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Química e música

EDTA Song

(baseado na música YMCA do Village People)
http://www.geocities.com/le_chatelier_uk/edta.html
Clique aqui para ouvir a música do EDTA


I

Ligands, there’s no need to feel down,
I said ligands, when you’re floating around,
You don’t have to stay there, free and unbound –
There’s no need to be uncomplexed!

Ligands, you’ve got electron pairs,
They’re not bonded - and they’re just sitting there;
A cation - if you’re willing to share –
Could accept your spare electrons!

Chorus I
You’ve got to complex like EDTA,
You’ve got to complex like EDTA;
It’s got everything to be hexadentate!
It’s got six lone pairs to donate!
You’ve got to complex like EDTA,
You’ve got to complex like EDTA!
It’s ethylene-dia-mine-tetra-acet-ate!
It’s a ligand that can chelate!

II
Ligands you might bond to class b
Metals - if you’re polarised easily
(As are sulphur, phosphorus, iodine)
And form more covalent compounds;

Ligands, if you’re hard (like fluorine)
You’re electronegative, so you’ll be
Bound to harder metals like Al (III)
With elec-tro-stat-ic bonding!

Chorus II
You’ve got to complex like EDTA,
You’ve got to complex like EDTA;
It replaces all six H2Os separately,
So the entropy must increase!
You’ve got to complex like EDTA,
You’ve got to complex like EDTA;
It’s the chelate effect! It’s a favoured process!
It’s a positive delta S!

III
Ligands can you act as a pi
Donor? They can even stabilise high
Oxidation states – they’re weak field and high
Spin – the delta value’s smaller;

But if the pi* are empty
They’re acceptors lowering t2g
And increasing the gap in energy:
The ligand field splitting’s larger!

Repeat Choruses I and II until bored

Para ouvir várias músicas sobre química acesse o site
http://www.geocities.com/le_chatelier_uk/song_index.html

OBS: EDTA é um composto químico muito conhecido.

 
 

   Para saber mais:

Poesia na tabela periódica
http://www.gluon.com.br/blog/2006/07/02/poesia-tabela/ 

Música no PI
http://www.gluon.com.br/blog/2005/08/24/musica-pi/ 


 
 

 

 
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Organizado por Luís Roberto Brudna Holzle.