A neodymium tetra(4-sulfonatophenyl)porphyrin with a flexible three-dimensional framework

Author:

Hu Rong-Hua1,Yi Cai2,Li Yao1,Zhang Zhuan-Xia1,Lin Long-Zhen1,Chen Wen-Tong13

Affiliation:

1. Institute of Applied Chemistry, School of Chemistry and Chemical Engineering, Jiangxi Province Key, Laboratory of Coordination Chemistry, Jinggangshan University, Ji’an, Jiangxi 343009, China

2. School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116000, China

3. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China

Abstract

A novel neodymium porphyrin [Nd(TPPS)][Formula: see text]•[Formula: see text]H[Formula: see text]O (1) [H[Formula: see text]TPPS [Formula: see text] tetra(4-sulfonatophenyl)porphyrin] has been prepared through a solvothermal reaction and characterized by the X-ray single-crystal diffraction technique. Complex 1is crystallized in the [Formula: see text]4/mcc space group of the tetragonal system. Complex 1 features a three-dimensional (3D) open framework with the pore size of the channels being of 6.9 [Formula: see text] × 8.2 [Formula: see text]. A wide optical band gap of 4.98 eV is revealed by the solid-state UV/vis diffuse reflectance spectrum. The variable-temperature magnetic susceptibility obeys the Curie-Weiss law ([Formula: see text]/([Formula: see text] with [Formula: see text] 0.67 K and a negative Weiss constant [Formula: see text] -0.37 K as found by the magnetic measurements, suggesting the existence of an antiferromagnetic behavior. The N[Formula: see text] adsorption and desorption curves show good reversibility and verify that the 3-D framework is flexible and can be compressed with the increasing pressure.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Chemistry

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