A dimeric luminescent lanthanide complex [Eu(PAA)_2(phen)(NO_3)]_2: hydrothermal synthesis, crystal structure and fluorescence

摘要

A lanthanide coordination complex [Eu(PAA)_2(phen)(NO_3)]_2 (PAA = phenylacetic acid, phen = 1,10-phenanthroline) has been synthesized by the hydrothermal method. Single crystal X-ray diffractions show that it forms a dimeric molecular structure. The title complex crystallizes in the triclinic system, space group P1, with lattice parameters a = 8.9473(8) A, b = 13.3659(12) A, c= 13.4745(12) A, alpha = 60.7590(10) deg, beta = 89.5100(10) deg, gamma = 71.9850(10) deg, V= 1317.3(2)A~3, D_c = 1.675Mgm~(-3), Z= 1, F(000) = 660, GOF= 1.003, R_1 =0.0206, wR_2 = 0.0575. The fluorescence excitation and emission spectra have been investigated.