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The title compound, {[Ni(C14H18O4)(C11H9N3O)]·H2O}n, contains octahedrally coordinated NiII ions ligated by 1,3-adamantanediacetato (ada) ligands and N-(pyridin-3-yl)isonicotinamide (3-pina) ligands, to form coordination polymer layers with a triangular (3,6) grid topology based on [Ni2(OCO)2] dimeric units. The diperiodic layer motifs stack in an ABAB pattern mediated by C—H...O supramolecular interactions between ada ligands and water molecules of crystallization to form the full triperiodic crystal structure of the title compound.

The title compound, {[Cu(C10H8O4)(C16H20N4)]·H2O}n, contains square-planar coordinated CuII ions linked by 4-(carboxylatoethyl)benzoato (ceb) and 1,4-bis(pyridin-4-ylmethyl)piperazine (bpmp) ligands into a tri-periodic coordination polymer with twofold interpenetrating 658 cds topology. Positional crystallographic disorder among the copper atoms, the ethylcarboxy group of the ceb ligands, and the water molecules of crystallization exists in a refined 0.655 (6)/0.345 (6) ratio.

The title compound, {[Ni(C12H14O4)(C11H9N3O)(H2O)]·H2O}n, contains octahedrally coordinated NiII ions ligated by adamantane-1,3-dicarboxylate (adc) and N-(pyridin-3-yl)isonicotinamide (3-pina) ligands forming coordination polymer layers with a (4,4) grid topology. These diperiodic layer motifs aggregate in an AAA pattern mediated by supramolecular C—H...O interactions to form the full triperiodic crystal structure of the title compound.

The title compound, {[Cu(C10H7O4)2(C14H14N4O2)(H2O)2]n, contains octahedrally coordinated CuII ions ligated by two bis(1,3-dihydro-3-oxo-1-isobenzofuranacetate (dibf) ligands and two trans water molecules, linked by N,N′-(ethane-1,2-diyl)dinicotinamide (edn) ligands into mono-periodic coordination polymer chains. The dibf ligands exhibit a pseudo-mirror positional disorder over two positions in a 89.2 (3)/10.8 (3) ratio; the central amide groups of the edn ligands are disordered pseudo-rotationally in the same ratio. These mono-periodic chain motifs are held into supramolecular di-periodic supramolecular layers by means of N—H...O hydrogen bonding between edn amide groups and unligated dibf carboxylate O atoms. In turn, the supramolecular layers are held by crystal packing forces into the full crystal structure of the title compound.

In the title compound, [Cu2(C4H4O4)2(C11H10N4O)]n, mono-periodic coordination polymer ribbons are held into the crystal structure by means of N—H...O hydrogen bonding and crystal packing forces.

The title compound, [Cu2(C5H6O4)2(C11H10N4O)]n, contains square-pyramidally coordinated CuII ions linked by anti-gauche conformation glutarate (glu) ligands into [Cu2(glu)2]n di-periodic coordination polymer layers with embedded [Cu2(OCO)4] paddlewheel clusters. In turn, the layer motifs are connected by 1,3-di(pyridin-3-yl)urea (3-dpu) linkers to form a [Cu2(glu)2(3-dpu)]n tri-periodic coordination polymer network. Treating the [Cu2(OCO)4] clusters as 6-connected nodes reveals an underlying 41263 pcu topology according to TOPOSPRO software [Blatov et al. (2014). Cryst. Growth Des. 14, 3576–3586].

The title compound, {[Zn(C10H6O4)(C16H16N4O2]·2.5H2O}n, contains five-coordinate ZnII ions intermediate between square-pyramidal and trigonal–bipyramidal coordination environments. The ZnII ions are connected by 2-carboxycinnamate (cca) ligands and N,N′-bis-(pyridine-4-carboxamido)piperazine (4-pcap) ligands to construct a non-interpenetrated, tri-periodic coordination polymer with embedded [Zn2(OCO)2] dimeric units. Treating these as six-connected nodes reveals an overall (41263) pcu topology. One of the 4-pcap piperazinyl rings is disordered equally over two sets of crystallographic positions.

The title compound, [Ni(C10H8O4)(C16H20N4)(H2O)2]n, contains NiII cations octahedrally surrounded within an [O4N2] coordination set. The cations are linked by 4-(carboxyethyl)benzoate (ceb) and 1,4-bis(pyridin-4-ylmethyl)piperazine (bpmp) ligands into tri-periodic diamondoid (dia) networks. The fivefold interpenetrated dia networks are held into the crystal structure by means of O—H...O hydrogen bonding between bound water molecules and unligated carboxylate O atoms of the ceb ligands.

In the title coordination polymer, [Cu2(C9H6O4)2(C16H20N4)]n, the CuII atoms in {NO4} square-pyramidal coordination environments are conjoined into diperiodic coordination polymer slabs by the full span of the bridging 1,4-bis(pyridin-4-ylmethyl)piperazine (bpmp) and 4-(carboxylethyl)benzoate (ceb) ligands. The slab motifs are expanded into the full crystal structure by means of longer-range C—H...O attractive interactions.

In the title compound, {[Cu(C10H8O4)(C14H14N4O2)]·H2O}n, the CuII cations are coordinated in a square-pyramidal fashion, with trans pyridyl-N donor atoms from two N-(2-(pyridin-3-ylamino)ethyl)isonicotinamide (pein) ligands in the basal plane. The other three coordination sites are taken up by carboxylate O-atom donors from three different 3-(2-carboxyphenyl)propionate (cpp) ligands. The central ethylenediamine segments of the pein ligands are disordered equally over two sets of positions. {Cu2O2} rhomboid clusters are connected into [Cu(cpp)(pein)]n (4,4) coordination polymer grids by the full span of the cpp and pein ligands. Individual layer motifs stack in an AAA pattern along the a axis by means of interlayer hydrogen-bonding interactions.

In the title compound, {[Zn2(C12H12O4)2(C11H10N4O)(H2O)]·3H2O}n, monoperiodic coordination polymer double strands are held into the triperiodic crystal structure by means of N—H...O hydrogen-bonding patterns between the amide groups of the 1,3-di(pyridin-4-yl)urea ligands and unligated O atoms belonging to 5-tert-butylisophthalate ligands. One of the Zn atoms displays a tetrahedral coordination environment, while the other Zn atom adopts a five-coordinate geometry intermediate between square pyramidal and trigonal bipyramidal. Additionally, O—H...O hydrogen-bonding patterns involving the water molecules of crystallization serve as a structure-stabilizing element by aggregating the double-strand motifs.

In the title compound, [Zn2(C9H6O4)2(C11H10N4O)2]n, diperiodic coordination polymer slabs with {3.648}{326.728} 4,4-connected binodal topology are held into a parallel interpenetrated triperiodic crystal structure by means of N—H...O hydrogen-bonding patterns.

In the title compound, {[Cu2(C10H8O4)2(C14H14N4O2)]·5H2O}n, the CuII cations are coordinated in a square-pyramidal fashion, with four 3-(2-carboxyphenyl)propionate (cpp) carboxylate O-atom donors in the basal plane, along with an N-atom donor from a N-[2-(pyridin-3-ylamino)ethyl]nicotinamide (pen) ligand in the apical position. [Cu2(cpp)2]n coordination polymer layer motifs with embedded {Cu2(OCO)4} paddlewheel clusters are thereby constructed. These layer motifs are connected into a three-dimensional [Cu2(cpp)2(pen)]n coordination polymer network by tethering pen ligands. Treating the {Cu2(OCO)4 paddelwheel clusters as 6-connected nodes reveals an underlying cross-pillared self-penetrated rob network with 48668 topology. The water molecules of crystallization are held to the coordination polymer network by N—H...O and O—H...O hydrogen-bonding patterns.

In the title compound, {[Co(C9H6O4)(H2O)]·0.5C16H20N4·0.5H2O}n, two-dimensional coordination polymer slabs are held together in the three-dimensional crystal structure by means of O—H...N hydrogen bonding between bound water molecules and pyridyl N atoms of cocrystallized 1,4-bis(pyridin-4-ylmethyl)piperazine molecules.

In the title compound, {[Cu(C14H8O4)(C11H10N4O)(H2O)]·1.25H2O}n, the CuII cations are coordinated in a square-pyramidal fashion by trans carboxylate O-atom donors from two diphenate (dip) ligands, trans pyridyl N-atom donors from two bis(4-pyridyl)urea (bpu) ligands, and a ligated water molecule in the apical position. [Cu(H2O)(dip)(bpu)]n coordination polymer layer motifs are oriented parallel to (\overline{1}02). These layer motifs display a standard (4,4) rectangular grid topology and stack in an AAA pattern along the a-axis direction to form the full three-dimensional crystal structure of the title compound, mediated by N—H...O and O—H...O hydrogen bonding patterns involving the water molecules of crystallization.

In the title compound, [Cd(C10H8O4)(H2O)2)]n, the CdII cation is coordinated in a distorted trigonal–prismatic fashion. 3-(4-Carboxyphenyl)propionate (cpp) ligands connect the CdII cations into zigzag [Cd(cpp)(H2O)2)]n coordination polymer chains, which are oriented parallel to [101]. The chains aggregate into supramolecular layers oriented parallel to (10\overline{1}) by means of O—H...O hydrogen bonding between bound water molecules and ligating cpp carboxylate O atoms. The layers stack in an ABAB pattern along [100] via other O—H...O hydrogen-bonding mechanisms also involving the bound water molecules. The crystal studied was an inversion twin.

In the title compound, [Zn(C9H6O4)]n, the ZnII cations are coordinated in a tetrahedral fashion by carboxylate O-atom donors belonging to four 4-(carboxymethyl) benzoate (4-cmb) ligands. Each 4-cmb ligand binds to four ZnII cations in an exotetradentate fashion to create a non-interpenetrated [Zn(4-cmb)]n three-dimensional coordination polymer network with a new non-diamondoid 66 topology. The crystal studied was refined as an inversion twin.

In the title compound, [Cd2(C9H6O5)2(H2O)2]n, the crystallographically distinct CdII cations are coordinated in pentagonal–bipyramidal and octahedral fashions. The 2-(carboxymethoxy)benzoate (cmb) ligands connect the Cd atoms into [Cd2(cmb)2(H2O)2)]n coordination polymer ribbons that are oriented along the a-axis direction. Supramolecular layers are formed parallel to (01\overline{1}) by O—H...O hydrogen bonding between the ribbons. The supramolecular three-dimensional crystal structure of the title compound is then constructed by π–π stacking interactions with a centroid–centroid distance of 3.622 (2) Å between cmb ligands in adjacent layer motifs.

The title compound, [Cd2(C8H8O4)2]n, crystallizes in the centrosymmetric monoclinic P21/n space group. Via cis-cyclohex-4-ene-1,2-dicarboxylate ligands in two different binding modes, square pyramidally and pentagonal bipyramidally coordinated Cd atoms are connected into coordination polymer layer motifs oriented parallel to the ab plane. These layered motifs are aggregated into the three-dimensional supramolecular crystal structure of the title compound by means of crystal packing forces.

In the title compound, [Ni(C4H5NO4)(C10H9N3)(H2O)]n, the NiII cations are octahedrally coordinated by an N atom donor and two O donor atoms belonging to a tridentate iminodiacetate (ida) ligand in a fac fashion, an O atom donor from an aqua ligand, and cis-disposed pyridyl N donor atoms from two 4,4′-dipyridylamine (dpa) ligands. The dpa ligands are disordered over two sets of sites in a 0.594 (7):0.406 (7) ratio. Through the bridging dpa ligands, [Ni(ida)(dpa)(H2O)]n zigzag coordination polymer chains are formed that are oriented along the b-axis direction. These chain motifs are anchored into the three-dimensional supramolecular crystal structure of the title compound by means of O—H...O and N—H...O hydrogen-bonding pathways.

In the title compound, [CuNa2(C9H4O6)2(H2O)4]n, the CuII cations are square-planar coordinated by carboxylate O-atom donors from four different hydrogen benzene-1,2,4-tricarboxylate (btcH) ligands, thereby forming [Cu(btcH)2]n2n− coordination polymer ribbons. These are connected by octahedrally coordinated and hydrated NaI cations within Na2(μ-H2O)2 clusters to construct the full [Na2(H2O)4Cu(btcH)2]n three-dimensional coordination polymer.

The title cocrystal, C8H12O4·C17H20N4O2·2H2O, shows O—H...N hydrogen bonded supramolecular chain motifs of cis-1,3-cyclohexanedicarboxylic acid (H2cdc) molecules alternating with N,N′-(pentane-1,5-diyl)bis(pyridine-4-carboxamide)pentane (bpcpe) molecules. These chain motifs are aggregated by C—H...O interactions into supramolecular layers and slabs, which are stacked into the three-dimensional crystal structure by means of O—H...O interactions mediated by the water molecules of crystallization.

In the title compound, [Cd(C14H19O4)2(C16H16N4O2)]n, the CdII cation is coordinated in a distorted octahedral fashion by trans pyridyl N-atom donors from two N,N′-bis(pyridine-4-carboxamido)piperazine (bpcp) ligands, and chelating carboxylate groups from two 2-[3-(carboxymethyl)adamantan-1-yl]acetate ligands. [Cd(adaH)(bpcp)]n coordination polymer chains are oriented along [-111] and aggregate into supramolecular layers parallel to (122) by O—H...O hydrogen-bonding interactions. The supramolecular three-dimensional crystal structure is then constructed by interlayer C—H...O non-classical interactions. The O atoms of one of the carboxylate groups were refined as disordered over two sets of sites, with occupancies 0.553 (7) and 0.447 (7).

In the title solvated coordination complex, [Ni(C8H5O4)2(C14H14N4O2)2(H2O)2]·6H2O, the NiII cation is octahedrally coordinated by trans carboxylate O-atom donors from two crystallographically distinct monodentate hydrogen phthalate (Hpht−) ligands, two trans aqua ligands, and trans pyridyl N-atom donors from two crystallographically distinct N,N′-(ethane-1,2-diyl)bis(isonicotinamide) (ebin) ligands. Extensive O—H...O and O—H...N hydrogen-bonding patterns involving the water molecules of crystallization anchor neighboring coordination complexes into a three-dimensional network.