) surrounded by six ammonia ligands (NH₃) and three chloride ions (Cl^-).

Coordination Number:
- The coordination number of the cobalt ion in this complex is 6, as it is surrounded by six ammonia ligands.

Geometry:
- The complex adopts an octahedral geometry, where the six ammonia ligands and the three chloride ions are arranged around the cobalt ion in a symmetrical manner.

Charge:
- The overall charge of the complex is neutral, as the cobalt ion has a +3 charge which is balanced by the three chloride ions with -1 charge each.

Formula:
- The formula of the complex is [Co(NH₃)₆]Cl₃, indicating the presence of six ammonia ligands and three chloride ions around the cobalt center.