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Author: Subject: trimethylbromine difluoride type chemicals
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[*] posted on 26-7-2004 at 15:18
trimethylbromine difluoride type chemicals


IF5... interesting compound.
Three of the fluorines covalent, the other two ionic...?
Anyway, is it possible to have three of the fluorine atoms replaced by organic groups, giving a chemical like IF2(CH3)3 or something like it?
Or am I just making a fool of meself?
Wildest speculation I... not realy... well... ever had.




F. de Lalande and M. Prud'homme showed that a mixture of boric oxide and sodium chloride is decomposed in a stream of dry air or oxygen at a red heat with the evolution of chlorine.
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BromicAcid
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[*] posted on 26-7-2004 at 17:28


Interhalogen compounds are incredibly reactive. Reacting IF5 with most any organic compound is going to cause it to behave as a fluorinating agent generating HF gas and substituting F into the organic molecule. BTW, I believe all the bonds in iodine pentafluoride are equivalent.



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[*] posted on 27-7-2004 at 08:08
hmmmm...


Oh. Sorry about typing bromine instead of iodine.
But still. If you disregard the problem of making it, what would it be like.
I'm guessing flammable, sensetive, and a fuming toxic liquid.




F. de Lalande and M. Prud'homme showed that a mixture of boric oxide and sodium chloride is decomposed in a stream of dry air or oxygen at a red heat with the evolution of chlorine.
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[*] posted on 8-8-2004 at 17:47
Re: Halogen fluorides


What about IF7 ? It is the principal product of direct combination of iodine with a surplus of fluorine gas, and is more stable than IF5 (which disproportionates to IF7 and lower fluorides). All 7 Fs are equivalent, in a pentagonal bipyramid structure in which the Fs are alternately at the apices and in the pentagon. I think the IF6+ cation has also been isolated as salts.

ClF5 and BrF5 exist, but for steric reasons, ClF7 is unlikely ever to be made. The ClF6+ ion, isoelectronic with SF6, has been recently isolated, though. BrF7 is also unlikely for both steric reasons and the great reluctance of Br to be oxidized to the +7 state (perbromates (VII) only fairly recently have been produced).

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[*] posted on 13-8-2004 at 09:15


Mmmm...
How could one get IF6+ ions?;)




F. de Lalande and M. Prud'homme showed that a mixture of boric oxide and sodium chloride is decomposed in a stream of dry air or oxygen at a red heat with the evolution of chlorine.
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