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Tetra-ethyl-ammonium trichlorido(η-p-cymene)ruthenate(II).

ABSTRACT: In the title salt, [(C(2)H(5))(4)N][RuCl(3)(C(10)H(14))], the Ru(II) atom shows an octa-hedral coordination in which the aromatic ring of the p-cymene mol-ecule occupies three coordination positions.

SUBMITTER: Wu FH

PROVIDER: S-EPMC2971931 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1,3-Bis(thio-phen-2-ylmeth-yl)-3,4,5,6-tetra-hydro-pyrimidinium trichlorido(?-p-cymene)ruthenate(II).

Project description:The asymmetric unit of the title compound, (C(14)H(17)N(2)S(2))[Ru(C(10)H(14))Cl(3)], contains a 1,3-bis-(thio-phen-2-ylmeth-yl)-3,4,5,6-tetra-hydro-pyrimidinium cation and a trichlorido(?(6)-p-cymene)ruthenate(II) anion. The Ru atom exhibits a distorted octa-hedral coordination with the benzene ring of the p-cymene ligand formally occupying three sites and three chloride atoms occupying the other three sites. The N-C bond lengths of the N-C-N unit of the pyrimidinium cation are shorter than the average single C-N bond length of 1.48?Å, thus showing double-bond character, indicating a partial electron delocalization within the N-C-N fragment. The pyrimidine ring has an envelope conformation. Four inter-molecular C-H?Cl hydrogen bonds generate a three-dimensional hydrogen-bonded framework.

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1,3-Bis(2-thienylmeth-yl)-4,5-dihydro-imidazolium trichlorido(?-p-cymene)ruthenate(II).

Project description:The asymmetric unit of the title compound, (C(13)H(15)N(2)S(2))[RuCl(3)(C(10)H(14))], contains a 1,3-(2-thienylmeth-yl)-4,5-dihydro-imidazolium cation and a trichlorido(?(6)-p-cymene)ruthenate(II) anion. The thio-phene rings of the cation are disordered by an 180° rotation about the thio-phene-CH(2) bonds with occupancies of 0.847?(5)/0.153?(5) and 0.700?(5)/0.300?(5), respectively. The Ru atom exhibits a distorted octa-hedral coordination with the benzene ring of the p-cymene ligand formally occupying three sites and three Cl atoms occupying the other three sites. The short C-N bond lengths in the imidazoline ring indicate partial electron delocalization within the N-C-N fragment. Cation and anions are connected through five inter-molecular C-H?Cl hydrogen bonds and one C-H?? hydrogen bond, forming a three-dimensional hydrogen-bonded network.

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Tetra-ethyl-ammonium trichlorido(N,N'-di-methyl-formamide-?O)zinc.

Project description:The title complex salt, (C8H20N)[ZnCl3(C3H7NO)], contains one [Et4N](+) cation (Et is ethyl) and one [ZnCl3(DMF)](-) anion (DMF is di-methyl-formamide). In the anion, the zinc atom is tetra-hedrally coordinated by a DMF ligand via the O atom and by three terminal Cl atoms. The average Zn-Cl bond length and Cl-Zn-Cl angle are 2.243?(11)?Å and 114?(3)°, respectively.

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Bis(2-phenyl-ethyl-ammonium) tetra-chloridocobaltate(II).

Project description:Crystals of the title compound, (C(6)H(5)CH(2)CH(2)NH(3))(2)[CoCl(4)], were grown by the solvent-evaporation method. This inorganic-organic hybrid compound exhibits a layered structure in which isolated CoCl(4) inorganic layers alternate with bilayers of phenylethylammonium cations. Although the inorganic anion is zero-dimensional, the layered structure is stabilized via N-H?Cl hydrogen bonds. The CoCl(4) tetra-hedra connect to the cations through N-H?Cl hydrogen bonds, building a two-dimensional network extending parallel to (010).

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(?-p-Cymene)bis-(trichlorido-stannyl)(triethoxy-phosphine-?P)ruthenium(II).

Project description:In the title complex, [RuSn(2)(C(10)H(14))Cl(6)(C(6)H(15)O(3)P)], the Ru-Sn bond lengths [2.5619?(3) and 2.5669?(3)?Å] are about 0.3?Å shorter than the sum of the covalent Ru and Sn radii (1.46 + 1.39 = 2.85?Å), in line with other structurally characterized arene ruthenium trichlorido-stannyl derivatives. The Ru(II) atom is surrounded by a para-cymene, a triethylphosphite and two trichloridostannyl ligands in a typical piano-stool coordination.

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Project description:In the title compound, C(8)H(20)N(+)·CHO(3) (-)·3H(2)O, the bicarbon-ate anion, which has a small mean deviation from the plane of 0.0014?Å, fully utilises its three O and one H atom to form various O-H?O hydrogen bonds with the three water mol-ecules in the asymmetric unit, generating a hydrogen-bonded layer, which extends along (10[Formula: see text]). The tetra-ethyl-ammonium cations, as the guest species, are accommodated between every two neighboring layers, constructing a sandwich-like structure with an inter-layer distance of 7.28?Å.

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Tetra-methyl-ammonium aqua-trichlorido-oxalatostannate(IV) monohydrate.

Project description:The Sn(IV) atom in the title compound, [(CH(3))(4)N][Sn(C(2)O(4))Cl(3)(H(2)O)]·H(2)O, obtained from the reaction between SnCl(4) and [(CH(3))(4)N](2)C(2)O(4)·2H(2)O, is six-coordinated by three Cl atoms, an O atom of a water mol-ecule and two O atoms from an asymmetrically chelating oxalate anion. The environment around the Sn(IV) atom is distorted octa-hedral. The anions are connected by the lattice water mol-ecule through O-H?O hydrogen bonds, leading to a layered structure parallel to (010). The cations are located between these layers and besides Coulombic forces are connected to the anionic layers through weak C-H?O and C-H?Cl inter-actions.

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Tetra-ethyl-ammonium l-tartarate dihydrate.

Project description:In the crystal structure of the title compound, C(8)H(20)N(+)·C(4)H(5)O(6) (-)·2H(2)O, the ions and water mol-ecules are linked via O-H⋯O and C-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (001).

| S-EPMC2960025 | biostudies-literature

Ammonium tris-(tetra-ethyl-ammonium) hexa-cosa-oxidoocta-molybdate.

Project description:The structure of the title compound, NH(4)(C(8)H(20)N)(3)[Mo(8)O(26)], is built up by discrete cations and anions, with two formula units in the asymmetric unit. The ?-octa-molybdate anions are linked to the ammonium cations via N-H?O hydrogen bonding involving terminal oxide groups and to the tetra-ethyl-ammonium cations via weak C-H?O inter-actions.

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A polymorph of tetra-ethyl-ammonium chloride.

Project description:The structure of the title compound, C(8)H(20)N(+)·Cl(-), is compared with a polymorph that was described earlier in the same space group. Differences in the conformations of the ethyl groups of the cation exist between the polymorphs. This study is given here in order to provide additional unit-cell data for use in qualitative identification of crystalline samples obtained in syntheses in which Et(4)N(+)·Cl(-) is either used or generated.

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