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M-Phenyl-enediamine.

ABSTRACT: In the title compound, C(6)H(8)N(2), there are four mol-ecules in the asymmetric unit, with each mol-ecule, including the H atoms on the N atoms of the amino groups, showing local C2 symmetry. In the crystal structure, all except one of the NH(2) groups participate in N-H?O hydrogen bonding. The identified hydrogen bonds furnish a three-dimensional network. N-H?? contacts are observed with H?? distances ranging from 2.516?(17) to 2.815?(16)?Å. No ?-stacking of the aromatic rings is observed.

SUBMITTER: Betz R

PROVIDER: S-EPMC2960132 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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m-Phenyl-enediamine.

Betz Richard R Klüfers Peter P Mayer Peter P

Acta crystallographica. Section E, Structure reports online 20081129 Pt 12

In the title compound, C(6)H(8)N(2), there are four mol-ecules in the asymmetric unit, with each mol-ecule, including the H atoms on the N atoms of the amino groups, showing local C2 symmetry. In the crystal structure, all except one of the NH(2) groups participate in N-H⋯O hydrogen bonding. The identified hydrogen bonds furnish a three-dimensional network. N-H⋯π contacts are observed with H⋯π distances ranging from 2.516 (17) to 2.815 (16) Å. No π-stacking of the aromatic rings is observed. ...[more]

PMID: 21581461

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Diaqua-bis(ethyl-enediamine-κN,N')copper(II) bis-(4-phenyl-benzoate) 2.66-hydrate.

Project description:In the title complex, [Cu(C(2)H(8)N(2))(2)(H(2)O)(2)](C(13)H(9)O(2))(2)·2.66H(2)O, the Cu(II) centre (located at an inversion centre) is coordinated by two bidentate ethyl-enediamine (en) ligands and two water O atoms in a typical Jahn-Teller distorted octahedral geometry. The amino groups and the water mol-ecules are disordered over two distinct crystallographic positions with occupancies of 1/3 and 2/3. In the crystal, the cations and anions are disposed in alternating layers. One of the water mol-ecules of crystallization is disordered and the other has a fractional occupation. In the 2/3 occupancy component, water mol-ecules are organized into a chain composed of hexa-meric units inter-connected by carboxyl-ate bridges.

| S-EPMC2979460 | biostudies-literature

Resorcinol-triethyl-enediamine (1/1).

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Tris(ethyl-enediamine)cobalt(II) sulfate.

Project description:The structure of the title compound, [Co(II)(C(2)H(8)N(2))(3)]SO(4), the cobalt example of [M(C(2)H(8)N(2))(3)]SO(4), is reported. The Co and S atoms are located at the 2d and 2c Wyckoff sites (point symmetry 32), respectively. The Co atom is coordinated by six N atoms of three chelating ethyl-enediamine mol-ecules generated from half of the ethyl-enediamine mol-ecule in the asymmetric unit. The O atoms of the sulfate anion are disordered mostly over two crystallographic sites. The third disorder site of O (site symmetry 3) has a site occupancy approaching zero. The H atoms of the ethyl-enediamine mol-ecules inter-act with the sulfate anions via inter-molecular N-H?O hydrogen-bonding inter-actions.

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Tris(ethyl-enediamine)manganese(II) sulfate.

Project description:In the title compound, [Mn(C(2)H(8)N(2))(3)]SO(4), the metal atom (site symmetry 3.2) is coordinated by six N atoms from three ethyl-enediamine (en) ligands in a slightly distorted octa-hedral geometry. The en ligands are generated from one half-mol-ecule in the asymmetric unit. The O atoms of the sulfate anion (S site symmetry 3.2) are disordered over four orientations in a 0.220 (12):0.210 (13):0.203 (14):0.10 (2) ratio, with one of the O atoms having site symmetry 3. In the crystal, the ions are connected by N-H⋯O hydrogen bonds, forming a three-dimensional network.

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Tris(ethyl-enediamine)zinc(II) dichloride monohydrate.

Project description:The asymmetric unit of the title compound, [Zn(C(2)H(8)N(2))(3)]Cl(2)·H(2)O, contains a discrete [Zn(C(2)H(8)N(2))(3)](2+) cation with a distorted octa-hedral geometry around Zn, two uncoordinated chloride ions and one water mol-ecule. The crystal structure exhibits N-H⋯O, N-H⋯Cl and O-H⋯O hydrogen bonds.

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N,N'-Di-p-tolyl-ethyl-enediamine.

Project description:The asymmetric unit of the title compound, C(16)H(20)N(2), contains two independent mol-ecules. The rings in each mol-ecule are oriented at dihedral angles of 78.94 (3) and 77.76 (3)°.

| S-EPMC2915204 | biostudies-literature

Tris(ethyl-enediamine)-cobalt(III) diformatodioxalatoindate(III) dihydrate.

Project description:In the cation of the title compound, [Co(C(2)H(8)N(2))(3)][In(C(2)O(4))(2)(CHO(2))(2)]·2H(2)O, the Co-N bond lengths lie in the range 1.960?(5)-1.997?(5)?Å. In the anion, the In(III) atom is coordin-ated by four O atoms from two oxalato ligands and two O atoms from two formato ligands in a distorted octa-hedral geometry. Inter-molecular O-H?O and N-H?O hydrogen bonds form an extensive hydrogen-bonding network, which link the cations, anions and water mol-ecules into three-dimensional structure.

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Tris(ethyl-enediamine)zinc(II) hexa-fluorido-silicate.

Project description:The title compound, [Zn(C(2)H(8)N(2))(3)](SiF(6)), was synthesized ionothermally using choline chloride-imidazolidone as solvent and template provider. In the crystal structure, the anions and cations are located on special positions of site symmetry 3.2 and show a typical octa-hedral geometry. The Zn(II) ion is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The crystal structure displays weak hydrogen bonding between [SiF(6)](2-) anions and the ethyl-enediamine NH hydrogen atoms.

| S-EPMC2972015 | biostudies-literature

catena-Poly[[bis-(ethyl-enediamine)copper(II)]-?-sulfato].

Project description:In the title compound, [Cu(SO(4))(C(2)H(8)N(2))(2)](n), the Cu, S and two O atoms lie on a mirror plane. The Cu atom is in a distorted octa-hedral environment and the ethyl-enediamine ligand is in a gauche conformation. The sulfate dianion is bridging, forming a one-dimensional chain. A two-dimensional net parallel to (001) is generated by N-H?O hydrogen bonding between the chains.

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[N-(2-Hydroxy-ethyl)ethyl-enediamine]oxalatocopper(II).

Project description:In the title mononuclear copper(II) compound, [Cu(C(2)O(4))(C(4)H(12)N(2)O)], the Cu(II) ion has a slightly distorted square-pyramidal geometry, with a tridentate N-(2-hydroxy-ethyl)ethyl-enediamine (HydEt-en) and a bidentate oxalate (ox) ligand. The N atoms of the HydEt-en ligand and the O atoms of ox ligand form the basal plane, while the O atom of the ethanol group of the HydEt-en ligand is located in the axial position. The complex mol-ecules participate in a supra-molecular assembly through N-H⋯O and O-H⋯O hydrogen bonds between HydEt-en and ox ligands.

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