Table 2. Experimental details.

Crystal data
Chemical formula	[Ni(C12H14O4)(C16H18N4)]
M r	547.28
Crystal system, space group	Monoclinic, C2/m
Temperature (K)	293
a, b, c (Å)	14.489 (3), 20.198 (4), 10.741 (2)
β (°)	127.46 (3)
V (Å3)	2495.2 (12)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.82
Crystal size (mm)	0.60 × 0.20 × 0.10
Data collection
Diffractometer	Rigaku Mercury CCD
Absorption correction	Multi-scan (Jacobson, 1998 ▸)
T min, T max	0.639, 0.922
No. of measured, independent and observed [I > 2σ(I)] reflections	12149, 2343, 1975
R int	0.060
(sin θ/λ)max (Å−1)	0.602
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.065, 0.148, 1.15
No. of reflections	2343
No. of parameters	174
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.39, −0.42

Computer programs: CrysAlis PRO (Rigaku OD, 2021 ▸), OLEX2.solve (Bourhis et al., 2015 ▸), SHELXL (Sheldrick, 2015 ▸) and OLEX2 (Dolomanov et al., 2009 ▸).