A5076643284- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Metal-Organic Frameworks: Synthesis and Applications
- Magnetism in coordination complexes
- Crystallography and molecular interactions
- Metal complexes synthesis and properties
- Crystal structures of chemical compounds
- Advanced Photocatalysis Techniques
- Anaerobic Digestion and Biogas Production
- Polyoxometalates: Synthesis and Applications
- Nonlinear Optical Materials Research
- Lanthanide and Transition Metal Complexes
- Organometallic Compounds Synthesis and Characterization
- Covalent Organic Framework Applications
- Biofuel production and bioconversion
- Molecular Sensors and Ion Detection
- Chemical Synthesis and Characterization
- Ferrocene Chemistry and Applications
- Supramolecular Chemistry and Complexes
- Metalloenzymes and iron-sulfur proteins
- Copper-based nanomaterials and applications
- Nanocluster Synthesis and Applications
- Porphyrin and Phthalocyanine Chemistry
- Nonlinear Optical Materials Studies
- Electrocatalysts for Energy Conversion
Zhengzhou University
2014-2024
Luoyang Institute of Science and Technology
2012
Luoyang Normal University
2008-2012
Beijing Forestry University
2011
Beijing Municipal Ecological and Environmental Monitoring Center
2010
Northwest University
2008
Henan University of Urban Construction
2008
University of Malaya
2007
Heilongjiang Institute of Technology
2002-2004
Harbin Institute of Technology
2002-2004
Four novel cadmium−btx (btx = 1,4-bis(triazol-1-ylmethyl)benzene) coordination polymers [Cd(btx)2(NO3)2]n (1), [Cd(btx)2Cl2]n (2), [Cd(btx)(SO4)(H2O)2]n (3), and [Cd(btx)(S2O7)(H2O)]n (4) have been prepared by hydrothermal reaction (140 or 180 °C) characterized. Both 1 2 two-dimensional rhombohedral grid structures, 3 possesses a rectangular structure, 4 displays three-dimensional framework, which is formed btx bridging parallel layers. To the author's best knowledge, polymer first Cd(II) in...
Three novel coordination polymers [Pb(bbbm)(2)(NO(3))(2)](n) (bbbm = 1,1'-(1,4-butanediyl)bis-1H-benzimidazole) 1, [Zn(bbbt)(NCS)(2)](n) (bbbt 1,1'-(1,4-butanediyl)bis-1H-benzotriazole) 2, and [Zn(pbbt)(NCS)(2)](n) (pbbt 1,1'-(1,3-propylene)bis-1H-benzotriazole) 3 were synthesized structurally characterized. Polymer 1 exhibits a two-dimensional rhombohedral grid network structure, the dimensions of are 14.274 x A, diagonal-to-diagonal distances 24.809 14.125 A. 2 possesses concavo-convex...
A double-helical octanuclear Cu(II) wheel 1 with 2.88 nm diameter was prepared through the reaction of a clinical medicine, telmisartan, copper sulfate. Central ions can be partially replaced by bivalent zinc and cobalt fully exchanged trivalent iron ions. The properties central metal ion-exchanged variants are much different from those 1. ion exchange might regarded as powerful effective method to modify one crystalline material another only varying under moderate conditions.
To systematically explore the effect of polynuclear complexes on photocatalytic degradation organic dyes, a series coordination containing CdII clusters, formulated as {[Cd3L2(H2O)5]·H2O}n (1), {[Cd3L2(hbmb)(H2O)2]·2.5H2O}n (2), {[Cd3L2(btbb)(H2O)2]·2EtOH·1.5H2O}n (3), and {[Cd6L4(bipy)2(H2O)6]·3H2O}n (4) (H3L = 3,4-bi(4-carboxyphenyl)-benzoic acid, hbmb 1,1′-(1,6-hexane)bis(2-methylbenzimidazole), btbb 1,4-bis(2-(4-thiazolyl)benzimidazole-1-ylmethyl)benzene, 4,4′-bipy 4,4′-bipyridine), have...
Abstract A crystalline coordination polymer (CP) photocatalyst (Cu‐RSH) which combines redox‐active copper centers with photoactive rhodamine‐derived ligands remains stable in acid and basic solutions from pH 2 to 14, efficiently catalyzes dihydrogen evolution at a maximum rate of 7.88 mmol g −1 h the absence mediator co‐catalyst. Cyclic voltammetry, control experiments, DFT calculations established that nodes open sites favorable redox potentials, aided by spatially ordered stacking...
To systematically explore the influence of aromatic polycarboxylate coligands on building high-dimensional Cd(II)-bmb (1,4-bis(2-methylbenzimidazol-1-ylmethyl) benzene) coordination polymers, we synthesized six namely {[Cd(bmb)(o-phda)]·H2O}n (1), [Cd(bmb)0.5(m-phda)]n (2), [Cd(bmb)(p-phda)]n (3), [Cd(bmb)0.5(oba)]n (4), [Cd(bmb)(bpdc)]n (5), [Cd2(bmb)(bta)(mta)0.5]n (6), (H2phda = phenylenediacetic acid, H2oba =4,4′-oxybis(benzoic acid), H2bpdc biphenyl-4,4′-dicarboxylic H3bta...
The heavy-atom effect cannot explain the difference in third-order nonlinear optical properties of clusters [Ag10(dcapp)4](OH)2⋅12 H2O (1, see structure), [Zn4O(dcapp)3]⋅6 (2), and [Hg2(dcapp)2] (3) (H2dcapp=2,6-dicarboxamido-2-pyridylpyridine). Quantum chemical calculations show that NLO 1 are controlled both by metal ligand, while those 2 3 ligand only. Supporting information for this article is available on WWW under http://www.wiley-vch.de/contents/jc_2002/2005/z463004_s.pdf or from...
Abstract In this paper three coordination polymers, {[Fe(fcz) 2 Cl ] · 2CH 3 OH} n ( 1 ), {[Cu(fcz) (H O)] SO 4 DMF OH 2H O} and ) {fcz = 1‐(2,4‐difluorophenyl)‐1,1‐bis[(1 H ‐1,2,4‐triazol‐l‐yl)methyl]ethanol}, were synthesized. Crystallographic analysis reveals that polymer exhibits a 2‐D rhombohedral grid structure with (4, 4) nets, while has 1‐D double‐chain framework. The of is similar to . We found polymers – could effectively catalyze the oxidation benzyl alcohol benzaldehyde O (30...
In this paper, treatment of 1,1'-(1,4-butanediyl) bis-1H-benzotriazole (bbbt) and KSCN with Co(II), Mn(II), or Cd(II) afforded three two-dimensional rhombohedral grid coordination polymers [M(bbbt)(2)(NCS)(2)](n)(M = Co, 1; Mn, 2; Cd, 3). The grids are parallel to the crystallographic ac plane. consists 44-membered rings M(4)(bbbt)(4), gives dimensions 12.913 x 10.764 A for polymer 1, 13.106 10.797 2, 13.256 10.870 3. polymers' third-order nonlinear optical (NLO) properties were determined...
Three novel ferrocenecarboxylato-bridged lanthanide dimers [Gd2(mu 2-OOCFc)2(OOCFc)4(MeOH)2(H2O)2].2MeOH.2H2O (1) (Fc = (eta 5-C5H5)Fe(eta 5-C5H4)), [Nd2(mu 2-OOCFc)2(OOCFc)4(H2O)4].2MeOH.H2O (2), and [Y2(mu 2-OOCFc)2-(OOCFc)4(H2O)4].2MeOH (3) have been synthesized characterized by single-crystal X-ray crystallography. In each complex, two Ln(III) (Ln Gd, Nd, or Y) ions are bridged ferrocenecarboxylate anions as asymmetrically bridging ligands, leading to dimeric cores, [Ln2(mu 2-OOCFc)2];...
Five novel coordination polymers containing N-[(3-carboxyphenyl)-sulfonyl]glycine (H3L), namely [Co3L2(μ2-bipy)2(H2O)6]n·2nCH3OH·8nH2O (1), [Mn(HL)(μ2-bipy)(H2O)2]n·nH2O (2), [Mn(HL)(μ2-bipy)(H2O)]n·3nH2O (3), [Mn(HL)(bipy)(μ2-bipy)0.5(H2O)]n·4nH2O (4), [Ca(H2O)4Cu2(μ2-bipy)2L2]n·4nH2O (5) (bipy = 4,4′-bipyridine), were prepared under control by tuning the reaction conditions such as pH value, temperature, and starting materials. X-ray structural analyses of 1–5 reveal their diversity...
A porous bilayered open coordination polymer [Zn(4,4'-bpy)(2)(FcphSO(3))(2)](n) (1; FcphSO(3)Na=m-ferrocenyl benzenesulfonate), has been assembled from Zn(NO(3))(2), m-ferrocenyl benzenesulfonate, and the bridging ligand 4,4'-bipyridine (4,4'-bpy). Ion-exchange induced products [Cd(0.6)Zn(0.4)(4,4'-bpy)(2)(FcphSO(3))(2)](n) (2), [Zn(0.75)Pb(0.25)(4,4'-bpy)(2)(FcphSO(3))(2)](n) (3), [Cu(0.5)Zn(0.5)(4,4'-bpy)(2)(FcphSO(3))(2)](n) (4) could be obtained directly by suspending a big single...
Porous pillared bilayer open coordination polymer {[Cd(bpp)2(O3SFcSO3)]·(CH3OH)2 ·(H2O)6}n 1 (Fc = ferrocene) and 3D porous {[Cd(bpy)2(O3SFcSO3)]·(CH3OH)4}n 2 have been assembled from Cd(NO3)2, ferrocene-1,1′-disulfonate, bridging ligands 1,3-bis(4-pyridyl)propane (bpp) or 4,4′-bipyridine (bpy). Both of them show very special adsorption properties to copper salts. Along with the increase in solution concentration Cu(NO3)2, percentage adsorbed ions falls, but exchanged central cadmium amount...
To systematically explore the influence of spacer angles and lengths dicarboxylate coligands on building ZnII-bmb [1,4-bis(2-methylbenzimidazol-1-ylmethyl)benzene] meso-helical coordination polymers, we synthesized seven metal−organic frameworks {[Zn(bmb)0.5(o-bdc)(H2O)]·0.5(bmb)·H2O}n (1), {[Zn(bmb)(2,6-pydc)]·2H2O}n (2), [Zn(bmb)(m-bdc)]n (3), [Zn(bmb)0.5(p-bdc)·H2O]n (4), [Zn(bmb)(fum)]n (5), {[Zn(bmb)(suc)]·1.5H2O}n (6), {[Zn(bmb)(glu)]·H2O}n (7) (o-H2bdc = 1,2-benzenedicarboxylic acid,...
To search for effective photocatalysts in the field of cluster-based coordination complexes, we synthesized {[Cd2(dcpp)(beb)2 (H2O)]·H2O}n (1), [Cd2(dcpp)(bmb)(H2O)2]n (2), {[Cd2(dcpp)(2,2′-bipy)(H2O)2]·2H2O}n (3), and {[Cd2(dcpp)(4,4′-bipy)0.5(H2O)3]·H2O}n (4) by utilizing a butterfly-shaped multidentate carboxylic acid (4,5-di(4′-carboxylphenyl)phthalic acid) (H4dcpp)) N-donor ligands (1,4-bis(2-ethylbenzimidazol-1-ylmethyl) benzene (beb), 1,4-bis(2-methylbenzimidazol-1-ylmethyl) (bmb),...
{[Cu6(TTTMB)8(OH)4(H2O)6]·8(NO3)·34.5H2O}n can reversibly transform to {[Cu6(TTTMB)8I3]·9I·26H2O}n upon a single crystal process. The transformation is accompanied by the formation of weak Cu2+⋯I− interactions and changes in coordination numbers, as well modulation their properties.
To investigate the influence of organic molecules with reactive functional groups as templates on structures resulting MOFs, four novel complexes based pyridyl carboxylic acid ligand 5-(pyridin-4-yl)isophthalic (H2pyip), namely, [Mn3(pyip)2(HCOO)2(H2O)2]n (1), {[Co(pyip)(H2O)]·H2O}n (2), {[Mn2(pyip)2(H2O)4]·5H2O}n (3), and [Co(pyip)(EtOH)(H2O)]n (4), have been synthesized under solvothermal conditions. In presence 4,4′-bipyridyl template, 3D coordination framework 1 Schläfli symbol (4·6·7)...
Six interesting architectures with different structural and topological motifs have been obtained. <bold>3</bold>, <bold>4</bold> <bold>6</bold> exhibit good photocatalytic activities for methylene blue degradation.