Table 2.

Crystallographic data and structure refinement details of compound 1.

Compound	1
Formula	C10H10Cu1.50NO5
Formula weight	319.50
Temperature/K	150 (2)
Crystal system	Monoclinic
Space group	C2/c
a/Å	20.2893 (16)
b/Å	8.6194 (7)
c/Å	16.7337 (11)
α/º	90.0
β/º	126.632 (2)
γ/º	90.0
Volume/Å3	2348.4 (3)
Z	8
µ(Mo Kα)/mm−1	2.75
Crystal type	Red plate
Crystal size/mm	0.16 × 0.14 × 0.06
θ range (°)	3.42–25.35
Index ranges	−24 ≤ h ≤ 22 −10 ≤ k ≤ 10 −20 ≤ l ≤ 20
Collected Reflections	17154
Independent Reflections	2141 (Rint = 0.023)
Completeness to θ = 25.24	99.6%
Final R indices [I > 2σ(I)]	R1 = 0.0354 wR2 = 0.0964
Final R indices (all data)	R1 = 0.0386 wR2 = 0.0984
Largest diff. peak and hole /eÅ−3	0.66 and −0.99

^a$R1={\displaystyle \sum }|\left|F_o\right|-\left|F_c\right||/{\displaystyle \sum }\left|F_o\right|$, ^b$wR2=\sqrt{{\displaystyle \sum }\left[w{\left(F_o^2-F_c^2\right)}^2\right]/{\displaystyle \sum }\left[w{\left(F_o^2\right)}^2\right]}$, ^c$w=1/\left[{\sigma }^2\left(F_o^2\right)+{\left(mP\right)}^2+nP\right]$ where $P=\left(F_o^2+2F_c^2\right)/3$.