Hydrothermal synthesis and crystal structure of catena-poly[diaqua-bis(μ2-4-[(4-pyridinylmethyl)amino]benzoato-κ2 N:O)cobalt(II)]–1,2bi(4-pyridyl)ethene–water (1/1/1), C50H50N8O8Co

C50H50N8O8Co, triclinic, P 1 ‾ $\overline{1}$ , a = 9.2920(4) Å, b = 11.3648(5) Å, c = 11.9954(4) Å, α = 96.478(3)°, β = 104.766(3)°, γ = 103.901(4)°, V = 1168.40(8) Å3, Z = 1, R gt (F) = 0.0393, wR ref (F 2) = 0.1431, T = 293(2) K.

Crystal structure of poly[(μ2-1-(1-imidazolyl)-4-(imidazol-1-ylmethyl)benzene-κ2 N:N′)-(μ3-pyridazine-4,5-dicarboxylate-κ3 O:O′:N)]copper(II) hydrate, C19H16CuN6O5

C19H16CuN6O5, triclinic, P 1 ‾ $P\overline{1}$ (no. 2), a = 9.0143(3) Å, b = 9.2122(3) Å, c = 11.8205(4) Å, α = 82.900(3)°, β = 74.593(3)°, γ = 83.612(3), V = 935.90(5) Å3, Z = 2, R gt (F) = 0.0284, wR ref (F 2) = 0.0684, T = 293 K.

Crystal structure of trans-1,2-bis(pyridinium-4-yl) ethylene bis(2-carboxy-4-bromobenzoate) – water (1/4), C14H14BrNO6

C14H14BrNO6, triclinic, P 1 ‾ $\overline{1}$ (no. 2), a = 6.9693(3) Å, b = 8.6514(5) Å, c = 13.6726(8) Å, α = 72.774(5)°, β = 81.547(4)°, γ = 74.370(4)°, V = 756.26(7) Å3, Z = 2, R gt (F) = 0.0341, wR ref (F 2) = 0.0689, T = 290.7(3) K.

Crystal structure of catena-poly[bis(µ2-3,5-bis(1-imidazolyl)pyridine-κ2 N:N′)-(µ2-3-nitrophthalato-k3 O,O′:O″)cadmium(II)] dihydrate, C30H25N11O8Cd

C30H25N11O8Cd, orthorhombic, Pnma (no. 62), a = 17.9344(3) Å, b = 18.2722(3) Å, c = 9.5619(2) Å, V = 3133.44(10) Å3, Z = 4, R gt (F) = 0.0345, wR ref (F 2) = 0.0707, T = 293.28(10) K.

Crystal structure of catena-poly[diaqua-(μ2-4,4′-bipyridine-κ2 N:N′)-bis(2,3,4,5-tetrabromo-6-carboxybenzoato-κ1 O)-nickel(II)], C26H14Br8NiN2O10

C26H14Br8NiN2O10, orthorhombic, Pbcn (no. 60), a = 24.1740(4) Å, b = 11.3727(2) Å, c = 11.7918(2) Å, V = 3241.84(10 Å3, Z = 4, R gt(F) = 0.0300, wR ref(F 2) = 0.0804, T = 293 K.

Crystal structure of poly[diaqua-(μ2-4,4′-bipyridine-κ2 N:N′)-(μ2-3,4,5,6-tetrafluorophthalato-κ2 O:O′)nickel(II)], C18H12F4NiN2O6

C18H12F4NiN2O6, orthorhombic, Pccn (no. 56), a = 7.4650(2) Å, b = 10.6954(2) Å, c = 22.7513(5) Å, V = 1816.49(7) Å3, Z = 4, R gt(F) = 0.0304, wR ref(F 2) = 0.0898, T = 293 K.

Crystal structure of poly[diaqua-(μ3-3,4,5,6-tetrafluoro-phthalato-κ3O:O′:O′′)-(μ2-1,2-bis(4-pyridyl)ethene-κ2 N:N′)cobalt(II)], C14H9CoF4NO6

C14H9CoF4NO6, monoclinic, P21/n (no. 14), a = 6.1183(2) Å, b = 7.5688(2) Å, c = 32.5016(7) Å, β = 90.672(2)°, V = 1504.99(7) Å3, Z = 4, R gt(F) = 0.0398, wR ref(F 2) = 0.1037, T = 293 K.

Crystal structure of catena-poly[triaqua-(1,3-di(1H-imidazol-1-yl)benzene-κ2N:N′)-(3-nitrophthalato-κ1O)cobalt(II)] — water (2/3), C20H22N5O10.5Co

C20H22N5O10.5Co, triclinic, P1̄ (no. 2), a = 7.9667(3) Å, b = 11.5847(4) Å, c = 13.5305(5) Å, α = 81.096(3)°, β = 83.110(3)°, γ = 69.997(4)°, V = 1156.26(8) Å3, Z = 2, Rgt(F) = 0.0439, wRref(F2) = 0.1096, T = 292(1) K.

Crystal structure of catena-poly[diaqua-bis(3,4,5,6-tetrabromo-carboxybenzoato-κ1O)-(μ2-4,4′-bipyridine-κ2N:N′)cobalt(II)], C26H14Br8CoN2O10

C26H14Br8CoN2O10, orthorhombic, Pbcn (no. 60), a = 24.3935(3) Å, b = 11.4505(1) Å, c = 11.7004(1) Å, V = 3268.13(6) Å3, Z = 4, Rgt(F) = 0.0313, wRref(F2) = 0.0819, T = 293 K.

Hydrothermal synthesis and crystal structure of cylo[tetraaqua-bis(μ2-1,4-bis(1H-benzo[d]imidazol-1-yl)but-2-ene-κ2 N:N′)-bis(μ2-4-nitro-phthalate-κ2 O,O′)dinickel(II)], C26H23N5O8Ni

C26H23N5O8Ni, monoclinic, P21/c (no. 14), a = 15.4152(5) Å, b = 10.8836(3) Å, c = 16.1172(5) Å, β = 112.097(4)°, V = 2505.42(14) Å3, Z = 4, R gt(F) = 0.0361, wR ref(F 2) = 0.0876, T = 293(2) K.

Crystal structure of catena-poly[diaqua-(μ2-1,2-bis(4-pyridinyl)ethyane-κ2 N:N′)-(μ2–pyridazine-4,5-dicarboxylato-κ2 O:O′)]dizinc(II) dihydrate, C12H12ZnN3O6

C12H12ZnN3O6, monoclinic, I2/a (no. 15), a = 17.6153(6) Å, b = 6.6922(2) Å, c = 24.1330(9) Å, β = 107.899(4)°, V = 2707.22(17) Å3, Z = 8, R gt(F) = 0.0262, wR ref(F 2) = 0.0691, T = 293(2) K.

Selective and Recyclable Sensing of Aqueous Phase 2,4,6-Trinitrophenol (TNP) Based on Cd(II) Coordination Polymer with Zwitterionic Ligand

A novel coordination polymer, {[Cd4(Dccbp)4]·H2O} (1) (Dccbp = 3,5-dicarboxy-1-(3-carboxybenzyl)pyridin-1-ium) was synthesized under hydrothermal conditions by a zwitterionic organic ligand and characterized by single crystal X-ray diffraction, infrared spectrum (IR), thermogravimetric analysis (TG), powder X-ray diffraction (PXRD) and luminescence. Complex 1 with a pyridine cation basic skeleton has the potential to serve as the first case of a luminescent material based on the zwitterionic type of organic ligand for selective, sensitive, and recyclable sensing of 2,4,6-trinitrophenol in the aqueous phase.

A Co(II) complex from a pyridylamide ligand: synthesis and structural characterization

The hydrothermal reaction of N3,N5-di(pyridin-4-yl)pyridine-3,5-dicarboxamide (L) with Co(NO3)2·6H2O and ErCl3·6H2O yields a new complex, {[Co(L)2(NO3)1.15(Cl)0.85]·4DMF}n (1). Complex 1 has been characterized by single-crystal and powder X-ray diffraction, IR, and elemental and thermogravimetric analysis. It crystallizes in the orthorhombic space group Fddd and shows a chain structure.

Luminescent sulfonate coordination polymers: synthesis, structural analysis and selective sensing of nitroaromatic compounds

Enhanced fluorescence intensity of sulfonate coordination polymers on addition of picric acid.

Sorption and sensing properties of coordination polymers with mixed 1,3,5-tri(1-imidazolyl)benzene and 2,6-naphthalenedicarboxylate ligands

Cd(ii) and Zn(ii) frameworks with mixed dicarboxylate and imidazole-containing ligands show selective adsorption and sensing properties.

Solvent-dependent zinc(II) coordination polymers with mixed ligands: selective sorption and fluorescence sensing

Starting from the same metal salts and mixed organic ligands of 1,3,5-tris(1-imidazolyl)benzene (tib) and 2-bromo-1,4-benzenedicarboxylic acid (H2BDC-Br), two novel zinc(II) coordination polymers [Zn2(tib)2(BDC-Br)]2·2SO4·17H2O (1) and [Zn4(tib)2(BDC-Br)3(H2O)4SO4]·7.5H2O·2.5DMF (2) (DMF = N,N-dimethylformamide) were obtained by using different solvent systems of DMF/H2O and DMF/EtOH/H2O, respectively. 1 is an unusual (3,4)-connected 3D net with a Point symbol of {4·8·10(4)}{4·8·10}, while 2 is a complicated 1D chain, which is further connected to form a 3D supramolecular architecture by hydrogen bonding interactions. In particular, 1 and 2 exhibit selective adsorption of CO2 over N2 and show good selectivity for detection of acetone via fluorescence quenching.

Crystal structure of a poly[bis(3,4,5,6-tetrachlorophthalato)neodym(III)potassium(I)] — 4,4′-bipyridine — water (1/1/5.5)

C26H19Cl8KN2NdO13.5, triclinic, P1̅ (no. 2), a = 8.6114(17) Å, b = 12.665(3) Å, c = 16.997(3) Å, α = 96.53(3)°, β = 103.28(3)°, γ = 97.89(3)°, V = 1766.6(6) Å3, Z = 2, R gt (F) = 0.0254, wR ref (F 2 ) = 0.0838, T = 293 K.

Crystal structure of trans-1,2-bis(pyridinium-4-yl)ethylene–2-carboxy-4-methylbenzoate (1/2), C30H26N2O8

C30H26N2O8, monoclinic, C2/c (no. 15), a = 17.567(2) Å, b = 13.1375(17) Å, c = 13.4212(17) Å, β = 124.08(1)°, V = 2565.3(6) Å3, Z = 4, R gt (F) = 0.0379, wR ref (F 2 ) = 0.0839, T = 296 K.

Synthesis, structure, and magnetic and catalytic properties of metal frameworks with 2,2′-dinitro-4,4′-biphenyldicarboxylate and imidazole-containing tripodal ligands

Four new MOFs with mixed ligands were successfully synthesized, and their magnetic, adsorption and catalytic properties were investigated.

Solvent dependent reactivities of di-, tetra- and hexanuclear manganese complexes: syntheses, structures and magnetic properties

An unusual solvent effect on the synthesis of five manganese complexes [Mn2(L1)2(Py)4](), [Mn2(L1)2(DMSO)4](), [Mn4(L2)4(OH)4](), [Mn4(L3)2(DMSO)7(H2O)](), and [Mn6O2(L4)4(OAc)2(OMe)2(DMSO)4]·MeOH] (), (H3L1 = 5-(2-oxyphenyl)-pyrazole-3-carboxylic acid; H2L2 = 5-(2-oxyphenyl)-pyrazole-3-carboxylic acid amide; H4L3 = di-[5-(2-oxyphenyl)-pyrazole]-3-hydroxamic ether; and H2L4 = 5-(2-oxyphenyl)-pyrazole-3-carboxylic acid methyl ester) has been reported. Five complexes have been characterized by X-ray single crystal diffraction, IR, element analysis, thermogravimetric analysis and UV-vis spectra. The analysis reveals that complexes and are isostructural with a bimetallic six-membered ring and L1 from the decomposition of the original H4ppha (H4ppha = 5-(2-hydroxyphenyl)-pyrazole-3-hydroxamic acid) ligand. Complexes and are two tetranuclear clusters, and possesses an aza12-metallacrown-4 core with L2 from the amide functionalization of the decomposition L1; while represents a novel linear [Mn4N8O2] core with L3 from the condensation of L1 and H4ppha. Complex is the first Mn6 cluster linked by two stacked, off-set 8-azametallacrown-3 subunits with [M-N-N-M-N-N-M-O] connectivity, and L4 derived from the esterification of L1. The magnetic behaviour of complexes show the dominant antiferromagnetic interactions between metal centers, whereas complex further reveals the coexistence of antiferromagnetic and ferromagnetic interactions, and slow magnetic relaxation at T < 6 K with S = 4 ground state, as well as field induced magnetization saturation.

Functional group effects on structure and topology of cadmium(ii) frameworks with mixed organic ligands

Cadmium(ii) complexes were obtained by tuning functional groups of benzenedicarboxylate and reaction conditions, their ferroelectric and photoluminescence properties were studied.

Nano-sized heterometallic macrocycles based on 4-pyridinylboron-capped iron(II) clathrochelates: syntheses, structures and properties

Ir-Fe heterometallic macrocycles from clathrochelate-based bipyridyl and bis(amidinate) ligands with controllable cavity size have been prepared and characterized.