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Hexa-kis-(N,N'-dimethyl-thio-urea-?S)nickel(II) nitrate.

ABSTRACT: The title complex salt, [Ni(C(3)H(8)N(2)S)(6)](NO(3))(2), consists of an [Ni(Dmtu)(6)](2+) (Dmtu is N,N'-dimethyl-thio-urea) dication and two nitrate counter-anions. The Ni(II) atom (site symmetry ) is coordinated by the S atoms of six Dmtu ligands within a slightly distorted octa-hedral environment. The crystal structure is characterized by weak intra-molecular N-H?S inter-actions and by inter-molecular N-H?O hydrogen bonds involving the nitrate anion (site symmetry 3.). These inter-molecular inter-actions lead to the formation of two-dimensional networks lying parallel to the ab plane. The networks are linked via non-classical inter-molecular C-H?O hydrogen bonds, forming a three-dimensional arrangement.

SUBMITTER: Asif I

PROVIDER: S-EPMC3009254 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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Hexa-kis-(N,N'-dimethyl-thio-urea-κS)nickel(II) nitrate.

Asif Iram I Mahmood Rashid R Stoeckli-Evans Helen H Mateen Muhammad M Ahmad Saeed S

Acta crystallographica. Section E, Structure reports online 20101013 Pt 11

The title complex salt, [Ni(C(3)H(8)N(2)S)(6)](NO(3))(2), consists of an [Ni(Dmtu)(6)](2+) (Dmtu is N,N'-dimethyl-thio-urea) dication and two nitrate counter-anions. The Ni(II) atom (site symmetry ) is coordinated by the S atoms of six Dmtu ligands within a slightly distorted octa-hedral environment. The crystal structure is characterized by weak intra-molecular N-H⋯S inter-actions and by inter-molecular N-H⋯O hydrogen bonds involving the nitrate anion (site symmetry 3.). These inter-molecular i ...[more]

PMID: 21588829

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Hexa-kis-(thio-urea-?S)nickel(II) nitrate: a redetermination.

Project description:A preliminary X-ray study of the title mol-ecular salt, [Ni(CH(4)N(2)S)(6)](NO(3))(2), has been reported twice previously, by Ma?ar [Acta Cryst. (1961), 14, 894] and Rodriguez, Cubero, Vega, Morente & Vazquez [Acta Cryst. (1961), 14, 1101], using film methods. We confirm the previous studies, but to modern standards of precision and with all H atoms located. The central Ni atom (site symmetry ) of the dication is octa-hedrally coordinated by six S-bound thio-urea mol-ecules. The crystal structure is stabilized by intra- and inter-molecular N-H?S and N-H?O hydrogen bonds.

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Hexa-kis-(dimethyl-formamide-?O)manganese(II) (dimethyl-formamide-?O)pentakis(-thio-cyanato--?N)chromate(III).

Project description:The title compound, [Mn(C(3)H(7)NO)(6)][Cr(NCS)(5)(C(3)H(7)NO)], was obtained unintentionally as a product of an attempted synthesis of heterometallic complexes based on Reineckes anion using manganese powder, Reineckes salt and 1-(2-hy-droxy-eth-yl)tetra-zole as starting materials. The crystal structure of the complex consists of an [Mn(dmf)(6)](2+) cation and a [Cr(NCS)(5)(dmf)](2-) anion (dmf = dimethyl-formamide). The Mn(II) and Cr(III) atoms show a slightly distorted octa-hedral MnO(6) and CrN(5)O coordination geometries with adjacent angles in the range 85.29?(13)-95.96?(14)°.

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Hexa-kis-(μ(3)-1-methyl-thio-urea-κ(3)S:S:S)hexa-kis-[iodidocopper(I)].

Project description:The title compound, [Cu(6)I(6)(C(2)H(6)N(2)S)(6)], was obtained from the reaction of copper(I) iodide with N-methyl-thio-urea (Metu) in equimolar amounts in acetonitile. The complex consists of two six-membered trinuclear Cu(3)S(3)I(3) cores that combine through triply bridging Metu, forming a hexa-nuclear core which has -3 symmetry. The Cu(II) atom is coordinated by three S atoms of Metu and one iodide ion in a distorted tetra-hedral geometry. The crystal structure is stabilized by N-H⋯I hydrogen bonds and cuprophilic inter-actions [Cu⋯Cu = 3.0264 (9) Å].

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Project description:The title complex, [NiCl(2)(CH(4)N(2)S)(2)], has been synthesized from the previously reported (diamino-methyl-idene)sulfonium chloride-thio-urea (3/2) salt [Zouihri (2012b ?). Acta Cryst. E68, o257]. The Ni(II) ion is coordinated in a distorted tetra-hedral geometry by two mol-ecules of thio-urea [Ni-S = 2.3079?(7) and 2.3177?(6)?Å] and two chloride anions [Ni-Cl = 2.2516?(7) and 2.2726?(7)?Å]. The bond angles at the Ni atom lie between 96.69?(2) and 115.40?(3)°, while the dihedral angle between the mean planes of the two thio-urea ligands is 6.36?(15)°. The crystal structure is characterized by intra- and inter-molecular N-H?Cl hydrogen bonds, which lead to the formation of two-dimensional networks lying parallel to the ab plane. The networks are linked via classical N-H?Cl and N-H?S hydrogen bonds, forming a three-dimensional arrangement.

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Project description:The reaction of NiCl(2)·6H(2)O with sodium 2,2-dicyano-ethene-1,1-dithiol-ate [Na(2)(i-mnt)] in dimethyl sulfoxide produces the title complex, [Ni(C(2)H(6)OS)(6)][Ni(C(4)N(2)S(2))(2)]. There is half each of an [Ni(C(2)H(6)OS)(6)](2-) complex anion and an [Ni{(CH(3))(2)SO}(6)](2+) complex cation in the asymmetric unit. The i-mnt ligand coordinates in a bidentate manner to the Ni atom in the anion through the two chelating S atoms in an approximate square-planar geometry. The Ni atom in the complex cation has an octahedral coordination environment with six dimethyl sulfoxide mol-ecules as ligands.

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Hexa-kis-(dimethyl sulfoxide-?O)zinc(II) poly-iodide.

Project description:The title compound, [Zn{(CH3)2SO}6]I4, is a one-dimensional supra-molecular polymer along a threefold rotation axis of the space group. It is built up from discrete [Zn{(CH3)2SO}6](2+) units connected through non-classical hydrogen bonds to linear I4 (2-) polyiodide anions (C-H?I = 3.168?Å). The Zn(II) ion in the cation has an octa-hedral coordination geometry, with all six Zn-O bond lengths being equivalent, at 2.111?(4)?Å. The linear polyiodide anion contains a neutral I2 mol-ecule weakly coordinated to two iodide ions.

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Tris[4-(dimethyl-amino)-pyridinium] hexa-kis-(thio-cyanato-?N)ferrate(III) monohydrate.

Project description:In the title compound, (C7H11N2)3[Fe(NCS)6]·H2O, the Fe(III) cation is coordinated by six terminal N-bonded thio-cyanate anions into a discrete threefold negatively charged complex. Charge balance is achieved by three protonated 4-(dimethyl-amino)-pyridine cations. The asymmetric unit consists of one Fe(III) cation, six thio-cyanate anions, three 4-(dimethyl-amino)-pyridinium cations and one water mol-ecule, all of them located in general positions.

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Tetra-kis(pyridazine-?N)bis-(thio-cyanato-?N)nickel(II) pyridazine disolvate.

Project description:The reaction of nickel(II) thio-cyanate with an excess of pyridazine leads to single crystals of the title compound, [Ni(NCS)(2)(C(4)H(4)N(2))(4)]·2C(4)H(4)N(2). The Ni(II) cations are coordinated by two terminal N-bonded thio-cyanate anions (trans) and four pyridazine ligands in a slightly distorted octa-hedral geometry. The discrete complexes are arranged into layers parallel to the ab plane which are separated by additional non-coordinated pyridazine ligands.

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Bis(cyanato-κN)tetra-kis-(2,6-dimethyl-pyrazine-κN(4))nickel(II).

Project description:Reaction of nickel(II) chloride with sodium cyanate and 2,6-di-methyl-pyrazine leads to single crystals of the title com-pound, [Ni(NCO)(2)(C(6)H(8)N(2))(4)]. The nickel(II) cation is located about a centre of inversion and is octa-hedrally coordinated by two cyanate anions and four 2,6-dimethyl-pyrazine ligands, forming discrete complexes.

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Hexa-kis-(dimethyl-formamide-κO)manganese(II) μ-oxido-bis-[trichlorido-ferrate(III)].

Project description:The title compound, [Mn(C(3)H(7)NO)(6)][Fe(2)Cl(6)O], was obtained unintentionally as a product of an attempted synthesis of heterometallic complexes with Schiff base ligands using manganese powder and FeCl(3)·6H(2)O as starting materials. In the [Fe(2)OCl(6)](2-) anion, the O atom and the Fe atom occupy positions with site symmetry [Formula: see text] and 3, respectively, resulting in a linear Fe-O-Fe angle and a staggered conformation. The octa-hedrally surrounded cation (site symmetry [Formula: see text]) and the [Fe(2)Cl(6)O](2-) anion are alternately stacked along [001].

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