A New Alternative Synthesis of Salicylaldazine via Microwave Irradiation Method

Table 2

Crystal data of HLb.

Empirical formula	C16 H16 N2 O4
Formula weight	300.31
Temperature	273(2) K
Wavelength	0.71073 Å
Crystal system	Monoclinic
Space group	P 21/c
Unit cell dimensions	a = 6.7171(9) Å	α = 90°
	b = 15.947(2) Å	β = 91.201(4)°
	c = 6.8061(9) Å	γ = 90°
Volume	728.88(17) Å^3
Z	2
Density (calculated)	1.368 mg/m^3
Absorption coefficient	0.100 mm^−1
Crystal size	0.350 × 0.230 × 0.170 mm^3
Theta range for data collection	3.033 to 28.356°
Reflections collected	21681
Independent reflections	1808 [R(int) = 0.0785]
Completeness to theta = 25.242°	99.8%
Refinement method	Full-matrix least-squares on F^2
Data/restraints/parameters	1808/1/105
Goodness-of-fit on F^2	1.182
Final R indices (I > 2sigma(I))	R1 = 0.0746, wR2 = 0.1275
R indices (all data)	R1 = 0.1293, wR2 = 0.1459