What does (en) mean in a chemical formula/ligands

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The discussion clarifies that (en) in the chemical formula [Pt(en)3](ClO4)4 refers to ethylenediamine, which is a bidentate ligand. Participants confirm that ethylenediamine can coordinate with the metal center at two sites. The perchlorate ion serves as a non-coordinating anion to balance the charge of the platinum complex. The coordination number of the platinum complex is determined based on the number of bidentate ligands present. Understanding these components is essential for solving the coordination chemistry problem.
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Homework Statement


What is the coordination number of [Pt(en)3](ClO4)4

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The Attempt at a Solution



I know the method to solve this one, I just have no idea what (en) is and if it is bidentate or polydentate (I've already tried monodentate and it was incorrect). Even the name of (en) would be fantastic!
Thanks :)
 
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Most likely ethylenediamine.
 
Thanks so much :)
 
Yep. en = ethylenediamine. bidentate. Perchlorate is one of the non-coordinating anions. It is just there to balance the charge on the platinum.
 
Thank you :)
 

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