Space-filling model

Space-filling model

Space-filling models (also known as calotte models or CPK models [Robert B. Corey and Linus Pauling (1953): Molecular Models of Amino Acids, Peptides, and Proteins. Review of Scientific Instruments, Volume 24, Issue 8, pp. 621-627. doi|10.1063/1.1770803] by Corey, Pauling and Koltun), like ball-and-stick models, belong to the 3D or spatial molecular models, which serve to display the structure of chemical products and substances or biomolecules.

The calotte model is a further development of the ball-and-stick model, with which the configuration of molecules can be vividly presented. With it, the atoms of individual elements are represented by multicolored spherical sections. Atom size, bond angle and bond length correspond to the actual relationships. The surface usually represents the van der Waals radius of the individual atoms..

References

See also

* Van der Waals surface
* CPK coloring
* Molecular graphics
* Software for molecular modeling

External links

* [http://www.mpipks-dresden.mpg.de/mpi-doc/quantumchemistry/ChemieAlltag/page1.html More on molecular models and a couple of examples from chemistry and biology] (article is in German)


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