need isomer tables

Oblivion · Probably a bot. Joined: 14 Mar 2005 Posts: 1

Hi there,,
Im a high school student n im in need of some help
Well, I need a table for maximum number of structural(Constitutional) isomers for different compounds..For eg: I hav one for alkanes

Number of Constitutional Isomers of Alkanes.

Carbon Atoms Number of Isomers
4............ 2
5............ 3
6............ 5
7............ 9
8............ 18
9............ 35
10.......... 75
12.......... 355
15.......... 4,347
20 366,319

I need ones like these for alkenes,Alkynes,alchohols n all other groups if possible..Thanks

john500 · Member Joined: 10 Mar 2005 Posts: 11

Good Luck. I suspect fractal theory could be used to afford some predictions. Too technical for me.

RobJim · Posted: Wed Mar 16, 2005 10:47 am Post subject:

I have no idea where to find something like that. Sorry!

Nick · Regular Joined: 06 Apr 2005 Posts: 23 Location: Spain atm

there is no "easy formula" for this problem.
has something to do with the "graphicstheory"?? or something like that

http://www.research.att.com/~njas/sequences/Seis.html