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Journal logoIUCrDATA
ISSN: 2414-3146

May 2019 issue

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Cover illustration: 2,3-Di­chloro-3',4'-di­hydroxy­biphen­yl [systematic name: 4-(2,3-dichlorophenyl)benzene-1,2-diol] is a putative di­hydroxy­lated metabolite of 2,3-di­chloro­biphenyl (PCB 5). The dihedral angle between the least-squares planes of the two benzene rings, an important determinant of the three-dimensional structure of PCB derivatives, is 59.39 (8)°. See: Dhakal, Parkin & Lehmler [IUCrData (2019). 4, x190662].

inorganic compounds


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Localization of the hydrogen atoms revealed intra- and inter­layer hydrogen-bonding inter­actions in the crystal structure of BaTeO3(H2O).

metal-organic compounds


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The organic–inorganic hybrid salt, [Na(C8H12BO6)]n, is made up from a bis­(2-methyl­lactato)borate anion and a sodium cation.

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The structure of a new μ-carbonyl-bis­{carbonyl [η5:(η6:2-methyl­inden­yl)chromium]rhodium(III)} complex was resolved by single-crystal X-ray diffraction analysis in the P21/c space group.

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In the title MOF, the three-dimensional architecture is derived from the presence of a tetra-negative carboxyl­ate ligand binding six ZnII atoms.

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In the title complex, the central CuII ion is five-coordinate and displays a distorted trigonal-bipyramidal geometry.

organic compounds


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In the crystal of the title salt, the anions are linked into a chain structure via an O—H⋯O hydrogen bond formed between the carb­oxy and sulfonate groups. The cations bridge the anion chains via N—H⋯O and C—H⋯O hydrogen bonds, forming a sheet parallel to the ab plane.

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The structure of the title compound confirms the relative stereochemistry.

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In the title mol­ecule, the quinolinol unit is planar. In the crystal, O—H⋯N and O—H⋯S hydrogen bonds together with π-stacking inter­actions form layers parallel to [100] that are associated through C—H⋯O hydrogen bonds.

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The title compound was obtained by mixing ethyl­amine and oxalic acid in water, in 1:1 molar ratio. In the crystal, the hydrogen oxalate anions are organized through hydrogen bonding into chains propagating along the c-axis direction. The surrounding cations and oxalic acid mol­ecules are linked to the chains by N—H⋯O and O—H⋯O hydrogen bonds and N⋯O dipole–dipole contacts, leading to a supra­molecular three-dimensional network.

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The synthesis and structures of 2-amino-5,5-di­methyl­thia­zol-4(5H)-one is presented. The mol­ecular packing exhibits a herringbone pattern with the zigzag running along the b-axis direction.

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In the crystal of the title amidoxime derivative, a short NO2⋯NO2 contact is seen.

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The mol­ecular and crystal structure of 2,3-di­chloro-3′,4′-di­hydroxy­biphenyl, a putative di­hydroxy­lated metabolite of 2,3-di­chloro­biphenyl (PCB 5), is reported.

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The crystal structure of 2,4,5-tri­amino-1,6-di­hydro­pyrimidin-6-one sulfate monohydrate has been elucidated.

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The asymmetric unit of the title salt, (C12H28N)2[SO4]·3H2O, contains two n-do­decyl­ammonium cations, one sulfate anion and three water mol­ecules. In the crystal, N—H⋯O hydrogen bonds link the cations and anions into layers parallel to (100). These layers are further connected through O—H⋯O hydrogen-bonding inter­actions involving the sulfate ions and the isolated water mol­ecules.

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The synthesis and structure of a tridentate pincer ligand bearing SCS donor atoms are reported.
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