structural isomer


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Related to structural isomer: geometric isomer

structural isomer

n.
Any of two or more chemical compounds, such as propyl alcohol and isopropyl alcohol, having the same molecular formula but different structural formulas.

structural isomer

Molecules which are structural isomers have the same molecular formula but have different molecular structures. They may contain different functional groups.
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References in periodicals archive ?
At reflux, the major product formed was an unexpected single structural isomer.
First, the vitamin B3 was found along with its structural isomers -- related molecules that have the same chemical formula but whose atoms are attached in a different order.
Structural isomers of poly/fluorinated di-and tri-alkylated phosphate ester surfactants present in industrial blends and in microwave popcorn bags.
Dionex's reversed-phase HPLC column, the Acclaim C30, is suited for a range of separations including hydro phobic, long chain, structural isomers (carotenoids, steroids and pharmaceuticals), lipids (phospholipids, omega fatty acids and cooking oils) and hydrophilic analytes (water-soluble vitamins and organic acids).
As expected the two structural isomers having an atomic sequence HONO are more stable than the other possible tetra atomic combinations such as HOON or OONH that are far more unstable than the isomer having a central nitrogen atom.
The reagent produces a strongly basic derivative, which enhances the response of all organic acids in the positive-ion mode without any differences in fragmentation between the structural isomers MMA and SA.

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