Table 1.

The parameters of crystallography and the refinement for the complex 1.

Empirical formula	C15H10N2O5Zn
Formula weight	363.62
Temperature/K	298.15
Crystal system	Trigonal
Space group	R-3
a/Å	21.236(3)
b/Å	21.236(3)
c/Å	22.3396(14)
α/°	90
β/°	90
γ/°	120
Volume/Å3	8725(3)
Z	18
ρcalcg/cm3	1.246
μ/mm−1	1.287
Data/restraints/parameters	4187/0/209
Goodness-of-fit on F2	1.035
Final R indexes [I ≥ 2σ (I)]	R1 = 0.0381, ωR2 = 0.0938
Final R indexes [all data]	R1 = 0.0586, ωR2 = 0.1019
Largest diff. peak/hole/e Å−3	0.39/-0.40
CCDC	2,010,752