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Propane-1,3-diyl bis-(pyridine-3-carboxyl-ate).

ABSTRACT: The title compound, C(15)H(14)N(2)O(4), has a trans-gauche [O/C/C/C-O/C/C/C] (TG) conformation. The angle between the planes of aromatic rings is 76.4 (3)°. The crystal structure is stabilized by van der Waals inter-actions and C-H⋯O hydrogen bonds. The crystal used was a non-merohedral twin with a fractional contribution of the minor component of 0.443 (5).

SUBMITTER: Brito I

PROVIDER: S-EPMC2983924 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Propane-1,3-diyl bis-(pyridine-3-carboxyl-ate).

Brito Iván I Vallejos Javier J Bolte Michael M López-Rodríguez Matías M

Acta crystallographica. Section E, Structure reports online 20100313 Pt 4

The title compound, C(15)H(14)N(2)O(4), has a trans-gauche [O/C/C/C-O/C/C/C] (TG) conformation. The angle between the planes of aromatic rings is 76.4 (3)°. The crystal structure is stabilized by van der Waals inter-actions and C-H⋯O hydrogen bonds. The crystal used was a non-merohedral twin with a fractional contribution of the minor component of 0.443 (5). ...[more]

PMID: 21580631

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Propane-1,3-diyl bis-(pyridine-4-carboxyl-ate).

Project description:The title compound. C(15)H(14)N(2)O(4), (I), has a gauche-gauche (O/C/C/C-O/C/C/C or GG) conformation and is a positional isomer of propane-1,3-diyl bis-(pyridine-3-carboxyl-ate), (II). The mol-ecule of (I) lies on a twofold rotation axis, which passes through the central C atom of the aliphatic chain, giving one half-mol-ecule per asymmetric unit. There is excellent agreement of the geometric parameters of (I) and (II). The most obvious differences between them are the O/C/C/C-O/C/C/C torsion angles [56.6?(2)° in (I) and 174.0?(3)/70.2?(3)° in (II) for GG and TG conformations, respectively] and the dihedral angle between the planes of the aromatic rings [80.3?(10)° in (I) and 76.5?(3)° in (II)]. The crystal structure is stabilized by weak C-H? N and C-H? O hydrogen bonding.

| S-EPMC2979147 | biostudies-literature

A monoclinic modification of propane-1,3-diyl bis-(pyridine-3-carboxyl-ate).

Project description:In the title compound, C(15)H(14)N(2)O(4), (I), the mol-ecule lies on a twofold rotation axis which passes through the central C atom of the aliphatic chain, giving one half-mol-ecule per asymmetric unit. The structure is a monoclinic polymorph of the triclinic structure previously reported [Brito, Vallejos, Bolte & López-Rodríguez (2010). Acta Cryst. E66, o792], (II). The most obvious difference between them is the O/C/C/C-O/C/C/C torsion angle [58.2 (7)° in (I) and 173.4 (3)/70.2 (3)° in (II) for GG and TG conformations, respectively]. Another important difference is observed in the dihedral angle between the planes of the aromatic rings [86.49 (7)° for (I) and 76.4 (3)° for (II)]. The crystal structure features a weak π-π inter-action [centroid-centroid distance = 4.1397 (10)Å]; this latter kind of inter-action is not evident in the triclinic polymorph.

| S-EPMC3051592 | biostudies-literature

Propane-1,3-diaminium bis-(pyridine-4-carboxyl-ate) monohydrate.

Project description:The asymmetric unit of the title compound, C(3)H(12)N(2) (2+)·2C(6)H(4)NO(2) (-)·H(2)O, consists of half of a doubly protonated propane-1,3-diammonium dication, a pyridine-4-carboxyl-ate anion and half of a solvent water mol-ecule; the dication and the solvent water are located on a twofold rotation axis which passes through the central C atom of the dication and the water O atom. The carboxyl-ate group of the anion appears to be delocalized on the basis of the C-O bond lengths. In the crystal, the components are linked by inter-molecular N-H⋯O, N-H⋯N and O-H⋯O hydrogen bonds.

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Butane-1,4-diyl bis-(pyridine-4-carboxyl-ate).

Project description:The mol-ecule of the title compound, C(16)H(16)N(2)O(4), lies about an inversion centre; the butane chain adopts an extended zigzag conformation. The dihedral angle between the pyridine ring and the adjacent COO group is 3.52?(s14)°.

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Butane-1,4-diyl bis-(pyridine-3-carboxyl-ate).

Project description:Mol-ecules of the title compound (alternative name: butane-1,4-diyl dinicotinate), C(16)H(16)N(2)O(4), lie on a inversion centre, located at the mid-point of the central C-C bond of the aliphatic chain, giving one half-mol-ecule per asymmetric unit. The butane chain adopts an all-trans conformation. The dihedral angle between the mean plane of the butane-3-carboxyl-ate group [for the non-H atoms, maximum deviation = 0.0871 (15) Å] and the pyridine ring is 10.83 (7)°. In the crystal, mol-ecules lie in planes parallel to (122). The structure features weak π-π inter-actions with a centroid-centroid distance of 3.9281 (11) Å.

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Propane-1,2-diammonium bis-(6-carboxy-pyridine-2-carboxyl-ate) dihydrate.

Project description:The reaction of propane-1,2-diamine (pn) and pyridine-2,6-dicarboxylic acid (pydcH(2)) in a 1:2 molar ratio in aqueous solution resulted in the formation of the title compound, C(3)H(12)N(2) (2+)·2C(7)H(4)NO(4)·2H(2)O or (pnH(2))(pydcH)(2)·2H(2)O. The structure contains two monoanionic deprotonated forms of pyridine-2,6-dicarboxylic acid molecules (pydcH)(-), a diprotonated propane-1,2-diamine (pnH(2))(2+), and two water mol-ecules. A significant π-π stacking inter-action is observed between the pyridyl rings of the (pydcH)(-) fragments, with a face-to-face distance of 3.6194 (9) Å. In the crystal structure, a wide range of non-covalent inter-actions consisting of ion pairing, hydrogen bonding [of the types of O-H⋯O, N-H⋯O, N-H⋯N and C-H⋯O, with D⋯A distances in the range 2.454 (2)-3.222 (2)Å] and π-π stacking inter-actions [centroid-centroid distance = 3.6194 (9) Å] connect the components into a supra-molecular structure.

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Propane-1,3-diaminium pyridine-2,5-di-carboxyl-ate dimethyl sulfoxide mono-solvate.

Project description:In the crystal structure of the title solvated molecular salt, C(3)H(12)N(2) (2+)·C(7)H(3)NO(4) (2-)·C(2)H(6)OS, two amine groups of propane-1,3-diamine (pda) are protonated and two carb-oxy-lic acid groups of pyridine-2,5-dicarb-oxy-lic acid (2,5-pydcH(2)) are deprotonated. The crystal packing features N-H⋯O hydrogen bonds and weak C-H⋯O inter-molecular inter-actions.

| S-EPMC3051960 | biostudies-literature

Propane-1,3-diyl bis-(4-amino-benzoate).

Project description:Mol-ecules of the title compound, C(17)H(18)N(2)O(4), lie on a twofold rotation axis that passes through the central methyl-ene C atom. The mol-ecules adopt a 'V' shape and the trimethyl-ene unit assumes a gauche-gauche conformation. The amino N atom shows a nonplanar coordination. Adjacent mol-ecules are connected by N-H?O hydrogen bonds into chains running along [001]. Furthermore, N-H?N hydrogen bonds connect these chains into a three-dimensional network.

| S-EPMC3007263 | biostudies-literature

Poly[[?-ethane-1,2-diyl bis-(pyridine-3-carboxyl-ate)](?-tetra-fluorido-borato)silver(I)].

Project description:In the title compound, [Ag(BF(4))(C(14)H(12)N(2)O(4))](n), the coordination of the Ag(+) ion is trigonal-bipyramidal with the N atoms of two ethane-1,2-diyl bis-(pyridine-3-carboxyl-ate) ligands in the apical positions and three F atoms belonging to different tetra-fluorido-borate anions in the equatorial plane. The material consists of infinite chains of [Ag(C(14)H(12)N(2)O(4))] units running along [001], held together by BF(4) (-) bridging anions.

| S-EPMC3344420 | biostudies-literature

Propane-1,3-diaminium-2-carboxy-pyridine-6-carboxyl-ate-pyridine-2,6-dicarboxylic acid-water (1/2/2/8).

Project description:The title proton-transfer compound, C(3)H(12)N(2) (2+)·2C(7)H(4)NO(4) (-)·2C(7)H(5)NO(4)·8H(2)O or (pnH(2))(pydcH)(2).2(pydcH(2))·8H(2)O, was obtained by the reaction of pyridine-2,6-dicarboxylic acid (pydcH(2)) and propane-1,3-diamine (pn) in aqueous solution. Both neutral and monoanionic forms of the diacid are observed in the crystal structure. The negative charge of two monoanions is balanced by the dicationic propane-1,3-diaminium species. In addition, considerable π-π stacking inter-actions between the aromatic rings of the (pydcH)(-) and (pydcH(2)) fragments [with centroid-centroid distances of 3.5108 (11)-3.5949 (11) Å] are observed. The most important feature of this crystal structure is the presence of a large number of O-H⋯O, O-H⋯N, N-H⋯O, N-H⋯N, C-H⋯O and C-H⋯N hydrogen bonds, with D⋯A ranging from 2.445 (2) to 3.485 (3) Å. These inter-actions as well as ion pairing and π-π stacking connect the various fragments into a supra-molecular structure.

| S-EPMC2915292 | biostudies-literature

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