A blue luminescent binuclear cadmium-orotate coordination polymer: synthesis, crystal structure, and thermogravimetric analysis

被引：11

作者：

Bharati, Ashok Kumar ^{[1
]}

Lama, Prem ^{[2
]}

Trojan-Piegza, Joanna ^{[3
]}

Bienko, Alina ^{[3
]}

Siddiqui, Kafeel Ahmad ^{[1
]}

机构：

[1] Natl Inst Technol Raipur, Dept Chem, Raipur, Madhya Pradesh, India

[2] Stellenbosch Univ, Dept Chem & Polymer Sci, Stellenbosch, South Africa

[3] Wroclaw Univ, Fac Chem, Wroclaw, Poland

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2017年 / 70卷 / 24期

关键词：

Cd-orotate; coordination polymer; hydrogen bonding; METAL-ORGANIC FRAMEWORKS; ZINC(II) COMPLEXES; OROTIC-ACID; MONOHYDRATE; LIGANDS;

D O I：

10.1080/00958972.2017.1417988

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Assembly of orotic acid (H-3 Or, 1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinecarboxylic) and Cd(NO3)center dot 6H(2)O yielded a coordination polymer, [(Cd(Hor)center dot 2.5H(2)O)(2)](n) (1), which has been characterized by X-ray single-crystal diffraction, TGA, and fluorescence spectra. Single-crystal X-ray structural analyses reveal that 1 is a hydrogen-bonded binuclear Cd-orotate coordination polymer in which both Cd2+ ions have different coordination environments with identical distorted octahedral geometry. Crystal data for 1: monoclinic, space group P2(1)/n, a = 7.0209(10) angstrom, b = 13.974(2) angstrom, c = 17.541(3) angstrom, beta = 98.842(2)degrees, V = 1700.5(4) angstrom, Z = 4, R1 = 0.0269, wR2 = 0.0612, theta(max) = 25.960. The emission spectrum of the Cd-complex recorded with 265 nm excitation wavelength reveals the complex has strong blue luminescence with the peak maximum 420 nm (2.95 eV) as a result of the n-pi* and pi-pi* transitions on the H-3 Or ligand. GRAPHICS

引用

页码：3959 / 3970

页数：12

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