Experimental and Theoretical Studies on the Structure and Photoluminescent Properties of New Mononuclear and Homodinuclear Europium(III) β-Diketonate Complexes

Table 2

Selected distances and angles (Å, degrees) for the mononuclear and the homodinuclear Eu³⁺ complexes.

Bond/angle	Complex 1	Bond/angle	Complex 2
Eu1-O1	2.407(3)	Eu1-O1	2.376(3)
Eu1-O2	2.390(4)	Eu1-O2	2.284(2)
Eu1-O3	2.393(4)	Eu1-O3	2.403(3)
Eu1-O4	2.396(4)	Eu1-O4	2.404(3)
Eu1-O5	2.302(3)	Eu1-O5	2.328(3)
Eu1-N1	2.641(5)	Eu1-O6	2.389(3)
Eu1-N2	2.646(5)	Eu1-N1	2.546(4)
O1-Eu1-O2	69.65(12)	Eu1-N2	2.562(3)
O3-Eu1-O4	71.13(13)	Eu2-O7	2.339(3)
N1-Eu1-N2	61.73(15)	Eu2-O8	2.354(2)
		Eu2-O9	2.208(3)
		Eu2-O10	2.359(3)
		Eu2-O11	2.293(3)
		Eu2-O12	2.356(3)
		Eu2-N3	2.621(4)
		Eu2-N4	2.594(3)
		O1-Eu1-O2	69.69(8)
		O3-Eu1-O4	70.82(10)
		N1-Eu1-N2	62.85(12)
		O7-Eu2-O8	71.62(9)
		O9-Eu2-O10	70.91(11)
		O11-Eu2-O12	70.89(8)
		N3-Eu2-N4	63.74(12)