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Butane-1,2,3,4-tetra-carboxylic acid-4,4'-bipyridine (1/2).

ABSTRACT: The hydro-thermal reaction of butane-1,2,3,4-tetra-carboxylic acid (H(4)butca), 4,4'-bipyridine (bipy) and Mn(SO(4))(2)·H(2)O afforded a new co-crystal, C(8)H(10)O(8)·2C(10)H(8)N(2) or H(4)butca·2(bipy), in which strong O-H?N hydrogen-bonding and weak ?-? stacking [centroid-centroid distance = 3.8459?(19)?Å] inter-actions assemble the organic mol-ecules into a three-dimensional supra-molecular framework. C-H?O inter-actions are also present. The whole mol-ecule has inversion symmetry.

SUBMITTER: Zhang N

PROVIDER: S-EPMC2977318 | biostudies-other | 2009 Jul

REPOSITORIES: biostudies-other

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Butane-1,2,3,4-tetra-carboxylic acid-4,4'-bipyridine (1/2).

Zhang Ning N Shi Xue-Min XM Shao Min M Li Ming-Xing MX

Acta crystallographica. Section E, Structure reports online 20090729 Pt 8

The hydro-thermal reaction of butane-1,2,3,4-tetra-carboxylic acid (H(4)butca), 4,4'-bipyridine (bipy) and Mn(SO(4))(2)·H(2)O afforded a new co-crystal, C(8)H(10)O(8)·2C(10)H(8)N(2) or H(4)butca·2(bipy), in which strong O-H⋯N hydrogen-bonding and weak π-π stacking [centroid-centroid distance = 3.8459 (19) Å] inter-actions assemble the organic mol-ecules into a three-dimensional supra-molecular framework. C-H⋯O inter-actions are also present. The whole mol-ecule has inversion symmetry. ...[more]

PMID: 21583687

Similar Datasets

4,4'-Bipyridine-butane-1,2,3,4-tetra-carboxylic acid (1/1).

Project description:The title compound, C(10)H(8)N(2)·C(8)H(10)O(8), is an example of a system with a short O?H?N hydrogen bond [O?N = 2.565?(3)?Å]. The crystal structure comprises a 1:1 adduct between 4,4'-bipyridine and butane-1,2,3,4-tetra-carboxylic acid, where both components are centrosymmetric. The component mol-ecules are linked through strong O?H?N hydrogen bonds, forming chains extending approximately along [11]. The chains are inter-connected by O?H?O hydrogen bonds and weak stacking inter-actions involving the pyridyl rings of the 4,4'-bipyridine mol-ecules [centroid-centroid distance = 3.73?(2)?Å and inter-planar distance = 3.35?(1)?Å]. The H atom of the short O?H?N hydrogen bond is disordered over two positions with site occupancy factors of ca 0.6 and 0.4. One methylene group is disordered over two positions; the site occupancy factors are ca 0.9 and 0.1.

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Project description:The title compound, C(14)H(6)O(7)·C(10)H(8)N(2), has been hydro-thermally synthesized. Structural ananlysis indicates that the crystals are produced by cocrystallization of naphthalene-1,4,5,8-tetra-carboxylic acid 1,8-anhydride and 4,4'-bipyridine (bpy) mol-ecules. The crystal packing is stabilized by inter-molecular O-H⋯N and C-H⋯O hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances = 3.5846 (9) Å].

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Project description:The asymmetric unit of the title compound, 2C(7)H(2)F(4)O(2)·C(10)H(8)N(2), contains one mol-ecule of 2,3,4,5-tetra-fluoro-benzoic acid (tfb) and half of a centrosymmetric 4,4'-bipyridine mol-ecule. Inter-molecular O-H?N hydrogen bonds link two tfb mol-ecules and one 4,4'-bipyridine mol-ecule into a trimer. Weak inter-molecular C-H?F inter-actions assemble these trimers into a three-dimensional network structure.

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2,2'-Bipyridine-cyclo-pentane-1,2,3,4-tetra-carb-oxy-lic acid (1/1).

Project description:The asymmetric unit of the title compound, C(10)H(8)N(2)·C(9)H(10)O(8), contains a half-molecule of 2,2'-bipyridine and a half-molecule of 1,2,3,4-cyclopentanetetracarboxylic acid, both components being completed by crystallographic inversion symmetry. In the crystal, the mol-ecules are assembled into chains extending along [010] by O-H?N hydrogen bonds; adjacent chains are linked by O-H?O hydrogen bonds into a three-dimensional network.

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Project description:The asymmetric unit of the title compound, 2C(12)H(8)N(2)·C(8)H(10)O(8)·2H(2)O, contains one 1,10-phenanthroline mol-ecule, one half-mol-ecule of butane-1,2,3,4-tetra-carb-oxy-lic acid (H(4)BTC) and a water mol-ecule, with the complete tetra-acid generated by crystallographic inversion symmetry. Inter-molecular O-H?O hydrogen bonds and ?-? stacking inter-actions [centroid-centroid distances = 3.672?(2) and 3.708?(2)?Å form an extensive three-dimensional network, which consolidates the crystal packing.

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1,3,7-Trimethyl-2,4-dioxo-1,2,3,4-tetra-hydro-pteridine-6-carboxylic acid hemihydrate.

Project description:In the title compound, C(10)H(10)N(4)O(4)·0.5H(2)O, the two rings of the pteridine system are nearly coplanar [dihedral angle = 4.25?(9)°]. The atoms of the carboxyl group are also coplanar with the pteridine unit [r.m.s. deviation from the mean plane of the pteridine skeleton = 0.092?(2)?Å]. In the crystal, the presence of the water molecule of crystallization (O atom site symmetry 2) leads to a hydrogen-bonding pattern different from the one shown by many carboxylic acid compounds (dimers formed through O-H?O hydrogen bonds between neighbouring carboxyl groups): in the present structure, the water mol-ecule, which lies on a binary axis, acts as a bridge between two mol-ecules, forming a hydrogen-bonded dimer. In addition to the hydrogen bonds, there are ?-? ring stacking inter-actions involving the pyrimidine and pyrazine rings [centroid-centroid distance = 3.689?(1)Å], and two different pyrazine rings [centroid-centroid distance = 3.470?(1)Å]. Finally, there is a C-O?? contact involving a carboxyl-ate C-O and the pyrimidine ring with a short O?Cg distance of 2.738?(2)?Å.

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Project description:In the title compound, C(14)H(16)N(2), which has no crystallographic molecular symmetry, the dihedral angle between the least-squares planes of the two pyridine rings is 19.48 (2)°. No classical hydrogen bonds nor π-π inter-actions were found.

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