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- adj. Not centrosymmetric
Sorry, no etymologies found.
During the 1960's, there was an intensive program in my laboratory to develop a procedure for crystal structure determination of broad applicability that would encompass noncentrosymmetric as well as centrosymmetric crystals.
During the 1960's, I collaborated with Isabella in some of her investigations and derived with her a variance formula that was the basis for applying probability measures to procedures for analyzing noncentrosymmetric crystals.
The first application of the symbolic addition procedure was published in 1963 and the first essentially equal atom noncentrosymmetric crystal structure to be solved by direct phase determination was published in 1964.
For noncentrosymmetric crystals, internal lattice relaxation must be considered for theoretical predictions of elastic properties.