Heptan: Forskelle mellem versioner

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'''Heptan''' er en fællesbetegnelse for en [[alkan]] med 7 kulstofatomer.
'''Heptan''' er en fællesbetegnelse for en [[alkan]] med 7 [[kulstof]]atomer.


Der findes 9 [[isomer]]er af '''Heptan''':
Der findes 9 [[isomer]]er af '''Heptan''':
*''n''-'''Heptan''' H<sub>3</sub>C-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*''n''-Heptan
*2-Methylhexan (Isoheptan) H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2-Methylhexan
*3-Methylhexan H<sub>3</sub>C-CH<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*3-Methylhexan
*2,2-(Di)Methylpentan (Neoheptan)H<sub>3</sub>C-C(CH<sub>3</sub>)<sub>2</sub>-CH<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*2,2-Methylpentan
*2,3-(Di)Methylpentan H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>3</sub>
*2,3-Methylpentan
*2,4-(Di)Methylpentan H<sub>3</sub>C-CH(CH<sub>3</sub>)-CH<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>3</sub>
*2,4-Methylpentan
*3,3-(Di)Methylpentan H<sub>3</sub>C-CH<sub>2</sub>-C(CH<sub>3</sub>)<sub>2</sub>-CH<sub>2</sub>-CH<sub>3</sub>
*3,3-Methylpentan
*3-Ethylpentan H<sub>3</sub>C-CH<sub>2</sub>-CH(CH<sub>2</sub>CH<sub>3</sub>)-CH<sub>2</sub>-CH<sub>3</sub>
*3-Ethylpentan
*2,2,3-(Tri)Methylbutan H<sub>3</sub>C-C(CH<sub>3</sub>)<sub>2</sub>-CH(CH<sub>3</sub>)-CH<sub>3<sub>
*2,2,3-Methylbutan


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Versionen fra 13. jan. 2010, 22:11

Heptan er en fællesbetegnelse for en alkan med 7 kulstofatomer.

Der findes 9 isomerer af Heptan:

  • n-Heptan H3C-CH2-CH2-CH2-CH2-CH2-CH3
  • 2-Methylhexan (Isoheptan) H3C-CH(CH3)-CH2-CH2-CH2-CH3
  • 3-Methylhexan H3C-CH2-CH(CH3)-CH2-CH2-CH3
  • 2,2-(Di)Methylpentan (Neoheptan)H3C-C(CH3)2-CH2-CH2-CH3
  • 2,3-(Di)Methylpentan H3C-CH(CH3)-CH(CH3)-CH2-CH3
  • 2,4-(Di)Methylpentan H3C-CH(CH3)-CH2-CH(CH3)-CH3
  • 3,3-(Di)Methylpentan H3C-CH2-C(CH3)2-CH2-CH3
  • 3-Ethylpentan H3C-CH2-CH(CH2CH3)-CH2-CH3
  • 2,2,3-(Tri)Methylbutan H3C-C(CH3)2-CH(CH3)-CH3
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