Synthesis, Characterization, and Luminescent Properties of Polymer Complexes of Nd(III) with β-Dicarbonyl Ligands

Table 3 Electronic transitions in absorption spectra of neodymium compounds

transition	Nd(mphpd)₃, cm⁻¹	[Nd(mphpd)₃]_n, cm⁻¹	[Nd(mphpd)₃]_n⋅[VK]_m, cm⁻¹	[Nd(mphpd)₃]_n⋅[styrene]_m, cm⁻¹
⁴I_9/2 → ²P_1/2	23,255	–	23,150	23,474
⁴I_9/2 → ⁴G_9/2	19,530	19,520	19,420	19,880
⁴I_9/2 → ⁴G_7/2	19,080	19,040	18,800	–
⁴I_9/2 → ²G_7/2, ⁴G_5/2	17,215	17,150	17,070	17,240
⁴I_9/2 → ²H_11/2	15,650	15,480	15,700	15,950
⁴I_9/2 → ⁴F_9/2	14,700	14,590	14,540	14,800
⁴I_9/2 → ⁴F_7/2	13,420	13,400	13,370	13,460
⁴I_9/2 → ⁴H_9/2	12,490	12,400	12,320	12,470
⁴I_9/2 → ⁴F_3/2	11,480	11,415	11,440, 11,390	11,495