Homometric Structures

In chemistry and crystallography, structures of identical atoms that are characterized by the same set of interatomic distances are defined as homometric structures. Homometric crystal structures produce identical diffraction patterns; therefore, they cannot be distinguished by a diffraction experiment.

Recently, a Monte Carlo algorithm was proposed to calculate the number of homometric structures corresponding to any given set of interatomic distances.

Famous quotes containing the word structures:

    The American who has been confined, in his own country, to the sight of buildings designed after foreign models, is surprised on entering York Minster or St. Peter’s at Rome, by the feeling that these structures are imitations also,—faint copies of an invisible archetype.
    Ralph Waldo Emerson (1803–1882)