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Bis(4,4'-methyl-enedicyclo-hexyl-aminium) ?-benzene-1,4-dicarboxyl-ato-bis-[tri-chlorido-zinc(II)] tetra-hydrate.

ABSTRACT: The title compound, (C(13)H(28)N(2))(2)[Zn(2)(C(8)H(4)O(4))Cl(6)]·4H(2)O, was prepared by the reaction of ZnCl(2)·6H(2)O, benzene-1,4-dicarboxylic acid and 4,4'-diamino-dicyclo-hexyl-methane in methanol. The [Zn(2)Cl(6)(C(8)H(4)O(4))](4-) anions lie on centres of inversion and comprise two ZnCl(3) groups bridged by benzene-1,4-dicarboxyl-ate. In addition to N-H?Cl and N-H?O hydrogen bonds between the cations and anions, solvent water mol-ecules form O-H?O and O-H?Cl hydrogen bonds to give a three-dimensional network.

SUBMITTER: Hsu CY

PROVIDER: S-EPMC2959686 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

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Bis(4,4'-methyl-enedicyclo-hexyl-aminium) μ-benzene-1,4-dicarboxyl-ato-bis-[tri-chlorido-zinc(II)] tetra-hydrate.

Hsu Chen-Yen CY Yeh Chun-Wei CW Wu Chi-Phi CP Lin Chia-Her CH Chen Jhy-Der JD

Acta crystallographica. Section E, Structure reports online 20081015 Pt 11

The title compound, (C(13)H(28)N(2))(2)[Zn(2)(C(8)H(4)O(4))Cl(6)]·4H(2)O, was prepared by the reaction of ZnCl(2)·6H(2)O, benzene-1,4-dicarboxylic acid and 4,4'-diamino-dicyclo-hexyl-methane in methanol. The [Zn(2)Cl(6)(C(8)H(4)O(4))](4-) anions lie on centres of inversion and comprise two ZnCl(3) groups bridged by benzene-1,4-dicarboxyl-ate. In addition to N-H⋯Cl and N-H⋯O hydrogen bonds between the cations and anions, solvent water mol-ecules form O-H⋯O and O-H⋯Cl hydrogen bonds to give a thre ...[more]

PMID: 21580861

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Benzene-1,3-diammonium bis-(pyridine-2,6-dicarboxyl-ato)nickelate(II) penta-hydrate.

Project description:In the title compound, (C(6)H(10)N(2))[Ni(C(7)H(3)NO(4))(2)]·5H(2)O, the Ni(II) ion is six-coordinated by two N and four O atoms from two pyridine-2,6-dicarboxyl-ate ligands in a distorted octa-hedral fashion. The crystal packing is stabilized by inter-molecular O-H⋯O and N-H⋯O and weak C-H⋯O hydrogen bonds and π-π inter-actions [centroid-centroid distances = 3.4669 (19) and 3.764 (2) Å].

| S-EPMC3051631 | biostudies-literature

Poly[[dodeca-aqua-bis-(?(3)-pyridine-2,6-dicarboxyl-ato)tetra-kis-(?(2)-pyridine-2,6-dicarboxyl-ato)tri-calciumdieuropium(III)] 10.5-hydrate].

Project description:In the title compound, {[Ca(3)Eu(2)(C(7)H(3)NO(4))(6)(H(2)O)(12)]·10.5H(2)O}(n), the Eu(III) ion is nine-coordinated by three tridentate pyridine-2,6-dicarboxyl-ate (PDA) ligands, forming a [Eu(PDA)(3)](3-) building block. The Ca(2+) ions adopt two types of coordination geometries. One Ca(2+) ion, lying on a twofold rotation axis, is eight-coordinated by four carboxyl-ate O atoms from four PDA ligands and four water mol-ecules, and the other two Ca(2+) ions, each lying on an inversion center, are six-coordinated by two carboxyl-ate O atoms from two PDA ligands and four water mol-ecules. The carboxyl-ate groups bridge the Eu(III) and Ca(2+) ions into a three-dimensional porous framework, with channels extending along [010] and [001] in which lattice water mol-ecules are located. Two of the lattice water mol-ecules are disordered over two sets of sites with equal occupancy and one water mol-ecule is 0.25-occupied. Numerous O-H?O hydrogen bonds involving the water mol-ecules and carboxyl-ate O atoms are present.

| S-EPMC3344405 | biostudies-literature

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| S-EPMC3344367 | biostudies-literature

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| S-EPMC2960308 | biostudies-literature

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Bis(benzyl-aminium) 4,5-dichloro-benzene-1,2-dicarboxyl-ate monohydrate.

Project description:In the structure of the title salt, 2C(7)H(10)N(+)·C(8)H(2)Cl(2)O(4) (2-)·H(2)O, the two benzyl-aminium anions have different conformations, one being essentially planar and the other having the side chain rotated out of the benzene plane [minimum ring to side-chain C-C-C-N torsion angles = -3.6?(6) and 50.1?(5)°, respectively]. In the 4,5-dichloro-phthalate dianion, the carboxyl-ate groups make dihedral angles of 23.0?(2) and 76.5?(2)° with the benzene ring. In the crystal, aminium N-H?O and water O-H?O hydrogen-bonding associations with carboxyl-ate O-atom acceptors give a two-dimensional duplex sheet structure which extends along the (011) plane. Weak ?-? inter-actions are also present between the benzene ring of the dianion and one of the cation rings [minimum ring centroid separation = 2.749?(3)?Å].

| S-EPMC3379483 | biostudies-literature

Hexaaqua-nickel(II) tetra-aqua-bis-(?-pyridine-2,6-dicarboxyl-ato)bis-(pyridine-2,6-dicarboxyl-ato)trinickelate(II) octa-hydrate.

Project description:The title compound, [Ni(H(2)O)(6)][Ni(3)(C(7)H(3)NO(4))(4)(H(2)O)(4)]·8H(2)O, was obtained by the reaction of nickel(II) nitrate hexa-hydrate with pyridine-2,6-dicarb-oxy-lic acid (pydcH(2)) and 1,10-phenanothroline (phen) in an aqueous solution. The latter ligand is not involved in formation of the title complex. There are three different Ni(II) atoms in the asymmetric unit, two of which are located on inversion centers, and thus the [Ni(H(2)O)(6)](2+) cation and the trinuclear {[Ni(pydc)(2)](2)-?-Ni(H(2)O)(4)}(2-) anion are centrosymmetric. All Ni(II) atoms exhibit an octa-hedral coordination geometry. Various inter-actions, including numerous O-H?O and C-H?O hydrogen bonds and C-O?? stacking of the pyridine and carboxyl-ate groups [3.570?(1), 3.758?(1) and 3.609?(1)?Å], are observed in the crystal structure.

| S-EPMC3007465 | biostudies-literature

trans-Bis(?-benzene-thiol-ato-?(2) S:S)bis[chlorido-(tri-phenyl-phosphane-?P)palladium(II)] chloro-form disolvate.

Project description:The title compound, [Pd2Cl2(C6H5S)2(C18H15P)2]·2CHCl3, contains a centrosymmetric dinuclear palladium complex with the Pd(II) cation in a slightly distorted square-planar coordination environment. The Pd(II) cations are bridged by the S atoms of two benzene-thiol-ate ligands with different Pd-S distances [2.2970?(11) and 2.3676?(11)?Å]. The coordination of the metal atom is completed by a chloride anion [2.3383?(11)?Å] and a tri-phenyl-phosphane ligand [2.2787?(11)?Å]. Weak C-H?Cl inter-actions are present between complex mol-ecules and the CHCl3 solvent mol-ecule. The latter is disordered over two positions in a 0.792?(8):0.208?(8) ratio. The crystal under investigation was found to be twinned by nonmerohedry, with a fraction of 73.4?(1)% for the major twin component.

| S-EPMC3793701 | biostudies-literature

Tetra-methyl 4,4'-carbonyl-bis(benzene-1,2-dicarboxyl-ate).

Project description:In the mol-ecule of the title compound, C(21)H(18)O(9), the two aromatic rings are aligned at an angle of 49.7 (1)°.

| S-EPMC2968872 | biostudies-literature

Hydroxonium hydrate tris-(2,4,6-tri-amino-1,3,5-triazin-1-ium) bis-[bis-(pyri-dine-2,6-dicarboxyl-ato)cuprate(II)] pyridine-2,6-dicarboxylic acid hexa-hydrate.

Project description:The reaction of copper(II) nitrate hexa-hydrate with pyridine-2,6-dicarboxylic acid (pydcH(2)) and 2,4,6-triamino-1,3,5-triazine (melamine) in aqueous solution in a 1:2:2 molar ratio gave the title compound, (H(5)O(2))(C(3)H(7)N(6))(3)[Cu(C(7)H(3)NO(4))(2)](2)·C(7)H(5)NO(4)·6H(2)O. The hydroxonium hydrate (H(5)O(2))(+), also known as the Zundel cation, resides on a twofold rotation axis. The O-H distance is 1.274?(14)?Å, the O?O distance is 2.518?(5)?Å, and the O-H-O angle is 162?(8)°. One of the melamine H(+) cations, the uncoordinated pydcH(2), and two water mol-ecules also reside on crystallographic twofold axes. The Cu(II) atom has a tetra-gonally distorted octa-hedral coordination environment. The structure features extensive hydrogen bonding, with 21 distinct inter-actions. There is also a centrosymmetric C=O?? inter-action with an O?centroid distance of 3.288?(3)?Å. The structure is similar to a mixed-valence manganese(II/III) structure but shows inter-esting differences in the metal-atom coordination. One of the water molecules is equally disordered with respect to a twofold axis.

| S-EPMC2968149 | biostudies-literature

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