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In the title complex, [Ir(C17H13N2)2(C5H7O2)], the IrIII atom is hexa­coordinated in a distorted octa­hedral geometry by two C,N-bidentate 2-(5-methyl-3-phenyl­pyrazin-2-yl)phenyl (mdpp) ligands and one O,O-bidentate acetyl­acetonate ligand. The dihedral angles between the phenyl rings and the pyrazine ring are 9.56 (14) and 58.99 (14)° for one mdpp ligand and 9.34 (14) and 79.94 (15)° for the other.

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In the title complex, [Ir(C16H9F2N2)2(C5H7O2)], the IrIII atom, lying on a twofold rotation axis, is hexa­coordinated in a distorted octa­hedral geometry by two C,N-bidentate 5-fluoro-2-[3-(4-fluoro­phen­yl)pyrazin-2-yl]phenyl ligands and one O,O′-bidentate acetyl­acetonate ligand. The dihedral angles between the benzene rings and the pyrazine ring are 14.66 (8) and 49.76 (12)°.

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In the title compound, C16H9Cl2N5O2, the folded mol­ecular conformation is characterized by a dihedral angle between the two benzene rings of 74.03 (5)°. An intra­molecular N—H...O hydrogen bond is observed between the H atom of the amide group and a nitro-group O atom. Inter­molecular C—H...O and N—H...N hydrogen bonds feature in the crystal packing.

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In the title compound, C8H5ClN2O, the quinazoline system is approximately planar with a maximum deviation from the least-squares plane of 0.034 (2) Å. In the crystal, classical N—H...O and weak non-classical C—H...N hydrogen bonds link the mol­ecules.

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In the title mol­ecule, C33H48N4O, the dihedral angle between the mean planes of the benzotriazole ring system [maximun deviation = 0.038 (2) Å] and the phenol ring is 16.6 (2)°. There is an intra­molecular O—H...N hydrogen bond between the phenol and benzotriazole groups.
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