Discovering the Structure of CuSO4.5H2O, ZnSO4.7H2O, and FeSO4.7H2O: A Guide

  • Thread starter chaoseverlasting
  • Start date
In summary, the individual is seeking help in finding the molecular structure of CuSO4.5H2O, ZnSO4.7H2O, and FeSO4.7H2O. They have searched in textbooks and online but have not been able to find the desired information. They clarify that they are not looking for the crystal structure, but rather the Lewis structure. They also mention the role of solvents and ligands in determining the molecular structure. They are advised to review the rules for determining Lewis structures and to use online resources for assistance.
  • #1
chaoseverlasting
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I need to find the structure of[tex]CuSO_4.5H_2O[/tex], [tex]ZnSO_4.7H_2O[/tex] and [tex]FeSO_4.7H_2O[/tex].

Ive looked at J.D. Lee for them but can't seem to find them, maybe I am looking in the wrong place. I can't find something worthwhile on the net either. All I seem to hit are actual pictures of the salts/solutions but not the actual structure. Please help. If you can point out a link or something, Id be really greatful.
 
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  • #2
Someone...? Anyone...? Please...?
 
  • #3
Are you asking about crystal structure (face centered cubic)?

If so, try searching for X-ray crystal structure of...
 
  • #4
no... that not what I am looking for... I am looking for the molecular structure...
 
  • #5
Perhaps you are asking about the Lewis Structure?

The molecular structure in the crystal form will be presented as the X-Ray crystal structure. The molecular structure for ionic compounds is fairly meaningless in solution. The ions dissociate and are usually surrounded by solvent molecules. That fraction that is present in solution in undissociated form is actually continuously forming ions; said ions are continuously reforming undissociated species.

Different solvents or ligands may have different crystal fields and solvent shells which result in different arrangements of ligands/solvent around ions. This phenomenon gives rise to ionic species that have different spectral properties in differing solvents or with different ligands. Search on Debye Huckel Theory, Crystal Field Theory and 10DQ.
 
  • #6
Yeah, I think its the Lewis structure I am looking for. Like diborane has the sturcture with the banana bonds (3c-2e bonds).
 
  • #7
Nobody knows the molecular structure? I am not talking about the structure in solution... the anhydrous form...
 
  • #8
Review the rules for determining Lewis structures.

If you are having difficulty, google "lewis dot structures". There are useful resources that will assist you.
 

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