Complete mitochondrial genome of Pallas's Leaf Warbler ().

In the present study, the complete mitochondrial DNA sequence of Pallas's Leaf Warbler () was determined for the first time. The mitochondrial genome of Pallas's Leaf Warbler is a circular molecule of 16,880 bp in size and contains 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes and 2 control regions. The base composition is 32.

2,4-Dimethyl-anilinium chloride.

In the crystal structure of the title compound, C(8)H(12)N(+)·Cl(-), all H atoms bonded to the ammonium N atom are hydrogen bonded to the chloride ions, with N⋯Cl distances in the range 3.080 (2)-3.136 (2) Å, resulting in 16-membered macrocyclic rings involving four formula units of the title compound.

4-Methyl-morpholinium bromide.

The six-membered ring in the title salt, C(5)H(12)NO(+)·Br(-), has a chair conformation. In the crystal, the cations are linked to the anions by N-H⋯Br hydrogen bonds.

3,5-Dicarb-oxy-2,6-dimethyl-pyridinium chloride dihydrate.

In the title compound, C(9)H(10)NO(4) (+)·Cl(-)·2H(2)O, both the cation and the anion have crystallographic twofold rotation symmetry; in the former, one N and one C atom lie on the rotation axis. In the crystal structure, the ions and water mol-ecules are linked via O-H⋯O, O-H⋯Cl and N-H⋯Cl hydrogen bonds into layers parallel to (101).

Dimethyl 1-(2-cyano-benz-yl)-1H-pyrazole-3,5-dicarboxyl-ate.

In the mol-ecule of the title compound, C(15)H(13)N(3)O(4), the dihedral angle between the pyrazole and benzene rings is 79.89 (6)°. An intra-molecular C-H⋯O hydrogen bond is present.

Dimethyl 1-(3-cyano-benz-yl)-1H-pyrazole-3,5-dicarboxyl-ate.

In the mol-ecule of the title compound, C(15)H(13)N(3)O(4), the dihedral angle between the pyrazole and benzene ring planes is 67.7 (1)°. The crystal structure is stabilized by an intra-molecular C-H⋯O hydrogen bond and two weak inter-molecular C-H⋯O inter-actions.

5-Methyl-1-phenyl-1H-1,2,3-triazole-4-carboxylic acid.

The title compound, C(10)H(9)N(3)O(2), was synthesized from azido-benzene and ethyl acetyl-acetate. A pair of hydrogen bonds [2.617 (2) Å] inter-connects a pair of the carboxyl groups, forming an R(2) (2)(8) inversion dimer, a frequent motif in carboxylic acids.