Crystal Structure and Thermal Behavior of Two New Supramolecular Complexes Templated with 1,2,4,5-Benzenetetracarboxylic Acid

Table 1

Crystallographic data for complexes 1 and 2.

Compound	1	2
Empirical formula	C15H19N2O9Ni	C15H16N2O9Co
Formula weight	430.03	430.25
Crystal dimensions/mm	0.14×0.12×0.08	0.15×0.10×0.10
Crystal system	Monoclinic	Monoclinic
Space group	C2/c	C2/c
a/Å	19.895 (3)	20.061 (2)
b/Å	11.2693 (19)	11.3404 (12)
c/Å	15.589 (3)	15.6579 (17)
α/°	90.00	90.00
β/°	94.829 (2)	95.449 (2)
γ/°	90.00	90.00
V/Å3	3482.6 (10)	3546.0 (7)
Z	8	8
𝜌calc /mg·m^−3	1.640	1.612
Absorption coefficient/mm^−1	1.168	1.021
F(000)	1784	2156
T/K	296 (2)	296 (2)
Reflections collected	22849	23377
Reflections unique	3340	3535
Rint	0.0537	0.0440
Parameters	289	255
Goodness-of-fit on F2	1.027	1.053
𝑅 (𝐼>2𝜎(𝐼))	0.0365	0.0440
𝑤𝑅	0.0930	0.1272
(Δρ)max (e·Å^−3)	0.410	1.093
(Δρ)min (e·Å^−3)	−0.414	−0.646