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(?-Ethane-1,2-diamine-?N:N')bis-[bis-(ethane-1,2-diamine-?N,N')zinc(II)] tetra-kis-(perchlorate).

ABSTRACT: In the title salt, [Zn(2)(C(2)H(8)N(2))(5)](ClO(4))(4), an ethyl-enediamine mol-ecule bridges two bis-(ethyl-enediamine)-zinc units; the five-coordinate Zn atoms show a trigonal-bipyramidal coordination geometry that is distorted towards square-pyramidal (that of one Zn atom is distorted by 12% and that of the other by 34%). The perchlorate ions are all disordered over two positions in a 1:1 ratio. The cation inter-acts weakly with the anion by N-H?O hydrogen bonds, generating a three-dimensional network.

SUBMITTER: Ding MH

PROVIDER: S-EPMC3009181 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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(μ-Ethane-1,2-diamine-κN:N')bis-[bis-(ethane-1,2-diamine-κN,N')zinc(II)] tetra-kis-(perchlorate).

Ding Man-Hua MH Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20101002 Pt 11

In the title salt, [Zn(2)(C(2)H(8)N(2))(5)](ClO(4))(4), an ethyl-enediamine mol-ecule bridges two bis-(ethyl-enediamine)-zinc units; the five-coordinate Zn atoms show a trigonal-bipyramidal coordination geometry that is distorted towards square-pyramidal (that of one Zn atom is distorted by 12% and that of the other by 34%). The perchlorate ions are all disordered over two positions in a 1:1 ratio. The cation inter-acts weakly with the anion by N-H⋯O hydrogen bonds, generating a three-dimensiona ...[more]

PMID: 21588800

Similar Datasets

[μ-N,N'-Bis(2-pyridylmethyl-ene)ethane-1,2-diamine]bis-{aqua-[N,N'-bis-(2-pyridyl-methyl-ene)ethane-1,2-diamine]manganese(II)} tetra-kis(perchlorate).

Project description:The cation of the salt, [Mn(2)(C(14)H(14)N(4))(3)(H(2)O)(2)](ClO(4))(4), lies on a center of inversion, the center lying midway along the ethyl-ene chain of the bridging N,N'-bis-(2-pyridylmethyl-ene)ethane-1,2-diamine ligand. The Mn atom is chelated by two atoms N atoms of this bridging ligand, and is also coordinated by four N atoms of another ligand. The Mn atom is seven-coordinated in a penta-gonal-bipyramidal environment. The crystal structure displays inter-molecular π-π inter-actions between adjacent pyridine rings, with a shortest centroid-centroid distance of 3.784 (3) Å. The perchlorate is linked to the dinuclear cation by O-H⋯O hydrogen bonds.

| S-EPMC2983616 | biostudies-literature

Bis{N-methyl-N'-[1-(pyridin-2-yl)ethyl-idene]ethane-1,2-diamine}-zinc bis-(perchlorate).

Project description:The title mononuclear zinc(II) complex, [Zn(C(10)H(15)N(3))(2)](ClO(4))(2), was obtained by the reaction of 2-acetyl-pyridine, N-methyl-ethane-1,2-diamine and zinc perchlorate in methanol. The asymmetric unit of the complex contains two independent [Zn(C(10)H(15)N(3))(2)](2+) cations and four perchlorate anions. The Zn(II) atom in each complex cation is six-coordinated by two pyridine N, two imine N and two amine N atoms from two N-methyl-N'-[1-(pyridin-2-yl)ethyl-idene]ethane-1,2-diamine Schiff base ligands in a distorted octa-hedral geometry. The pyridine rings in each of the complex cations are approximately perpendicular to each other, making dihedral angles of 88.4?(3) and 87.9?(3)°. The perchlorate anions are linked to the complex cations through N-H?O hydrogen bonds.

| S-EPMC3212129 | biostudies-literature

[?-N,N'-Bis(2-amino-eth-yl)ethane-1,2-diamine-?(4)N(1),N(1'):N(2),N(2')]bis-{[N,N'-bis-(2-amino-eth-yl)ethane-1,2-diamine-?(4)N,N',N'',N''']cadmium} tetra-kis-(perchlorate).

Project description:The centrosymmetric dinuclear cadmium title complex, [Cd(2)(C(6)H(18)N(4))(3)](ClO(4))(4), was obtained by the reaction of N,N'-bis-(2-amino-eth-yl)ethane-1,2-diamine (trien) with Cd(NO(3))(2)·4H(2)O and sodium perchlorate in methanol. The Cd(II) cation is coordinated by four N atoms of a non-bridging trien ligand and by two N atoms of a bridging trien ligand in a slightly distorted octa-hedral coordination geometry. The bridging ligand shares another two N atoms with a neighboring symmetry-equivalent Cd(II) cation. The structure displays C-H?O and N-H?O hydrogen bonding. The perchlorate anion is disordered over two sets of sites in a 0.854?(7): 0.146?(7) ratio.

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Bis(acetato-κO)[N,N,N',N'-tetra-methyl-ethane-1,2-diamine-κN,N']copper(II).

Project description:In the title compound, [Cu(C(2)H(3)O(2))(2)(C(6)H(16)N(2))], the Cu(II) atom is coordinated by two N atoms from the chelating N,N,N',N'-tetra-methyl-ethane-1,2-diamine ligand and two O atoms from two acetate anions in a distorted square-planar geometry. In addition, there are longer contacts between Cu and the second O atom of each acetate ligand, which could be considered to complete a distorted octa-hedral geometry. The mol-ecules in the crystal structure are connected via inter-molecular C-H⋯O hydrogen-bonding contacts.

| S-EPMC2960195 | biostudies-literature

Tris(ethane-1,2-diamine-κN,N')cobalt(III) carbonate iodide tetra-hydrate.

Project description:The title compound, [Co(C(2)H(8)N(2))(3)](CO(3))I·4H(2)O, crystallizes with a [Co(en)(3)](3+) cation (en is ethane-1,2-diamine), CO(3) (2-) and I(-) anions and four water mol-ecules in the asymmetric unit. In the cation, the three rings formed by the ethyl-enediamine units and the Co(III) metal ion are in slightly distorted twist conformations. Numerous O-H⋯O, N-H⋯O, N-H⋯I and O-H⋯I inter-molecular hydrogen bonds between the cation and two anions in concert with the four water mol-ecules dominate the crystal packing and create a supra-molecular infinite three-dimensional framework.

| S-EPMC3007973 | biostudies-literature

Tetra-kis-(μ-benzoato-κO:O')bis{[4-(di-methyl-amino)-pyridine-κN]zinc(II)}.

Project description:In the centrosymmetric binuclear title complex, [Zn(2)(C(7)H(5)O(2))(4)(C(7)H(10)N(2))(2)], the Zn atoms [Zn⋯Zn = 3.0037 (6) Å] are bridged by four benzoate ligands. Each of the Zn atoms assumes an approximately square-pyramidal environment, with four O atoms in a plane and the pyridine N atom at the apical site.

| S-EPMC3051476 | biostudies-literature

A dimeric zinc(II) complex: bis-[μ-1,2-bis-(1,2,4-triazol-4-yl)ethane-κN:N]bis-[dinitritozinc(II)].

Project description:The coordination geometry of the Zn(II) atom in the title complex, [Zn(2)(NO(2))(4)(C(6)H(8)N(6))(2)], is distorted octa-hedral, in which the Zn(II) atom is coordinated by two N atoms from the triazole rings of two symmetry-related 1,2-bis-(1,2,4-triazol-4-yl)ethane ligands and four O atoms from two nitrite ligands. Two Zn(II) atoms are bridged by two organic ligands, forming a centrosymmetric dimer. Weak C-H⋯N and C-H⋯O hydrogen bonds play an important role in the inter-molecular packing.

| S-EPMC2983239 | biostudies-literature

Crystal structure of trans-bis-(ethane-1,2-diamine-κ(2) N,N')bis-(thio-cyanato-κN)chromium(III) perchlorate from synchrotron data.

Project description:The structure of the title compound, [Cr(NCS)2(C2H8N2)2]ClO4, has been determined from synchroton data. The asymmetric unit consists of one half of a centrosymmetric Cr(III) complex cation and half of a perchlorate anion with the Cl atom on a twofold rotation axis. The Cr(III) ion is coordinated by the four N atoms of two ethane-1,2-di-amine (en) ligands in the equatorial plane and two N-bound thio-cyanate (NCS(-)) anions in a trans-axial arrangement, displaying a slightly distorted octa-hedral geometry with crystallographic inversion symmetry. The Cr-N(en) bond lengths are in the range 2.053 (16)-2.09 (2) Å, while the Cr-N(thio-cyanate) bond length is 1.983 (2) Å. The five-membered en rings are disordered over two sites, with occupancy ratios of 0.522 (16):0.478 (16). Each ClO4 (-) anion is disordered over two sites with equal occupancy. The crystal structure is stabilized by inter-molecular hydrogen bonds involving the en NH2 groups as donors and perchlorate O and thio-cyanate S atoms as acceptors.

| S-EPMC4459338 | biostudies-literature

Dichlorido{N-[1-(pyrazin-2-yl)ethyl-idene-κN]ethane-1,2-diamine-κN,N'}zinc.

Project description:The Zn(II) atom in the title complex, [ZnCl(2)(C(8)H(12)N(4))], is coordinated by two Cl atoms and three N atoms of the N-[1-(pyrazin-2-yl)ethyl-idene]ethane-1,2-diamine ligand, and displays a distorted square-pyramidal geometry with the apical position occupied by a Cl atom. In the crystal, inter-molecular N-H⋯Cl and C-H⋯Cl hydrogen bonds link the mol-ecules into a three-dimensional framework.

| S-EPMC3246976 | biostudies-literature

Ethyl-enediammonium tetra-kis({2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}nickel(II)) bis-(perchlorate) dimethyl-formamide monosolvate.

Project description:The title compound, (C(2)H(10)N(2))[Ni(C(16)H(14)N(2)O(2))](4)(ClO(4))(2)·C(3)H(7)NO, crystallizes with four Ni(salen) mol-ecules {salen is 2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolate}, one ethyl-enediammonium cation (actually two half-cations, each located on a center of inversion), two perchlorate anions and one dimethyl-formamide solvent mol-ecule in the asymmetric unit. Each Ni(II) cation in the Ni(salen) complex is four-coordinated by two imine N atoms and two phenolate O atoms from the tetra-dentate ligand. The Ni(salen) units form parallel slipped stacks with Ni?Ni separations of 3.4541?(4) and 3.6442?(6)?Å. The crystal packing is stabilized by inter-molecular hydrogen bonds between the ammonium H atoms and the perchlorate and salen O atoms, which generate a three-dimensional structure.

| S-EPMC2979541 | biostudies-literature

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