Diamminesilver(I) dicyanoargentate refers to the coordination complex with the formula [Ag(NH₃)₂][Ag(CN)₂]. In this complex, the silver ion is coordinated in two different ways.
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Coordination Number: The coordination number of the silver ions in this complex is 2. The first silver ion is coordinated to two ammonia (NH₃) ligands, while the second silver ion is coordinated to two cyanide (CN⁻) ligands.
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Molecular Geometry:
- For the diamminesilver(I) component ([Ag(NH₃)₂⁺]), the geometry is linear, as it is a coordination complex with a coordination number of 2.
- For the dicyanoargentate (CN) moiety ([Ag(CN)₂⁻]), the geometry is linear as well.
In summary, both parts of the complex exhibit linear geometry due to their coordination of two ligands.