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Bis[(dimethyl-?-sulfanyl-idene)oxonium] hexa-bromidotellurate(IV) dimethyl sulfoxide disolvate.

ABSTRACT: The structure of the title salt, 2C(2)H(7)OS(+)·Br(6)Te(2-)·2C(2)H(6)OS, displays O-H?O hydrogen bonding between one protonated dimethyl sulfoxide mol-ecule and a neighboring dimethyl sulfoxide mol-ecule, and an octa-hedral geometry for the Te atom; the latter is situated on a center of inversion.

SUBMITTER: Rudd MD

PROVIDER: S-EPMC2961434 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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Bis(phenanthridinium) hexa-chloridoplatinate(IV) dimethyl sulfoxide disolvate.

Project description:The asymmetric unit of the title compound, (C(13)H(10)N)(2)[PtCl(6)]·2C(2)H(6)OS, contains one independent protonated phenanthridinium cation, half of a centrosymmetric [PtCl(6)](2-)anion and one dimethyl sulfoxide solvent mol-ecule. Intra-molecular N-H?O and inter-molecular C-H?Cl hydrogen-bonding inter-actions seem to be effective in the stabilization of the structure.

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Project description:In the title compound, C(4)H(5)N(3)OS(2)·2C(2)H(6)OS, the five-membered heterocyclic ring and the N-(C=O)-C plane of the acetamide group are essentially co-planar, with a dihedral angle of 1.25?(3)°. Inter-molecular N-H?O hydrogen bonds between the acetamide compound and the dimethyl sulfoxide mol-ecules stabilize the crystal structure. The two dimethyl sulfoxide mol-ecules are each disordered over two positions with occupancy ratios of 0.605?(2):0.395?(2) and 0.8629?(18):0.1371?(18).

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Poly[hexa-?-acetato-bis-(dimethyl sulfoxide)-trimanganese(II)].

Project description:In the title complex, [Mn(3)(CH(3)CO(2))(6)(C(2)H(6)SO)(2)](n), the Mn(II) ions exhibit similar MnO(6) octa-hedral coordination geometries but with different coordination environments. One type of Mn(II) ion is surrounded by five acetate groups and a terminal dimethyl sulfoxide group, while the other lies on a twofold axis and is coordinated by six O atoms from three symmetry-related acetate ions. The acetate anions exhibit three independent bridging modes, which flexibly bridge the Mn(II) ions along the c-axis direction, forming an infinite chain structure; the chains are further inter-connected through weak C-H?O and C-H?S hydrogen-bonding inter-actions.

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Bis(?-4-nitro-2-{[2-(oxidometh-yl)phen-yl]imino-meth-yl}phenolato)bis-[chlorido(dimethyl sulfoxide)-iron(III)] dimethyl sulfoxide disolvate.

Project description:In the centrosymmetric dimeric title complex, [Fe(2)(C(14)H(10)N(2)O(4))(2)Cl(2)(C(2)H(6)OS)(2)]·2C(2)H(6)OS, two {Fe(L)Cl(DMSO)} units (L is the tridentate ligand 4-nitro-2-{[2-(oxidometh-yl)phen-yl]imino-meth-yl}phenolate; DMSO is dimethyl sulfoxide) are bridged by two O atoms, with an Fe?Fe separation of 3.1838?(8)?Å. The coordination polyhedron of the Fe(III) atoms can be described as distorted octa-hedral, with four Fe-O, one Fe-N and one Fe-Cl coordination bonds. The L ligand is not planar, the dihedral angle between the 2-(oxidometh-yl)phen-yl]imino and 4-nitro-2-(imino-meth-yl)phenolate planes being 48.54?(9)°. The solvent DMSO molecule is disordered over two orientations with equal occupancy.

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Bis(dimethyl sulfoxide-?O)bis-(mercapto-acetato-?O,S)tin(IV).

Project description:In the title compound, [Sn(C(2)H(2)O(2)S)(2)(C(2)H(6)OS)(2)], the mercaptoacetato ligands chelate to Sn(IV) through S and one O atoms. The metal centre is also coordinated by two dimethyl sulfoxide (DMSO) ligands through the O atom, leading to an overall distorted octahedral coordination environment for the Sn(IV) atom. The mol-ecular adduct lies on a twofold rotation axis.

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Project description:The asymmetric unit of the title compound, (C(7)H(10)N)(2)[PtCl(6)], contains one independent protonated 2,6-dimethyl-pyridinium cation and half of a centrosymmetric [PtCl(6)](2-) anion. The Pt atom has an octa-hedral coordination. In the crystal structure, inter-molecular N-H⋯Cl and C-H⋯Cl hydrogen bonds result in the formation of a supra-molecular structure. There is a π-π contact between the pyridine rings [centroid-centroid distance = 4.235 (1) Å].

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trans-Bis(3-hy-droxy-pyridine-?N)diiodidoplatinum(II) dimethyl sulfoxide disolvate.

Project description:In the title compound, [PtI(2)(C(5)H(5)NO)(2)]·2(CH(3))(2)SO, the Pt(II) ion lies on an inversion center and is coordinated in a slightly distorted square-planar environment by two trans iodide ligands and two pyridine N atoms. In the crystal, complex mol-ecules and solvent dimethyl sulfoxide mol-ecules are linked by inter-molecular O-H?O hydrogen bonds.

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2,6-Bis(2,4-dimethyl-benzyl-idene)cyclo-hexa-none.

Project description:In the crystal structure of the title compound, C(24)H(6)O, the mol-ecule exhibits point symmetry m but the mirror plane is not utilized as part of the space-group symmetry. The structure contains face-to-face inter-actions between the 2,4-dimethyl-benzyl-idene substituents in which the methyl groups lie directly above the centroids of adjacent benzene rings.

| S-EPMC2979581 | biostudies-literature

Bis[4-hydr-oxy-N'-(4-meth-oxy-2-oxido-benzyl-idene-κO)benzohydrazidato-κO,N']cadmium(II) dimethyl sulfoxide disolvate.

Project description:The metal atom in the title compound, [Cd(C(15)H(13)N(2)O(4))(2)]·2C(2)H(6)OS, is twice O,N,O'-chelated by two symmetry-related Schiff base ligands to define a trans-N(2)O(4) octa-hedral geometry. Each anion occupies meridional sites of the octa-hedron; the metal atom lies on a special position of site symmetry 2. The dimethyl sulfoxide mol-ecule is a hydrogen-bond acceptor to the -NH- unit, and O-H⋯O hydrogen bonds link mol-ecules into a supra-molecular chain.

| S-EPMC2977592 | biostudies-literature

Erythromycin A dimethyl sulfoxide disolvate 1.43-hydrate.

Project description:The title compound, C(37)H(67)NO(13)·2C(2)H(6)OS·1.43H(2)O, is a macrolide anti-biotic with better solubility and better dermal penetration abilities than erythromycin A itself. The asymmetric unit of this form contains one erythromycin A mol-ecule, two dimethyl sulfoxide (DMSO) solvent mol-ecules, a fully occupied water mol-ecule and a partially occupied water mol-ecule with an occupancy factor of 0.432 (11). The 14-membered ring of the erythronolide fragment has a conformation which differs considerably from that in erythromycin A dihydrate [Stephenson, Stowell, Toma, Pfeiffer & Byrn (1997 ▶). J. Pharm. Sci.86, 1239-1244]. One of the two DMSO mol-ecules is disordered over two orientations; the orientation depends on the presence or absence of the second, partially occupied, water mol-ecule. In the crystal, erythromycin mol-ecules are connected by O-H⋯O hydrogen bonds involving the hy-droxy groups and the fully occupied water mol-ecule to form layers parallel to (010). These layers are connected along the b-axis direction only by a possible hydrogen-bonding contact involving the partially occupied water mol-ecule.

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