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cis-configuration
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nature : geometric isomers kind. As at double bond carbon atoms each of the two different substituents, there will be two configurations (see figure). By order of substituents rules, if a>b, c>d, prioritization of the double-substituents on the same side of Kin, said cis configuration, with Z; Otherwise, said the trans configuration, E said. The cis-isomer configuration of the physical, and chemical properties are very different. For example, from another bond plane outstretched two - (or chain) in the ipsilateral double bond plane 1,4 - cis-polybutadiene rubber (BR), on the contrary says trans - 1,4-polybutadiene is crystalline plastics.


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More Detailed Data:
1) configuration
2) ration
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