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The asymmetric unit of the title compound, C6H9N3, contains three crystallographically independent molecules of similar geometry. All of the molecules are almost planar, with r.m.s. deviations of 0.003, 0.016 and 0.005 Å. In the crystal, the molecules are linked by N—H
N hydrogen bonds into zigzag ribbons parallel to the c axis, generating rings of R22(8) graph-set motif.
N hydrogen bonds into zigzag ribbons parallel to the c axis, generating rings of R22(8) graph-set motif.metal-organic compoundsOpen access
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The binuclear title compound, [Cu2(C12H10N6S2)Cl2], possesses twofold rotational symmetry. The CuII atom occupies a four-coordinate pseudo-tetrahedral environment bound to one S atom, one imine N atom and one pyridine N atom from the N1,N2-bis(pyridin-2-yl)hydrazine-1,2-dicarbothioamidate ligand, and one Cl− anion. The metal atoms are connected via the bis-tridentate ligand into a binuclear structure. The molecule is bow-shaped with the pyridine rings inclined to one another by 51.56 (14)°. In the crystal, N—HCl hydrogen bonds lead to the formation of ribbons propagating along [001]. These ribbons are connected via C—HCl, C—HS and π–π interactions [centroid–centroid distance = 3.6146 (19) Å], leading to the formation of a three-dimensional structure.
Cl hydrogen bonds lead to the formation of ribbons propagating along [001]. These ribbons are connected via C—HCl, C—HS and π–π interactions [centroid–centroid distance = 3.6146 (19) Å], leading to the formation of a three-dimensional structure.organic compoundsOpen access
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In the title molecule, C17H16N2O2S, the tetrahydropyridine ring exhibits a half-chair conformation. The mean planes of the ester chain and benzene ring are twisted by 5.5 (1) and 81.32 (5)°, respectively, from the plane of thiophene ring. In the crystal, weak C—HO interactions link molecules related by translation along [100] into chains.
O interactions link molecules related by translation along [100] into chains.organic compoundsOpen access
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In the title compound, C26H22N2O5, the system consisting of five fused rings, being essentially planar with an r.m.s. deviation from the least-squares plane of 0.049 (3) Å, makes a dihedral angle of 58.72 (12)° with the plane of the ethyl carboxylate group immediately attached to it, and a dihedral angle of 89.48 (14)° with the plane of the ethyl carboxylate group attached via the –CH2– bridge. Bond lengths indicate π-delocalization over the whole pentacyclic system. The molecular conformation is stabilized by a weak intramolecular C—HO hydrogen bond. In the crystal, molecules form stacks along the b-axis direction, neighboring molecules within each stack being related by inversion and the shortest distance between the centroids of the pyridine rings within the stack being 3.667 (2) Å.
O hydrogen bond. In the crystal, molecules form stacks along the b-axis direction, neighboring molecules within each stack being related by inversion and the shortest distance between the centroids of the pyridine rings within the stack being 3.667 (2) Å.organic compoundsOpen access
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In the title compound, C20H19NOS, the pyrrolizine ring is essentially planar (r.m.s. deviation = 0.001 Å) while the fused dihydro-pyrrolizine ring adopts an envelope comformation with the C atom bearing the methyl substituents as the flap. The dihedral angles between the pyrrolizine and the phenyl and thiophene rings are 34.54 (7) and 44.93 (7)°, respectively. In the crystal, weak C—HO hydrogen bonds link the molecules into infinite zigzag chains parallel to the b-axis direction.
O hydrogen bonds link the molecules into infinite zigzag chains parallel to the b-axis direction.
