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Topic: Why are Fluorinated molecules more volatile than there C-H homolog?  (Read 4150 times)

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Offline Mitch

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Why are Fluorinated molecules more volatile than there C-H homolog?
« on: April 02, 2006, 09:28:47 PM »
Anyone?
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Offline AWK

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Re:Why are Fluorinated molecules more volatile than there C-H homolog?
« Reply #1 on: April 03, 2006, 01:29:29 AM »
Quote from: Mitch on April 02, 2006, 09:28:47 PM
Anyone?
Do you compare, eg CH4 and CF4? (then your statement is not true)
Think about repulsion of fluorine electron pairs.
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Offline Mitch

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Re:Why are Fluorinated molecules more volatile than there C-H homolog?
« Reply #2 on: April 03, 2006, 02:06:18 AM »
I was thinking of acetylacetone versus hexafluoroacetylacetone. The repulsive electron pairs on Fluorine gives me a place to start think about it.
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Offline AWK

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Re:Why are Fluorinated molecules more volatile than there C-H homolog?
« Reply #3 on: April 03, 2006, 02:19:35 AM »
Then add O and F repulsions also.
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