Research Article

Synthesis, Characterization, and Biological Activity of N′-[(Z)-(3-Methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)(phenyl)methyl]benzohydrazide and Its Co(II), Ni(II), and Cu(II) Complexes

Table 1

Selected bond lengths (Å) and bond angles (°) for HL1 (estimated standard deviations are in brackets).

Bond lengths and atomic distances (Å)
O(1)-C(8) 1.2396(9)N(3)-C(16)1.3097(11)
O(2)-C(18) 1.2655(9)N(3)-N(4)1.4003(10)
N(1)-C(7) 1.3299(10)N(4)-C(18)1.3766(10)
N(1)-N(2) 1.3820(9)N(4)-C(19)1.4140(10)
N(2)-C(8) 1.3487(10)C(1)-C(2)1.3899(13)

Bond angles (°)
C(7)-N(1)-N(2) 123.33(7)N(1)-C(7)-C(17)125.71(7)
C(8)-N(2)-N(1) 119.20(7)N(1)-C(7)-C(6)112.99(7)
C(16)-N(3)-N(4) 106.36(6)O(1)-C(8)-N(2)122.97(7)
C(18)-N(4)-N(3)112.14(6)O(1)-C(8)-C(14)122.98(7)
C(18)-N(4)-C(19)129.16(7)N(2)-C(8)-C(14)114.05(7)
N(3)-N(4)-C(19)118.67(6)O(2)-C(18)-N(4) 124.30(7)