1. Structural isomers or isomer of formula up
In the isomer structure, then the difference is caused by different atomic bonding. Isomers of this structure consists of:
a. chain isomers
In the chain isomer chain C atoms of isomers composed in different ways.
b. isomers where
In this isomer the difference lies in the location of functional groups or substituents.
c. Metameri
In these isomers the differences based on differences in the location of the double bond (alkene or alkyne) or the location of the N (amine) or the location of O in esters.
d. the functional isomers
In this isomer, the difference lies in the functional group.
e. Tautomeri
Isomers of this compound occurs in 2 groups (functional group isomers) are present in equilibrium.
2. isomers of space
In the space isomer compounds having the chemical formula and the formula the same structure, but has a different spatial arrangement.
Isomers of space divided into:
a. Geometrical isomers (cis-trans isomer)
Geometrical isomers occur in compounds that have a double bond in both 2 and C atoms that have two double bonds, respectively bind two different atoms or groups.
b. optical isomers
In this isomer, isomers differ in the playing field of polarized light. Substances optical isomers only substances that have a C atom asymmetry, namely the C atom bound to four atoms or groups of different atoms.
3. Enantiomers and the diastereomeric
Based on the arrangement of the atoms in the space isomer isomers of space divided into:
a. Enantiomer, the isomers are isomers that are mirror images of one isomer to another.
b. Diastereomeric, the isomers are isomers are not mirror images of one isomer to another.
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