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Hexa-μ(2)-acetato-κO:O'-(azido-κN)bis-(methanol-κO)-μ(3)-oxido-trichromium(III) methanol monosolvate.

ABSTRACT: In the crystal structure of the title complex, [Cr(3)(CH(3)CO(2))(6)(N(3))O(CH(3)OH)(2)]·CH(3)OH, the trinuclear core has a central O atom; two methanol mol-ecules and an azide ion are coordinated to the Cr(III) atoms in the core. The three Cr(III) atoms form vertices of a nearly equilateral triangle. Each of the six acetate carboxyl-ate groups bridges a Cr-O-Cr fragment. In the crystal, the molecules inter-act with methanol solvent mol-ecules through O-H⋯O and O-H⋯N hydrogen bonds, forming a two-dimensional hydrogen-bonded network parallel to (100).

SUBMITTER: Jiang GQ

PROVIDER: S-EPMC3246918 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis(μ-2-methyl-quinolin-8-olato)-κN,O:O;κO:N,O-bis-[(acetato-κO)(methanol-κO)zinc(II)].

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| S-EPMC2977601 | biostudies-literature

Tetra-μ-acetato-κO:O'-bis-[(3-cyano-pyridine-κN)ruthenium(II,III)](Ru-Ru) hexa-fluoridophosphate 1,2-dichloro-ethane monosolvate.

Project description:The title compound, [Ru(2)(CH(3)CO(2))(4)(C(6)H(4)N(2))(2)]PF(6)·C(2)H(4)Cl(2), was obtained via a rapid substitution reaction in 2-propanol whereby 3-cyano-pyridine replaces the axial water mol-ecules in the diaquatetra-μ-acetato-diruthenium(II,III) hexa-fluorido-phosphate starting material. The product rapidly precipated and crystals were grown from 1,2-dichloro-ethane. The 1,2-dichloro-ethane mol-ecule of solvation exhibits disorder with two different orientations [occupancy ratio 0.51 (6):0.49 (6)]. All three parts, the cation, the anion and the disordered solvent mol-ecule lie on crystallographic inversion centers. The Ru-Ru bond length of 2.2702 (6) Å fits nicely into the range seen for similar complexes and correlates well with the reduction potential of the complex and donor strength of the axial ligand, 3-cyano-pyridine, as postulated in a previous study [Vamvounis et al. (2000 ▶). Inorg. Chim. Acta, 305, 87-98]. The 3-cyano-pyridine ligands orient themselves in an anti configuration with respect to each other and the Ru-Ru-N angle [174.27 (7)°] is close to being linear.

| S-EPMC3246975 | biostudies-literature

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| S-EPMC3051761 | biostudies-literature

Tetra-kis(μ-phenoxy-acetato-κO:O')bis-[(1,10-phenanthroline-κN,N')manganese(II)] methanol hemisolvate.

Project description:The title complex, [Mn(2)(C(8)H(7)O(3))(4)(C(12)H(8)N(2))(2)]·0.5CH(3)OH, is a carboxyl-ate-bridged dinuclear Mn(II) complex with four phenoxy-acetate ions and two 1,10-phenanthroline mol-ecules as ligands. Each of the four phenoxy-acetate anions bridges the pair of Mn atoms. The asymmetric unit is completed by a half-occupancy methanol solvent mol-ecule. Face-to-face π-π stacking inter-actions between the aromatic rings of 1,10-phenanthroline molecules belonging to adjacent Mn(2) complexes, with an inter-planar separation of circa 3.4 Å, and weak C-H⋯O hydrogen bonds connect the dinuclear units into a three-dimensional supra-molecular framework.

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Bis(chloro-acetato)-κO,O';κO-methanol-κO-bis-(2-methyl-furo[3,2-c]pyridine-κN)copper(II).

Project description:In the title compound, [Cu(C(2)H(2)ClO(2))(2)(C(8)H(7)NO)(2)(CH(4)O)], the Cu(2+) ion has a highly distorted square-bipyramidal (4 + 1 + 1) coordination environment and is bonded to three carboxyl-ate O atoms of two chloro-acetate anions (monodentate and asymmetrically bidentate), two pyridine N atoms of 2-methyl-furo[3,2-c]pyridine and one methanol O atom. There is an intra-molecular O-H⋯O hydrogen bond. Inter-molecular C-H⋯O hydrogen bonds result in the formation of a three-dimensional network and π-π stacking inter-actions [3.44-3.83 Å] are observed between symmetry-related rings of 2-methyl-furo[3,2-c]pyridine. Further inter-actions in the crystal structure are a short Cl⋯Cl inter-action [3.384 (2)Å] and C-H⋯π inter-actions between 2-methyl-furo[3,2-c]pyridine rings.

| S-EPMC2961079 | biostudies-literature

μ-Oxido-bis-[bis-(phenanthroline-κN,N')(sulfato-κO)iron(III)] octa-hydrate.

Project description:The title complex, [Fe(2)O(SO(4))(2)(C(12)H(8)N(2))(4)]·8H(2)O, contains two unique Fe(III) cations, one oxide anion, four 1,10-phenanthroline (phen) ligands, two coordinated sulfate anions and eight lattice water mol-ecules. Each Fe(III) ion has an approximate octa-hedral geometry, coordinated by four N atoms from two phen mol-ecules, two O atoms from oxide and sulfate anions, respectively. The parallel phen mol-ecules form two-dimensional supermolecules through π-π stacking inter-actions [centroid-centroid distances = 3.684 (3), 3.711 (3), 3.790 (3), 3.847 (3), 3.746 (3), 3.732 (3) and 3.729 (3) Å]. This architecture is further stabilized by O-H⋯O hydrogen bonds involving the lattice water mol-ecules and sulfate O atoms.

| S-EPMC3246986 | biostudies-literature

Octa-methyldi-μ(3)-oxido-bis-(μ(2)-thio-phene-3-acetato-κO:O')(thio-phene-3-acetato-κO)tetra-tin(IV).

Project description:In the centrosymmetric title compound, [Sn(4)(CH(3))(8)(C(6)H(5)O(2)S)(4)O(2)], the central four-membered planar ring (Sn(2)O(2)) makes dihedral angles of 66.28 (12) and 77.43 (11)° with the heterocyclic rings of the bridging and monodentate ligands, respectively. One Sn(IV) atom adopts a distorted SnO(3)C(2) trigonal-bipyramidal geometry, with both C atoms in equatorial sites and the other a grossly distorted SnO(4)C(2) octa-hedral or irregular arrangement. In the crystal, the mol-ecules are connected into pillar-like polymeric units making R(2) (2)(12) ring motifs due to inter-molecular C-H⋯O inter-actions. C-H⋯π inter-actions are also present. The O atoms of the chelating ligands and the S atom of the monodentate ligand are disordered over two sets of sites in a 0.65 (6):0.35 (6) ratio.

| S-EPMC2977640 | biostudies-literature

Hexa-μ(2)-acetato-κO:O'-μ(3)-oxido-tris-[aqua-chromium(III)] nitrate acetic acid solvate.

Project description:In the crystal structure of the title salt, [Cr(3)(C(2)H(3)O(2))(6)O(H(2)O)(3)]NO(3)·CH(3)CO(2)H, the trinuclear [Cr(3)(CH(3)CO(2))(6)O(H(2)O)(3)] cluster cation has an oxide O atom that is connected to three water-coordinated Cr(III) atoms, the three metal atoms forming the points of an equilateral triangle. Each of the six acetate carboxyl-ate groups bridges a Cr-O-Cr fragment. The cluster cation inter-acts with the nitrate counter-ion and solvent mol-ecules through O-H⋯O hydrogen bonds, forming a three-dimensional hydrogen-bonded network.

| S-EPMC2959480 | biostudies-literature

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