Research Article
Synthesis, Structural Characterization, and Electrochemical Studies of New Oxovanadium(V) Complexes Derived from 2-Furanoylhydrazon Derivatives
Table 1
Crystallographic data of 1, 2 and 3.
| | | 1 | 2 | 3 |
| | Net formula | C18H17N2O6V | C14H15N2O6V | C14H14BrN2O6V | | /g mol−1 | 408.28 | 358.22 | 437.12 | | Crystal size/mm | 0.049 × 0.300 × 0.455 | 0.270 × 0.360 × 0.450 | 0.053 × 0.136 × 0.565 | | T/K | 293 K | 293 K | 293 K | | Radiation | MoKα | MoK | MoK | | Crystal system | Monoclinic | monoclinic | monoclinic | | Space group | P21/c | P21/c | P21/n | | /Å | 7.8995 (7) | 8.418 (2) | 10.6835 (3) | | /Å | 20.3400 (10) | 16.228 (3) | 7.8198 (3) | | /Å | 10.9949 (8) | 11.902 (2) | 20.1460 (6) | | 90 | 90 | 90 | | 91.577 (7) | 104.34 (2) | 104.940 (3) | | 90 | 90 | 90 | | 1765.95 (2) | 1575.2 (6) | 1626.16 | | 4 | 4 | 4 | | Calc. density/g cm−3 | 1.536 | 1.51 | 1.785 | | μ/mm−1 | 0.601 | 0.66 | 3.100 | | Absorption correction | Analytical | analytical | analytical | | Refls. measured | 7800 | 7393 | 6829 | | R
int | 0.035 | 0.031 | 0.038 | | θ range | 3.266–29.248 | 3.3913–28.9660 | 3.1354–29.2307 | | Observed refls. | 2740 | 2732 | 2402 | | Hydrogen refinement | None | none | none | | Refls in refinement | 4028 | 3602 | 3736 | | Parameters | 244 | 245 | 218 | | Restraints | 0 | 40 | 0 | | 0.0450 | 0.0519 | 0.0404 | | 0.1399 | 0.1052 | 0.1106 | | 0.9120 | 0.9714 | 0.9785 | | Shift/errormax | 0.0004097 | 0.0007320 | 0.0003961 |
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