inorganic compounds
(NH4)2Zn(H2P2O7)2·2H2O is isostructural with its manganese homologue. Isolated almost-regular ZnO6 octahedra form a layered structure. The IR and Raman spectra show bands characteristic of H2P2O7 groups.
inorganic compounds
Diammonium cobalt(II) dihydrogendiphosphate(V) dihydrate is a member of the isotypic series (NH4)2T(H2P2O7)2·2H2O (T = Mn, Ni or Zn). Isolated almost-regular CoO6 octahedra form a layered structure. The IR spectrum shows bands characteristic of H2P2O7 groups.
inorganic compounds
Diammonium nickel(II) dihydrogendiphosphate(V) dihydrate is a member of the isotypic series (NH4)2T(H2P2O7)2·2H2O (T = Mn, Co or Zn). Isolated almost-regular NiO6 octahedra form a layered structure. The Raman spectrum shows bands characteristic of H2P2O7 groups.
metal-organic compounds
The structure of the title compound, μ-formato-bis{μ-N,N′-bis[1-(2-oxidophenyl)ethyl]-2-hydroxy-1,3-propanediamine}bis[(N,N-dimethylformamide)nickel(II)] N,N-dimethylformamide disolvate, [Ni3(CHO2)2(C19H24N2O3)2(C3H7NO)2]·2C3H7NO, comprises a centrosymmetric linear homotrinuclear nickel(II) complex. The central and terminal nickel(II) atoms have distorted octahedral coordination geometries.
metal-organic compounds
The neutral complex trans-[VOCl2(H2O)2] co-crystallizes with di-2-pyridylamine hydrochloride to provide the title compound, (C10H10N3)2[VCl2O(H2O)2]Cl2. The V-bound aqua ligands form two hydrogen bonds each. The amine functionality of the 2-(2-pyridylamino)pyridinium cation participates as a monovalent donor in the hydrogen bonding. In both instances, interstitial Cl- ions serve as hydrogen-bond acceptors. The three hydrogen bonds that are formed per anion give rise to one-dimensional chains along [100].
organic compounds
In the title compound, C10H5Cl4NS2, the CCl3 group is displaced by 78.4 (4)° from the thiazole plane. The torsion angle between the heterocyclic core and the 4-chlorophenyl substituent is -7.0 (6)°.
organic compounds
A Z arrangement of substituents about the carboxylate C-O bond causes a syn positioning of the carbonyl O atom and the heterocyclic part of the title compound, C18H15NO3S. The carboxylate entity is inclined by -28.1 (3)° to the phenyl group. The planes of the thiazol-2(3H)-thione subunit and the carboxylate group are orthogonally arranged.
organic compounds
The geometry of the title compound, C5H7NOS2·0.5H2O, is characterized by a planar N,S-heterocyclic core that is distorted from a regular pentagon. Solvent water participates in non-chelated hydrogen bonds and acts as a twofold donor (O—HS=C) and a twofold acceptor [OH—O(—N)].
organic compounds
The molecules of the title compound, C11H11NOS2, form hydrogen-bonded dimers in the solid state. The amide H atom serves as hydrogen-bond donor and the thiocarbonyl S atom of a neighbouring molecule serves as acceptor. The p-methoxyphenyl substituent is tilted by 7.3 (5)° from the thiazole-2(3H)-thione plane.
metal-organic compounds
The title mononuclear complex, [Ni(C2H3O2)2(C3H4N2)4], has been prepared and characterized by X-ray structure analysis. The molecule contains a six-coordinate NiII atom displaying distorted octahedral coordination geometry defined by the four pyrazole N atoms in the equatorial plane and two O atoms of the carboxylate groups in trans-apical positions. The Ni—N(pyrazole) distances range from 2.074 (2) to 2.097 (2) Å and the Ni—O(acetate) distances are 2.060 (2) and 2.072 (2) Å.
organic compounds
In the title compound, C11H14O2, the tetrahydropyran ring adopts a 1C4 conformation, with the phenyl and the hydroxy substituents located in equatorial positions. Hydrogen bonding occurs in the solid state between hydroxy groups to link two molecules of (R,R)-trans-4-phenylperhydropyran-3-ol and two molecules of the (S,S)-enantiomer to provide tetramers.
organic compounds
The title compound, C12H12O2S2, is a chiral O,S-dialkyl dithiocarbonate. The O-ethyl substituent and the dithiocarbonate functionality form a plane, which is twisted by 60.7 (2)° from the S-(3-oxoindan-1-yl) group.
organic compounds
The title compound, C14H18BrFO, is a hexasubstituted tetrahydropyran with two halogen atoms attached in β and four C substituents in α positions with respect to the ether O atom. The CC distance [3.183 (7) Å] between the two 1,3-diaxially oriented α-methyl groups falls below the sum of the van der Waals radii. The magnitude of the bond angle at oxygen [122.6 (3)°] and a comparatively small displacement of this atom [0.490 (5) Å] from the mean plane of four C atoms of the tetrahydropyran ring indicate a marked flattening of the heterocyclic ring in its 1C4 conformation.
organic compounds
The stereogenic centre in the title compound, C14H19NO4S2, is substituted with a dithiocarbonate, an ethyloximino and a 3,4-dimethoxyphenyl group, as well as an H atom. Tandem hydrogen-bonding occurs between enantiomers to produce dimers, in which the oxime H atom serves as donor toward the oxime N atom of an adjacent molecule.
organic compounds
In the title compound, C18H10Cl2N2S4, a 1,2-substituted disulfane, the torsion angle between the p-chlorophenyl and the 1,3-thiazole rings is -2.0 (6)° for the group attached to the the first disulfane S atom, and 14.6 (7)° for the substitutent located at the second.
organic compounds
The asymmetric unit of the title compound, C18H10Cl2N2S4, consists of one full molecule and two half molecules, which are completed by twofold rotation symmetry.