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References in periodicals archive ?
Both synchrotron X-ray diffraction and ab initio calculations showed the same cause for bringing the two elements closer in radii and electronegativity, resulting in the new alloy phase.
Since Pauling first presented his electronegativity scale, others have proposed quantitative refinements of individual values or different definitions of electronegativity.
Iterative partial equalization of orbital electronegativity - a rapid access to atomic charges.
2) A fairly small atom, fluorine has very low polarizability and high electronegativity.
Because of the stability of the carbon- fluorine bond and the high electronegativity of perfluorinated alkyl acids, metabolism would not be favored; thus, perfluorohexanesulfonate (PFHS) is also not expected to be metabolized.
On the other hand, the greater electronegativity, smaller size, and coordination of the nitrate ion implies its lesser affinity to sorption (compared with phosphate on a given site) at identical concentrations to phosphate.
It is, however, complicated by the electronegativity of oxygen.
Derivatization with S-HFBPCl led to AM and/or MA derivatives that were readily ionized in the NICI ionization mode because of the electronegativity of the heptafluorobutyryl moiety (39).
Their unique combination of properties derives from the high strength of the C-F bond (116 kcal) and the high electronegativity of fluorine.
This research complements the group's investigations of the topological properties of the electron density distributions of molecules and the relationships between the topological properties and chemical concepts, such as bond order, electronegativity, hydrogen bonding and transition states.
The main presumable reason was the different property of the block-selective solvent [34], Because of the greater electronegativity of oxygen of DMF, the carbonyl (C=O) was a stronger dipole than the N-C dipole.