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Isomers and isomerism in chemistry.

Isomerism is a chemical term that describes the accurance of compounds with the same kind and number of atoms in a molecule, but different arrangements of these atoms. This isomers have the same molecular formula, diffent structural formulae and different properties.

Two stereoisomeric molecules have the same constitution, ie the same structure, but differ in the spatial arrangement of individual atoms or molecular groups. For details, see also stereochemistry.

Constitution isomers differ - with the same number and type of atoms - in the order and arrangement of the particles and the bonds. Therefore there are two completely different chemical compounds.

Below you will find online available information resources about isomerism and isomers.

Content, Topics

General Information
Lecture Notes, Tutorials

General Information

Basic concepts: chirality in chemistry

An introduction

Chirality Centre
How to: identify chiral centers

Chirality Centre
Asymmetric, stereogenic or chiral center

Basic concepts: structural, geometric, optical isomerism. Understanding Chemistry, UK

What are isomers? Basic concepts. Creative Chemistry, UK

Isomerism: A general survey - Format: PDF

Lecture Notes, Tutorials

Chirality in Inorganic Chemistry
... and isomers of 4-coordinate metal ions - Format: PDF

Isomerism in complexes

Coordination complexes
Isomers of Coordination Complexes - Format: PDF

Coordination compounds
Coordination geometries and isomerism - Format: PDF

Coordination compounds
Isomerism in coordination chemistry - Format: PDF

Coordination compounds
Isomerism in coordination compounds

Chirality in organic chemistry - Format: PDF

Structural Isomers and Stereoisomers - Format: PDF

Isomers and Isomerism - Format: PDF

Isomerism and Stereochemistry
Lecture notes

Isomerism and Stereochemistry
Basic terminology - Format: PDF

Same song, different dance - Format: PDF

Lecture notes: organic chemistry

Metal complexes
Geometric isomers of metal complexes

Organic Isomerism
An overview - Format: PDF

Types of Isomerism
A brief guide to types of isomerism in organic chemistry

A computer-aides course on Molecular Symmetry and Isomerism. University of Bayreuth


Last update: 13.02.2020.

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