Abstract

AbstractA novel three‐dimensional (3D) lanthanide‐organic framework [Pr3(NTP)3(H2O)6]·10H2O (1), (H3NTP = 3,3′,3′‐nitrilotripropionic acid) was synthesized and characterized by elemental analyses, IR spectroscopy, and X‐ray diffraction analyses. The results show that complex 1 is connected through NTP ligands to form a 3D network with microchannels. The coordination mode of the NTP ligand was found for the first time. In order to investigate the temperature effects on controlling the dimensionality of the complexes, another two complexes, namely, [Nd(NTP)(H2O)2]·H2O·HBr (2) and [Pr(H2O)][+NH3(CH2CH2COO–)][OOCCOO]1.5 (3) were synthesized and characterized. Notably, in complex 3, the NTP ligand lost its two arms because of the high temperature. Furthermore, the thermogravimetric analyses of the three complexes are discussed in detail.

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