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Advanced level organic chemistry PART 14.7: Structural isomers of molecular formula C6H12

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Doc Brown's Advanced Chemistry: Part 14.7

Structural chain isomers of molecular formula C6H12

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See also Examples of the effects of isomerism on the similarity or difference in the physical and chemical properties of structural isomers

and Examples of comparing the physical and chemical properties of alkene E/Z isomers

The 17 non-cyclic alkene and cycloalkane structural isomers of molecular formula C6H12 (Mr = 84)

There are carbon chain isomers and positional isomers of the C=C double bond.

There are functional group isomers of alkene/cycloalkane and E/Z isomers (cis/trans stereoisomers)

(1) hex-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b, isomers of C6H12  structural formula structure and naming (c) doc b , structural carbon chain isomers of C6H12 hexene alkenes structure and naming (c) doc b  (1-hexene)

(2) hex-2-ene, isomers of C6H12  structural formula structure and naming (c) doc b , 2-hexene has two E/Z isomers:

Z/cis- isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b , and

E/ trans-, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b

(3) 2-methylpent-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b (no E/Z isomers)

(4) 3-methylpent-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b

(no E/Z isomers but has R/S isomers, 3rd C atom is chiral))

(5) 4-methylpent-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b  (no E/Z isomers))

(6) 2-methylpent-2-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b (no E/Z isomers))

(7) 3-methylpent-2-ene, isomers of C6H12  structural formula structure and naming (c) doc b (3-methyl-2-pentene) has E/Z isomers:

 isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b, E-3-methylpent-2-ene (trans)

and   isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b Z-3-methylpent-2-ene (cis)

(8) 4-methylpent-2-ene, isomers of C6H12  structural formula structure and naming (c) doc b , has two E/Z isomers:

Z/cis- isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b, E/trans- isomers of C6H12  structural formula structure and naming (c) doc b , alkene

(9) 2,3-dimethylbut-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b , cannot exhibit E/Z isomerism

(10) 3,3-dimethylbut-1-ene, isomers of C6H12  structural formula structure and naming (c) doc b , isomers of C6H12  structural formula structure and naming (c) doc b m cannot exhibit E/Z isomerism

(11) 2,3-dimethylbut-2-ene, isomers of C6H12  structural formula structure and naming (c) doc b, isomers of C6H12  structural formula structure and naming (c) doc b , 2,3-dimethyl-2-butene, does not have E/Z isomers

chair conformation diagram of cyclohexane molecular structure advanced organic chemistry(12) cyclohexane , structural formula cyclohexane, C6H12 alkanes molecular structure naming (c) doc b, cyclohexane, C6H12 skeletal formula alkanes molecular structure naming (c) doc b (not planar!)

(13) methylcyclopentane , structural formula methylcyclopentane, C6H12 alkanes molecular structure naming (c) doc b, methylcyclopentane, C6H12 skeletal formula alkanes molecular structure naming (c) doc b  

(14) 1,1-dimethylcyclobutane , structural formula 1,1-dimethylcyclobutane, C6H12 alkanes molecular structure naming (c) doc b, 1,1-dimethylcyclobutane, C6H12 skeletal formula alkanes molecular structure naming (c) doc b

(15) 1,2-dimethylcyclobutane , structural formula 1,2-dimethylcyclobutane, C6H12 alkanes molecular structure naming (c) doc b, 1,2-dimethylcyclobutane, C6H12 displayed formula skeletal formula alkanes molecular structure naming (c) doc b  both E/Z and R/S isomers - complicated - university level

 

(16) 1,3-dimethylcyclobutane , structural formula 1,3-dimethylcyclobutane, C6H12 alkanes molecular structure naming (c) doc b, 1,3-dimethylcyclobutane, C6H12 skeletal formula alkanes molecular structure naming (c) doc b  E/Z isomers - university level

 

(17) ethylcyclobutane , structural formula ethylcyclobutane, C6H12 alkanes molecular structure naming (c) doc b, ethylcyclobutane, C6H12 skeletal formula alkanes molecular structure naming (c) doc b


Associated links

Index of sets of isomers for a given molecular formula

The molecular structure and naming of ALKANES

The molecular structure and naming of ALKENES

Index of revision notes on the chemistry of ALKANES and the petrochemical industry

INDEX of ALL revision notes on the chemistry ALKENES including reactions and polymers

Isomerism: introduction, structural isomerism - chain, positional, functional group, tautomerism

Stereoisomerism: introduction, definition, priority rules, E/Z isomerism (cis/trans isomerism)

Stereoisomerism - R/S isomerism (optical isomerism) - definition - examples explained

index for all isomerism pages

Website content Dr Phil Brown 2000+. All copyrights reserved on revision notes, images, quizzes, worksheets etc. Copying of website material is NOT permitted. Exam revision summaries & references to science course specifications are unofficial.

Keywords or phrases: how many isomers are there of molecular formula C6H12? how do you name the isomers of molecular formula C6H12? what is the molecular structure of the isomers of C6H12, what type of isomerism is exhibited by molecules of formula C6H12, how do you work out the isomers of molecular formula C6H12, what are the structural isomers of C6H12, the carbon chain isomers of C6H12 in the homologous series of alkanes, comparing the spectra of isomers of molecular formula C6H12 how many structural isomers of C6H12 can you draw? how many structural isomers does C6H12 have? what are the possible isomers of C6H12? revision notes on isomerism of C6H12 molecules E/Z isomers cis trans stereoisomers of C6H12, isomers of C6H12 of molecular mass 84

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