RESUMO
In the title compound, C(16)H(16)N(2)O(4)·H(2)O, the dihedral angle between the two aromatic rings is 19.6â (2)°. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular N-Hâ¯O, O-Hâ¯N and O-Hâ¯O hydrogen bonds.
RESUMO
In the title compound, C(16)H(15)BrN(2)O(5)·2H(2)O, the dihedral angle between the two aromatic rings is 2.9â (2)° and an intra-molecular O-Hâ¯N hydrogen bond is observed. One of the water mol-ecule is disordered over two positions, with occupancies of 0.83â (3) and 0.17â (3). In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular O-Hâ¯O, O-Hâ¯(O,O), O-Hâ¯N and N-Hâ¯O hydrogen bonds. π-π inter-actions involving Br-substituted benzene rings, with a centroid-centroid distance of 3.552â (3)â Å are also observed.
RESUMO
In the title compound, C(17)H(18)N(2)O(5)·H(2)O, the dihedral angle between the two aromatic rings is 7.86â (7)° and an intra-molecular O-Hâ¯N hydrogen bond is observed. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular O-Hâ¯O and N-Hâ¯O hydrogen bonds.
RESUMO
In the title compound, C(15)H(14)N(2)O(3)·H(2)O, the Schiff base mol-ecule is approximately planar, with a dihedral angle between the two aromatic rings of 10.2â (3)°. The mol-ecular structure is stabilized by O-Hâ¯N and N-Hâ¯O hydrogen bonds. In the crystal structure, the Schiff base and water mol-ecules are linked together by inter-molecular O-Hâ¯O hydrogen bonds, forming chains parallel to the a axis.
RESUMO
The asymmetric unit of the title compound, C(14)H(11)ClN(2)O(2)·H(2)O, contains a Schiff base mol-ecule and a water mol-ecule of crystallization. The dihedral angle between the two aromatic rings is 27.3â (4)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the bc plane by inter-molecular O-Hâ¯O and N-Hâ¯O hydrogen bonds involving the water mol-ecules.
RESUMO
The title Schiff base compound, C(16)H(16)N(2)O(3), was derived from the condensation of 2-methoxy-benzaldehyde with 2-methoxy-benzohydrazide in an ethanol solution. The dihedral angle between the two aromatic rings is 87.5â (3)°. In the crystal structure, the mol-ecules are linked into chains running parallel to the a axis by inter-molecular N-Hâ¯O hydrogen bonds.