Interactions of Trivalent Lanthanide Cations with a New Hexadentate Di-Schiff Base: New Lanthanide(III) Complexes from (NE,N′E)-2,2′-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethylene)ethanamine)

Table 1

Crystal data and structure refinement for 4.

	[Yb(NO3)2L](NO3)⋅2MeOH
Empirical formula	C20H30N7O13Yb
Formula weight	749.55
Temperature	93(2) K
Wavelength	0.71069 Å
Crystal system, Space group	Orthorhombic, P212121
Unit cell dimensions	a = 10.668(5) Å
	b = 13.475(5) Å
	c = 19.332(5) Å
Volume	2779.0(18) Å^3
Z, Density (calc.)	4, 1.792 g/cm^3
Absorption coefficient	3.441 mm^-1
F(000)	1492
Crystal size	0.21 × 0.1 × 0.08 mm^3
Completeness to theta = 25.00°	99.6%
Reflections (collected/independent)	18754/6025 [R(int) = 0.0217]
Data/restraints/parameters	6025/0/403
Goodness-of-fit on F ^2	1.079
Final R indices [𝐼>2𝜎(𝐼)]	R 1 = 0.0193, wR 2 = 0.0434
𝑅 indices (all data)	R 1 = 0.0198, wR 2 = 0.0437
Absolute structure parameter	0.599(6)
Largest diff. peak and hole	1.778 and −0.743 eÅ^−3