Hexaammineplatinum(IV) chloride

 ( Platinum Complexes ) 

Hexaammineplatinum(IV) chloride is the chemical compound with the formula Pt(NH₃)₆Cl₄. It is the chloride salt of the metal ammine complex Pt(NH₃)₆⁴⁺. The cation features six ammonia (called ammines in coordination chemistry) attached to the platinum(IV) ion. It is a white, water soluble solid.

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Properties and structure Typical for platinum(IV) complexes, Pt(NH₃)₆⁴⁺ is diamagnetic and kinetically inert, e.g. unaffected by strong acids. The cation obeys the 18-electron rule. It is prepared by treatment of methylamine complex Pt(NH₂CH₃)₄Cl₂Cl₂ with ammonia.

L. N. Essen (1974). 9780470132463 ISBN 9780470132463

The complex Pt(NH₃)₆⁴⁺ is a rare example of a tetracationic ammine complex. Its Pt(NH₃)₅NH₂³⁺ and Pt(NH₃)₄(NH₂)₂²⁺ have been characterized.

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