Molecular Symmetry

Information resources on the symmetry in molecules.


Molecular symmetry is the description and classification of the symmetry of a molecule, using mathematical and general symmetry considerations.

Symmetry and group theory provide us with effective tools for describing the geometry of objects by describing the patterns of their structure. In chemistry allows us the concept of symmetry, to describe the chemical bond types exactly that occur between atoms or groups of atoms in molecules. Likewise, it describes the transitions between energy levels in molecular systems, which contributes to the understanding of the absorption properties of the molecules and thus their spectra, and thus it is also subject of the spectroscopy.

Here listed details handle the symmetry in chemistry, the point groups and the mathematical foundations of group theory and aspects of theoretical chemistry.

In the following list you will find online available information resources on molecular symmetry and group theory in chemistry.



Content:


Lecture Notes, Tutorials
Partial Information
Special Information
Software and Programs



Lecture Notes, Tutorials


Group Theory and Molecular Symmetry
Lecture notes - Format: PDF

Molecular Symmetry
Lecture notes - Format: PDF

Molecular Symmetry
Lecture notes. Imperial College, London - Format: PDF

Molecular Symmetry
Lecture notes - Format: PDF

Molecular Symmetry
Lecture notes - Format: PDF

Molecular Symmetry
An Interactive Guide

Molecular Symmetry
Brief introduction to molecular symmetry. Main focus: spectroscopy - Format: PDF

Molecular Symmetry
An introduction with graphs - Format: PDF

Molecular Symmetry
An introduction - Format: PDF

Molecular Symmetry Assignment
For a given molecule, follow the links and answer the questions. University of Newcastle upon Tyne, UK

Molecular Symmetry, Group Theory and Applications
Lecture notes - Format: PDF

Symmetry
Lecture notes: molecular symmetry - Format: PDF

Symmetry and Group Theory
Lecture notes - Format: PDF

Symmetry and Molecular Structures
An overview - Format: PDF

Symmetry Operations
Summary of symmetry operations, symmetry elements, and point groups - Format: PDF

Symmetry Operations
... and point groups - Format: PDF



Partial Information


Group Theory
Introduction to group theory with applications in molecular and solid state physics - Format: PDF

Group Theory and Spectroscopy
Lecture notes

Point Group Symmetry
Details of various point-group symmetries, their inter-relations and specific information regarding dipole-transition selection rules. University of Newcastle upon Tyne, UK

Point Groups
Lecture notes - Format: PDF



Special Information


Molecular symmetry effects on non-adiabatic coupling terms
and quantum reaction dynamics via conical intersections - Format: PDF



Software and Programs


3DMolSym
is an educational program designed to visualize the symmetry elements of molecules and to animate the corresponding symmetry operations in an interactive 3D environment. Molwave




Related Books and Scientific Literature: Molecular Symmetry


Book recommendation

David Willock

Molecular Symmetry

Symmetry and group theory provide us with a rigorous method for the description of the geometry of objects by describing the patterns in their structure. In chemistry it is a powerful concept that underlies many apparently disparate phenomena. Symmetry allows us to accurately describe the types of bonding that can occur between atoms or groups of atoms in molecules. It also governs the transitions that may occur between energy levels in molecular systems, leading to a predictive understanding of the absorption properties of molecules and hence their spectra.

Molecular Symmetry lays out the formal language used in the area, with illustrative examples of particular molecules throughout. It then applies the ideas of symmetry and group theory to describe molecular structure, bonding in molecules and to consider the implications in spectroscopy.

Molecular Symmetry is designed to introduce the subject by combining symmetry with spectroscopy and bonding in a clear and accessible manner. Each chapter ends with a summary of learning points, a selection of self-test questions, and suggestions for further reading. A set of appendices includes templates for paper models which will help students understand symmetry operations and cover key aspects of the material in depth.

Wiley; 2009





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Last update 30.04.2016

Keywords: Molecular Symmetry, basics, theory, application, group theory





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