In the title hydrated molecular salt, C(2)H(10)N(2) (2+)·2C(8)H(9)N(2)O(4) (-)·H(2)O, an intra-molecular O-H⋯O hydrogen bond occurs in the anion, forming an S(7) ring. The -CO(2) and -CO(2)H groups make dihedral angles of 3.2 (2) and 2.0 (3)°, respectively, with the five-membered ring. In the crystal, N-H⋯O, N-H⋯N and O-H⋯O hydrogen bonds lead to the formation of a three-dimensional supra-molec...

The title salt, C(16)H(24)N(4) (2+)·2C(7)H(7)O(3)S(-), crystallizes with the dication situated on an inversion center and the anion in a general position. The cation contains two ammonium and two free amine groups, and the observed conformation for the chain linking the benzene rings is different from that found in the free tetra-amine and in the fully protonated tetra-amine. All amine and ammo...

Pd-catalyzed aerobic oxidative coupling of arenes provides efficient access to biaryl compounds. The biaryl product forms via C-H activation of two arenes to afford a Pd(II)ArAr' intermediate, which then undergoes C-C reductive elimination. The key Pd(II)ArAr' intermediate could form via a "monometallic" pathway involving sequential C-H activation at a single Pd(II) center, or via a "bimetallic...

Although trifluoroacetate (TFA), a breakdown product of chlorofluorocarbon replacements, is being dispersed widely within the biosphere, its ecological fate is largely unknown. TFA was added experimentally to an upland, northern hardwood forest and to a small forest wetland ecosystem within the Hubbard Brook Experimental Forest in New Hampshire. Inputs of TFA were not transported conservatively...

The synthesis, infra-red, Raman and NMR spectra and crystal structure of 2, 4, 4-trimethyl4, 5-dihydro-3H-benzo [b] [1,4] diazepin-1-ium tetrachlorocadmate, [C12H17N2]2CdCl4 and benzene-1,2-diaminium decachlorotricadmate(II) [C6H10N2]2Cd3Cl10 are reported. The [C12H17N2]2CdCl4 compound crystallizes in the triclinic system ( space group) with Z = 2 and the following unit cell dimensions: a = 9.6...

New advances toward microstructural improvement of epitaxial CeO2 films grown by chemical solution deposition and their use as buffer layers for YBa2Cu3O7 (YBCO) films are presented. We demonstrate that the degree of epitaxy and the fraction of (001) atomically flat surface area are controlled by the incorporation of tetravalent (Zr) or trivalent (Gd) cations into the ceria lattice. The degree ...

In the title compound, C(6)H(18)N(2) (2+)·2C(9)H(3)Br(4)O(4) (-)·2CH(4)O, the carboxyl-ate and meth-oxy-carbonyl groups in one of the anions form dihedral angles of 71.9 (3) and 60.7 (3)°, respectively, with the aromatic ring while in the other anion these angles are 68.4 (3) and 56.8 (3)°, respectively. In the crystal, the constituent units are linked into a two-dimensional network parallel to...