geminal


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geminal

[′jem·ə·nəl]
(organic chemistry)
Referring to like atoms or groups attached to the same atom in a molecule.
References in periodicals archive ?
The possible explanation is that they react in competition to the silane by adsorbing as well at the reactive silanol groups of the silica like the geminal and isolated ones via hydrogen bonding.
Other articles cover natural orbital functional theory, geminal functional theory, linear inequalities for diagonal elements of density matrices, parameterization of the 2-RDM and entanglement, electron correlation and density matrices.
Schiff bases and geminal diamines derived from pyridoxal 5'-phosphate and diamines.
The observed regiochemistries are a result of several factors including hydrogen bonding of the solvent with the proposed perepoxide intermediates, the cis effect, the geminal effect, and formation of the thermodynamically favored conjugated product.
Szalewicz, Helium dimer potential from symmetry-adapted perturbation theory calculations using large Gaussian geminal and orbital basis sets, J.
Much class switching and some somatic mutation occur in geminal centers of lymphoid organs under the influence of various cytokines (5).
These four nitrogen-containing bisphosphonate compounds are geminal bisphosphonates with a P-C-P backbone [19].
63 (1H, br s, H-27b)], and two protons geminal to an oxygen atom [[[delta].
The geminal dimethyl groups on every other carbon of the PIB backbone cause modification in the bond angles of these chains, and allow them to pack much more closely than other saturated hydrocarbons.
17) for H4a,b and H6a,b and their geminal couplings are incorrect.
Four geminal protons of hydroxyl groups were observed at dH 4.