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Main article: conformational isomerism
A Newman projection, useful in alkane stereochemistry, visualizes chemical conformations of a carbon-carbon chemical bond from front to back, with the front carbon represented by a dot and the back carbon as a circle (see below). The front carbon atom is called proximal, while the back atom is called distal. This type of representation is useful for assessing the torsional angle between bonds.
A Sawhorse representation, on the other hand, views a carbon-carbon bond from an oblique angle. This type of representation makes it easy to visualize the molecule as a whole in 3-D.
This projection is named after Melvin Spencer Newman,an American chemist of the Ohio State University who introduced it in 1952.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Newman_projection". A list of authors is available in Wikipedia.|