Bioinorganic Chemistry and Applications / 2015 / Article / Tab 5 / Research Article
Synthesis, Characterization, and Anticancer Activity of New Metal Complexes Derived from 2-Hydroxy-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide Table 5 Thermal analyses for metal complexes.
Comp. number Molecular formula Temp. (°C) DTA (peak) TGA (Wt. loss %)
Assignments Endo Exo Calc. Found (4) [(H2 L)2 Cu(OAc)2 ]·3H2 O 28 H38 N6 O15 Cu 120 Endo — 7.08 7.00 Loss of hydrated 3H2 O 160 Endo — 8.33 8.27 Loss of CH3 COOH 240 Endo — 9.09 9.02 Loss of CH3 COOH 298 Endo — — — Melting point 350 — Exo — — 395 — Exo — — 475 — Exo 13.47 13.53 Decomposition process with the formation of CuO (8) [(H2 L)Ni(SO4 )(H2 O)2 ]·H2 O 13 H22 N3 O11 SNi 92 Endo — 3.69 3.38 Loss of hydrated 1H2 O 186 Endo — 7.67 7.62 Loss of coordinated 2H2 O 275 Endo — 22.17 22.03 Loss of H2 SO4 314 Endo — — — Melting point 400 — Exo — — 420 — Exo — — 460 — Exo 22.16 22.88 Decomposition process with the formation of NiO (9) [(HL)Co(OAc)(H2 O)2 ]·3H2 O 14 H25 N3 O11 CO 79 Endo — 11.48 11.01 Loss of hydrated 3H2 O 140 Endo — 8.65 8.47 Loss of coordinated 2H2 O 170 Endo — 15.52 15.25 Loss of CH3 COOH 325 Endo — — — Melting point 400 — Exo — — 430 — Exo — — 450 — Exo 13.39 13.55 Decomposition process with the formation of CoO (11) [(HL)Mn(OAc)(H2 O)2 ]·3H2 O 14 H25 N3 O11 Mn 90 Endo — 11.58 11.86 Loss of hydrated 3H2 O 170 Endo — 8.73 8.47 Loss of coordinated 2H2 O 258 Endo — 15.65 15.69 Loss of CH3 COOH 319 Endo — — — Melting point 390 — Exo — — 413 — Exo — — 445 — Exo 12.93 12.71 Decomposition process with the formation of MnO
