In the title salt, [Ag(C(9)H(8)N(6))(2)]NO(3), the central Ag(I) atom is linearly coordinated by the N atoms [171.97 (8)°] from two 1-[(benzimidazol-1-yl)meth-yl]-1H-1,2,3,4-tetra-zole ligands. The benzimidazole rings in adjacent mol-ecules are parallel with an average inter-planar distance of 3.461 Å; adjacent mol-ecules are linked through N-H⋯O hydrogen bonds into a linear chain along the b-a...

In the title mol-ecular salt [systematic name: 2-methyl-pyridinium 5-(2,4-dinitro-phen-yl)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetra-hydro-pyrimidin-4-olate], C(6)H(8)N(+)·C(12)H(9)N(4)O(7) (-), the cation and anion are linked a through strong N-H⋯O hydrogen bond. In the crystal, C-H⋯O inter-actions link the ions, generating a chain along [010].

In the title mol-ecule, C(30)H(42)N(6)O(2), the amide-substituted N atoms of the tetra-zine ring deviate from the approximate plane of the four other atoms in the ring by 0.457 (3) and 0.463 (3) Å, forming a boat conformation. The two benzene rings form a dihedral angle of 47.69 (9)°. Intra-molecular N-H⋯N and weak C-H⋯O hydrogen bonds are observed.

In the mol-ecule of the title compound, C(10)H(9)Br(2)NO(3)S, the S atom is four-coordinated in distorted tetra-hedral configuration. The heterocyclic thia-zine ring adopts a twist conformation. An intra-molecular C-H⋯O hydrogen bond results in the formation of a non-planar five-membered ring. In the crystal structure, inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into infinite chain...

In the title mol-ecule, C(11)H(17)NO(3)S, the S atom has a distorted tetra-hedral geometry [maximum deviation: O-S-O = 119.08 (9)°]. In the crystal, mol-ecules are connected by inter-molecular N-H⋯O, O-H⋯O and C-H⋯O hydrogen bonds, forming layers of mol-ecules aligned parallel to (110). The 2-methyl-propan-1-ol group of the mol-ecule is disordered over two positions with an 0.592 (4):0.408 (4) ...

In the title compound, C(21)H(19)NO(7)S(2), the dihedral angles between the formyl-phenyl ring and the two meth-oxy-phenyl rings are 33.87 (9) and 41.00 (10)°. The S atoms have a distorted tetra-hedral geometry and the N atom shows a trigonally planar [r.m.s. deviation = 0.0437 (13) Å] coordination. The crystal structure is stabilized by inter-molecular C-H⋯O hydrogen bonds.

Two classes of novel tetra-iron substituted sandwich-type arsenotungastates (ATs) with supporting lanthanide (Ln) pendants KNa2 [Ln(H2O)7][Fe4(H2O)10(B-β-AsW9O33)2]·21H2O [Ln = La(III) (1), Pr(III) (2), Nd(III) ()3, Sm(III) (4)] and [Ln(H2O)8]2[Fe4(H2O)8(l-thr)2(B-β-AsW9O33)2]·20H2O [Ln = La(III) (5), Pr(III) ()6, Nd(III) (7), Sm(III) (8), Eu(III) (9), Gd(III) (10), Tb(III) (11), Dy(III) (12), ...

In the crystal structure of the title compound, CH(6)N(+)·C(9)H(3)Cl(4)O(4) (-), the N atom of the methyl-amine mol-ecule is protonated and hydrogen bonded to the carboxyl group of the 3,4,5,6-tetra-chloro-2-(meth-oxy-carbon-yl)benzoate anion. The anions are linked by the cations via inter-molecular N-H⋯O inter-actions into chains extending along the c axis.

In the title compound, C(37)H(30)N(4)O·C(4)H(8)O(2), the dihedral angle between the pyrazole and dihydro-pyrazole rings is 74.09 (10)°. In the crystal, the components are linked into centrosymmetric tetra-mers (two main mol-ecules and two solvent mol-ecules) by C-H⋯O hydrogen bonds. C-H⋯π and π-π [shortest centroid-centroid separation = 3.6546 (9) Å] inter-actions are also observed.

In title compound, [Cd(C(9)H(6)N(2)O(2)S)(C(12)H(8)N(2))](n), the Cd(II) atom is in a distorted tetra-gonal-pyramidal environment, coordinated by one chelating 1,10-phenanthroline ligand, one chelating 2-(1,3-benzimidazol-2-ylsulfan-yl)acetate (bia) ligand bound through one N atom and one O atom of the carboxyl group, and one N atom from a second bia ligand. Each bia ligand acts as bridge betwe...