Fu-Ping Huang
Nankai University
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Featured researches published by Fu-Ping Huang.
CrystEngComm | 2010
Fu-Ping Huang; Jin-Lei Tian; Gong-Jun Chen; Dong-Dong Li; Wen Gu; Xin Liu; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng
To systematically investigate the influence of the positional isomeric ligands on the structures and properties of transition metal complexes, we synthesized eight Zn(II) complexes with three positional isomeric carboxylate ligands (p-BDC, m-BDC and o-BDC) and three positional isomeric dipyridyl bridging ligands (4,4′-bpt, 3,4′-bpt and 3,3′-bpt). {[Zn2(p-BDC)2(4,4′-bpt)2]·H2O·(C2H5OH)}n (1), {[Zn(p-BDC)(3,4′-bpt)2(H2O)2]·2H2O}n (2), {[Zn(p-BDC)(3,3′-bpt)2(H2O)2]·3H2O}n (3), {[Zn2(m-BDC)2(4,4′-bpt)(H2O)3]·H2O}n (4), [Zn(m-BDC)(3,4′-bpt)]n (5), {[Zn(m-BDC)(3,3′-bpt)]·H2O}n (6), [Zn(o-BDC)(4,4′-bpt)]n (7) and [Zn2(o-BDC)2(3,4′-bpt)]n (8) (p-BDC = 1,4-benzenedicarboxylate anion, m-BDC =1,3-benzenedicarboxylate anion, o-BDC = 1,2-benzenedicarboxylate anion, 4,4′-bpt = 1H-3,5-bis(4-pyridyl)-1,2,4-triazole, 3,4′-bpt = 1H-3-(3-pyridyl)-5-(4-pyridyl)-1,2,4-triazole and 3,3′-bpt = 1H-3,5-bis(3-pyridyl)-1,2,4-triazole). Structural analysis reveals that the benzenedicarboxylate isomers display versatile coordination modes to manage the Zn(II) ions to form 1D chains (for 2–5, 7 and 8) or 2D layers (for 1 and 6), which are further extended via the isomeric bpt connectors in different directions to give rise to a variety of coordination polymers, such as 1D decorated chain, 1D ladder-like chain, 2D sql layer, 2D bilayer with 82·10 topology, 2D wave-like layer, 3D 2-fold interpenetrating porous pcu net and 3D CsCl net. These results indicate that the nature of isomeric benzenedicarboxylates and bpt ligands has an important effect on the structural topologies of such Zn(II) complexes. Moreover, the luminescent properties of the complexes have been briefly investigated.
CrystEngComm | 2013
Fu-Ping Huang; Zu-Mei Yang; Peng-Fei Yao; Qing Yu; Jin-Lei Tian; He-Dong Bian; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng
To further systematically investigate the influence of the positional isomeric ligands on the structures and properties of transition metal complexes, we synthesized six Cd(II) complexes with three positional isomeric dipyridyl ligands (4,4′-bpt, 3,4′-bpt and 3,3′-bpt) and three positional isomeric phenyl dicarboxylate anions (p-BDC, m-BDC and o-BDC), namely, [Cd3(p-BDC)3(4,4′-bpt)2(H2O)5]·H2O (1), [Cd(p-HBDC)(p-BDC)0.5(3,4′-bpt)] (2), [Cd4(p-BDC)4(3,3′-bpt)4]·9H2O (3), [Cd(m-BDC)(3,3′-bpt)(H2O)]·2H2O (4), [Cd(o-BDC)(3,3′-bpt)(H2O)]·(3,3′-bpt)·4H2O (5), [Cd(o-BDC)(3,4′-bpt)(H2O)]·H2O (6). Structural analysis reveals that 1 is composed of a three dimensional (3D) 4-connected net giving an interesting 3-fold interpenetrating architecture. 2 and 3 possess a similar two dimensional (2D) layer structures. 4 presents an infinite one dimensional (1D) tubular-like chain. 5 displays a 2D honeycomb structure consisting of a 1D metal–organic helical chain. 6 exhibits a 2D wave-like layer structure with a (44)-sql network. Structural diversities indicate that the nature of isomeric benzene–dicarboxylates and bpt ligands plays crucial roles in modulating structures of these complexes. Intermolecular forces have important effects on the formation and strengthening of the supra-molecular architecture in these complexes. Moreover, the luminescent properties of them have been briefly investigated.
Journal of Inorganic Biochemistry | 2010
Dong-Dong Li; Fu-Ping Huang; Gong-Jun Chen; Chun-Yan Gao; Jin-Lei Tian; Wen Gu; Xin Liu; Shi-Ping Yan
Four copper(II) complexes [Cu(2)(1,3-tpbd)Cl(4)].EtOH (1), {[Cu(2)(1,3-tpbd)(mu-Cl)(2)](ClO(4))(2)(H(2)O)(4.5) (NaClO(4))}(infinity) (2), [Cu(2)(1,3-tpbd)(1,10-phen)(2)(H(2)O)(2)](ClO(4))(4) (3) and [Cu(2)(1,3-tpbd)(2,2-bpy)(2)(H(2)O)(2)](ClO(4))(4) (4) (1,3-tpbd=N,N,N,N-tetrakis(2-pyridylmethyl)benzene-1,3-diamine) have been synthesized and characterized by X-ray single crystal structure analysis. Variable-temperature magnetic susceptibility studies (2-300K) indicate the existence of antiferromagnetic coupling between the copper(II) ions in complexes 2 and 3. The interactions of the four complexes with calf thymus DNA (CT-DNA) have been investigated by UV absorption, fluorescent spectroscopy, circular dichroism spectroscopy, viscosity and cyclic voltammetry, and the modes of CT-DNA binding to the complexes have been proposed. Furthermore, DNA cleavage activities by the four complexes were performed in the presence and absence of external agents, the results indicate that their cleavage activities have been promoted in the presence of external agents. Mechanism investigation shows that the four complexes could cleave DNA through both oxidative and hydrolytic processes. In the four copper(II) complexes, complex 2 showed highest cleavage activity with the pseudo-Michaelis-Menten kinetic paraments k(cat)=5.16h(-1) and K(m)=3.6x10(-5)M.
Inorganic Chemistry | 2010
Fu-Ping Huang; Jin-Lei Tian; Dong-Dong Li; Gong-Jun Chen; Wen Gu; Shi-Ping Yan; Xin Liu; Dai-Zheng Liao; Peng Cheng
A 3D nickel-organic framework formulated as {[Ni(2)(fum)(2)(bpt)(2)(H(2)O)] x 3 H(2)O}(n) (1), built from a mixed fumaric ion (fum), 1H-3,5-bis(4-pyridyl)-1,2,4-triazole (bpt), and nickel salt, has been hydrothermally synthesized and characterized. Compound 1, having a Ni-fum chain structure in which the chains are pillared by the bpt spacers in a 3D brick-wall-like architecture, exhibits canted antiferromagnetism at 5.0 K. Below this temperature, slow relaxation is observed from the alternating-current susceptibility measurements corresponding to the spin-glass-like behavior.
CrystEngComm | 2010
Fu-Ping Huang; Jin-Lei Tian; Dong-Dong Li; Gong-Jun Chen; Wen Gu; Shi-Ping Yan; Xin Liu; Dai-Zheng Liao; Peng Cheng
A novel (3,4,6)-connected 3D porous cobalt–organic framework formulated as {[Co2(Hbidc)2(bpt)2]·7H2O}n (1) (H3bidc = 1H-benzimidazole-5,6-dicarboxylic acid, bpt = 1H-3,5-bis(4-pyridyl)-1,2,4- triazole) has been hydrothermally synthesized and characterized by X-ray diffraction analysis. Compound 1, having a Co-Hbidc layer structure in which the layers are pillared by the bpt spacers in a 3D architecture, exhibits the coexistence of spin-canted weak ferromagnetism with TN = 10 K and long-range magnetic ordering.
CrystEngComm | 2012
Fu-Ping Huang; Hai-Ye Li; Qing Yu; He-Dong Bian; Jin-Lei Tian; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng
The hydrothermal reactions of a bent ligand, 1H-3,5-bis(4-pyridyl)-1,2,4-triazole (bpt), with Co/Ni(II) ions as well as a series of polycarboxylate co-ligands yielded five new coordination polymers, namely, {[Co2(fum)2(bpt)2(H2O)]·3H2O}n (1), {[Co(mal)(bpt)0.5(H2O)]·1.5H2O}n (2), {[Co2(bptc)(bpt)2(EtOH)(H2O)2]·2H2O}n (3), [Ni2(btc)(bpt)2(H2O)2]·6H2O (4), [Ni2(Hbidc)2(bpt)2]·7H2O (5) (here, H2fum = fumaric acid, H2mal = malonic acid, H4bptc = 3,3′,4,4′-benzophenone-tetracarboxylate acid, H4btc = 1,2,4,5-benzenetetracarboxylate acid, H3bidc = 1H-benzimidazole-5,6-dicarboxylic acid). These complexes exhibit different architectures and magnetic behaviors: 1 has a 3D (3,5)-connected (42·6)(42·65·83) topology, showing field-induced spin-flop transition; 2 and 3 both have a (3,4)-connected topology, exhibiting normal antiferromagnetism, with a 3D (63)(63·83) symbol for 2and a 2D (62·8)2(64·82) symbol for 3, respectively. In 4 and 5, the topological analysis results reveal that 4 can be simplified to a 3D 4-connected NbO net, while 5 is a 3D trinodal (3,4,6)-connected (63)(65·8)(612·8·102) net. Both 4 and 5 exhibit spin-canted antiferromagnetism.
CrystEngComm | 2011
Fu-Ping Huang; He-Dong Bian; Qing Yu; Jin-Lei Tian; Hong Liang; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng
Hydrothermal reactions of 1,1′-biphenyl-2,2′-dicarboxylic acid (H2dpa) with Co(II), Ni(II) Mn(II) and Zn(II) salts, and systematically varied N-donor co-ligands (positional isomeric dipyridyl bridging ligands: 4,4′-bpt, 3,4′-bpt and 3,3′-bpt), lead to the formation of a series of supramolecular complexes, namely, [Co(dpa)(4,4′-bpt)(EtOH)(H2O)] (1), [Ni(dpa)(4,4′-bpt)(H2O)2]·2.5H2O (2), [Cu(dpa)(4,4′-bpt)(H2O)]·2H2O (3), [M(dpa)(3,4′-bpt)]·H2O (M = Co for 4, Ni for 5, Mn for 6, and Zn for 7, respectively), [Zn3(OH)2(dpa)2 (3,3′-bpt)2]·2H2O (8) (where 4,4′-bpt = 1H-3,5-bis(4-pyridyl)-1,2,4-triazole, 3,4′-bpt = 1H-3-(3-pyridyl)-5-(4-pyridyl)-1,2,4-triazole and 3,3′-bpt = 1H-3,5-bis(3-pyridyl)-1,2,4-triazole). Structural analysis reveals that dpa manages the M(II) (M = Co, Ni, Mn and Zn) ions to form 1-D chains, which are further extended via the isomeric bpt connectors in different directions, to give rise to a variety of coordination polymers of 1–8. Magnetic susceptibilities of complexes 1–6 reveal the weak antiferromagnetic or ferromagnetic exchange interactions between the adjacent metal centers. Moreover, the luminescent properties of 7–8 have been briefly investigated.
RSC Advances | 2014
Fu-Ping Huang; Peng-Fei Yao; Wei Luo; Hai-Ye Li; Qing Yu; He-Dong Bian; Shi-Ping Yan
To further investigate the influence of the positional isomeric ligands on structural topologies, six new coordination polymers with three positional isomeric dipyridyl ligands (4,4′-Hbpt, 3,4′-Hbpt and 3,3′-Hbpt) and trimellitic acid (H3tm), namely, {[Zn3(tm)2(4,4′-Hbpt)2(H2O)2]·10H2O}n (1), [Zn3(tm)2(3,3′-Hbpt)2]n (2), {[Cd2(tm)(3,4′-bpt)(H2O)2]·H2O}n (3), {[Cd4(tm)2(3,3′-bpt)2(H2O)2]·3H2O}n (4), {[Co3(tm)2(3,4′-Hbpt)2(H2O)6]·2H2O}n (5), {[Ni3(tm)2(3,3′-Hbpt)4(H2O)2]·7H2O}n (6), have been synthesized under hydrothermal conditions and characterized. Structural analysis reveals that: 1 and 5 both have 3D 4-connected networks, with the (4.64.8)(42.63.8)2(44.62)2 Schlafli symbol for 1 and (42.52.72)(52.62.7.8)2(4.52.6.72)2 symbol for 5. 2 and 3 both have 3D (4,5)-connected networks, with the (34.42.52)2(42.84)(3.43.52.6.72.8)2 symbol for 2 and (34.42.52)2(42.84)(3.43.52.6.72.8)2 symbol for 3. 4 has a 3D trinodal (3,4,5)-connected net with the (3.44.53.6.7) (43.62.7)(44.62)(42.6)2(45.64.8)2 symbol. And 6 has a 2D (3,4)-connected layer with (3.62)2(3.4.62.72)2(5.63.82) symbol. These results indicate that the versatile coordination modes of tm and the isomeric nature of bpt play crucial roles in modulating structural topologies of these complexes. Moreover, the luminescent properties of 1–4 and the magnetic behavior of 5–6, have been investigated.
Crystal Growth & Design | 2010
Fu-Ping Huang; Jin-Lei Tian; Wen Gu; Xin Liu; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng
Crystal Growth & Design | 2012
Fu-Ping Huang; Qian Zhang; Qing Yu; He-Dong Bian; Hong Liang; Shi-Ping Yan; Dai-Zheng Liao; Peng Cheng