Write IUPAC name of the complex : `[Co_3(NH_3)_5SCN]Cl`

Explanation

To write the IUPAC name of the complex `[Co_3(NH_3)_5SCN]Cl`, we can follow these steps:

### Step 1: Identify the Coordination Entity and Counter Ion
The given complex is `[Co_3(NH_3)_5SCN]Cl`. Here, the coordination entity is `Co_3(NH_3)_5SCN`, and the counter ion is `Cl`.

### Step 2: Determine the Oxidation State of the Central Metal
Let’s denote the oxidation state of cobalt as \( x \). In the coordination entity, we have:
- 3 cobalt atoms contributing \( 3x \)
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