Browsing by Author "OLATUNJI, SUNDAY"
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Item Synthesis, thermal properties, and biological study of metal(II) nicotinamide complexes containing fumarate dianion and fumaric acid: Crystal structure of [Ni(H2O)4(nia)2](fum)·(H2fum)(Taylor and Francis, 2017) ADEDIBU, TELLA; OWALUDE, SAMSON; MEHLANA, GIFT; OLATUNJI, SUNDAY; ADETITUN, DAVID; KOLAWOLE, OLATUNJI; NZIKAHYEL, SIMON; ALIMI, LUKMANNew divalent transition metal nicotinamide (nia) complexes containing fumarate (fum) dianion and fumaric acid (H2fum), [M(H2O)4(nia)2](fum)·(H2fum) [M = Co (1), Cu (2), and Ni (3)] have been synthesized.The compounds were characterized by elemental analyses, infrared, UV-vis, XRPD, and TGA. Structural analysis of 3 using single-crystal X-ray diffraction technique revealed that the Ni(II) ion is coordinated by four aqua and two nia ligands in an octahedral geometry. The structure of 3 is completed with fumarate (fum2−) dianion acting as a counterion while fumaric acid (H2fum) is present as a molecule of solvation. The three complexes were investigated for biological activities.