Unraveling the Mystery of Cu(en)2 in Chemistry

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The discussion centers around the chemical notation [Cu(en)2(H2O)2]2+, specifically clarifying what "en" represents. It is confirmed that "en" stands for ethylenediamine, which has the chemical formula C2H8N2. There is some confusion regarding the formula, with one participant mistakenly stating that ethylenediamine is C2H6N2, which is incorrect. The correct formula for ethylenediamine is reiterated as C2H8N2, also referred to as ethane-1,2-diamine. Additionally, it is noted that ethylenediamine can be used as an antidote for poisoning from heavy metals like lead. The conversation emphasizes the importance of accurate chemical nomenclature and the applications of ethylenediamine in chemistry.
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Cu(en)2 ??

I was wondering what the (en) stood for in
[Cu(en)2(H2O)2]2+
I was surfing the web and noticed that it appeared in several articles. Thanks!
 
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(en) denotes ethylene diamine, C2H8N2.
 
t!m said:
(en) denotes ethylene diamine, C2H8N2.
No, ethylene diamime is \text{C}_2\text{H}_6\text{N}_2 :wink:
(six not eight, hydrogen atoms)

C2H8N2 is ethane diamine.
 
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No, ethane-1,2-diamine, more commonly known as ethylenediamine, is \text{C}_2\text{H}_8\text{N}_2.

\text{C}_2\text{H}_6\text{N}_2 is something different.
 
While I may not know much about chemistry, 99% of the hits I got from google returned the formula- C2H8N2, thereby concurring with t!m.
 
t!m said:
No, ethane-1,2-diamine, more commonly known as ethylenediamine, is \text{C}_2\text{H}_8\text{N}_2.

\text{C}_2\text{H}_6\text{N}_2 is something different.

Ahh, so ethylenediamine is ethane-1,2-diamine...yes, in that case, it is \text{C}_2\text{H}_8\text{N}_2 :rolleyes:

(Not 1,2-diaminoethylene--i.e., that \text{C}_2\text{H}_6\text{N}_2 I mentioned before)
 
what is more important to know is that en=cure for poisonings from stuff like lead and other heavy metals.
 
H2N-CH2-CH2-NH2

and everything is clear :)
 
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