COA of Formula: C22H17N3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about Synthesis and magnetic study of μ1,1-azido-bridged dinuclear manganese(II) complexes based on tripyridyl ligands. Author is Yu, Ming-Ming; Ni, Zhong-Hai; Zhao, Chong-Chao; Cui, Ai-Li; Kou, Hui-Zhong.
Three azido-bridged MnII complexes [Mn2(N3)4(ttp)2] (1), [Mn2(N3)4(ttp-N3)2] (2) and [Mn2(N3)4(ttp-N3)2]3[MnIII(ttp-N3)(N3)3]2 (3), where ttp and ttp-N3 represent 4′-p-tolyl-2,2′:6′,2”-terpyridine and 4′-p-azidomethylphenyl-2,2′:6′,2”-terpyridine, were synthesized and characterized by single-crystal x-ray diffraction anal. and magnetic studies. The Mn ions in complexes 1 and 2 are coordinated by three N atoms of the ttp or ttp-N3 ligands, and they are connected by double end-on (EO) azide ligands; this forms a dinuclear MnII system with Mn-N-Mn bridging angles of 103.5 and 103.1°. The Br atoms of the -CH2Br ligands were replaced by azido groups during the formation of complexes 2 and 3. The structure of complex 3 comprises two structurally similar MnII dimers with double end-on bridging azide groups and one mononuclear MnIII structure. The bridging Mn-N-Mn angles in 3 are 104.2, 105.1, and 106.73°. Magnetic studies indicate intramol. ferromagnetic superexchange. The strength of ferromagnetic coupling within the Mn2 cores in 1-3 is dependent on the Mn-N-Mn bridging angles. The magnetic coupling constants for intermol. exchange are 2.46(4), 2.25(2), and 1.92(4) cm-1 for 1, 2, and 3, resp., from Hamiltonian H = -2JS1S2.
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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI