Accession Number : AD0714701

Title :   The Synthesis and Characterization of Novel Compounds of Niobium with Relation to Enhancing Applications in Materials.

Descriptive Note : Final rept. 1 Oct 67-30 Jun 70,

Corporate Author : EMORY UNIV ATLANTA GA DEPT OF CHEMISTRY

Personal Author(s) : Johnson,Ronald C.

Report Date : OCT 1970

Pagination or Media Count : 51

Abstract : The object of the research program was to improve the general understanding of the chemistry of niobium and tantalum. A variety of the new compounds were synthesized and characterized. One series had the stoichiometry MX2(OCH3)2L where M was Nb or Ta, X was Cl or Br, and L was a beta-diketone or a related molecule. Another series had the stoichiometry MX(OCH3)2L2 where M was Nb or Ta, X was Cl, Br, or NCS, and L was one of several dialkyldithiocarbamates. A third series had the same stoichiometry as the second but L was one of several dialkyldithiophosphates. New compounds with these stoichiometries were also made, MOL3 and ML4Cl, where M was Nb or Ta and L was the anion of tropolone, 8-quinolinol, or benzoylphenylhydroxylamine. On the basis of the synthetic work and limited kinetic studies it has been possible to develop a better understanding as to which niobium and tantalum compounds are likely to exist and plausible routes to make them. (Author)

Descriptors :   (*NIOBIUM COMPOUNDS, *COMPLEX COMPOUNDS), (*TANTALUM COMPOUNDS, COMPLEX COMPOUNDS), SYNTHESIS(CHEMISTRY), CHLORIDES, BROMIDES, CHELATE COMPOUNDS, PHOSPHATES, SULFUR COMPOUNDS, QUINOLINOLS, INFRARED SPECTRA, NUCLEAR MAGNETIC RESONANCE, REACTION KINETICS

Subject Categories : Inorganic Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE