(E)-2-Hydroxynaphthalene-1-carbaldehyde semicarbazone
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چکیده
The title compound, C(12)H(11)N(3)O(2), adopts an E or trans configuration with respect to the C=N bond. There is an intra-molecular O-H⋯N hydrogen bond involving the hydroxyl H atom and an N atom of the hydrazine group. In the crystal structure, mol-ecules are connected via N-H⋯O hydrogen bonds, forming a three-dimensional network.
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Bis(μ-6-hydroxynaphthalene-1-carboxylato)bis[(6-hydroxynaphthalene-1-carboxylato)(1,10-phenanthroline)cadmium(II)] tetrahydrate
The title complex, [Cd(2)(C(11)H(7)O(3))(4)(C(12)H(8)N(2))(2)]·4H(2)O, has a centrosymmetric binuclear structure in which two Cd(II) atoms are both six-coordinated and bridged by 6-hydroxy-naphthalene-1-carboxyl-ate ligands, with a Cd⋯Cd separation of 3.671 (1) Å. The remaining coordination sites are occupied by two N atoms of a 1,10-phenanthroline ligand and two O atoms of a 6-hydroxy-naphthal...
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In the title compound, C(9)H(11)N(3)O, the benzene ring is disordered over two positions with refined occupancies of 0.922 (5) and 0.078 (5). The program PLATON [Spek (2009 ▶). Acta Cryst. D65, 148-155] recommends the solution in the space group C2/m with a = 7.3050 (3), b = 6.6745 (2), c = 18.3853 (6) Å and β = 96.986 (2)°. However, the large number of non-extinct reflections needed to be igno...
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In the title compound, C(9)H(10)FN(3)O, the semicarbazone group is nearly planar, with the maximum deviation of 0.044 (1) Å for one of the N atoms. The mean plane of semicarbazone group forms a dihedral angle of 30.94 (4)° with the benzene ring. The mol-ecules are linked into a supra-molecular chain by N-H⋯O hydrogen bonds formed along the c axis. The crystal structure is further stabilized by ...
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