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Propane-1,2-diaminium tris-(pyridine-2,6-dicarboxyl-ato-?O,N,O)zirconate(IV) trihydrate.

ABSTRACT: In the title compound, (C(3)H(12)N(2))[Zr(C(7)H(3)NO(4))(3)]·3H(2)O, the Zr(IV) cation is chelated by three pyridine-2,6-dicarboxyl-ate anions in a distorted tricapped trigonal-prismatic environment. The crystal structure is stabilized by inter-molecular N-H?O and O-H?O hydrogen bonds.

SUBMITTER: Pasdar H

PROVIDER: S-EPMC3089104 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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Propane-1,2-diaminium tris-(pyridine-2,6-dicarboxyl-ato-κO,N,O)zirconate(IV) trihydrate.

Pasdar Hoda H Shakiba Shahrzad S Aghabozorg Hossein H Notash Behrouz B

Acta crystallographica. Section E, Structure reports online 20110413 Pt 5

In the title compound, (C(3)H(12)N(2))[Zr(C(7)H(3)NO(4))(3)]·3H(2)O, the Zr(IV) cation is chelated by three pyridine-2,6-dicarboxyl-ate anions in a distorted tricapped trigonal-prismatic environment. The crystal structure is stabilized by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds. ...[more]

PMID: 21754310

Similar Datasets

Propane-1,2-diaminium bis-(pyridine-2,6-dicarboxyl-ato-?O,N,O)mercurate(II) dihydrate.

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Propane-1,2-diaminium bis-(pyridine-2,6-dicarboxyl-ato-?O,N,O)cadmate dihydrate.

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Project description:In the title compound, (C(6)H(9)N(2))(2)[Zr(C(7)H(3)NO(4))(3)]·2H(2)O, the Zr(IV) atom is nine-coordinated by three pyridine-2,6-dicarboxyl-ate ligands in a distorted tricapped trigonal-prismatic ZrN(3)O(6) environment. The crystal packing is stabilized by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

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Triimidazolium tris-(pyridine-2,6-di-carboxyl-ato)dysprosate(III) trihydrate.

Project description:The structure of the title compound, (C(3)N(2)H(5))(3)[Dy(C(7)H(3)NO(4))(3)]·3H(2)O, contains a mononuclear Dy(III) complex with the rare earth metal cation in a distorted tricapped trigonal-prismatic environment. The Dy(III) ion is in each case O,N,O'-chelated by three tridentate pyridine-2,6-dicarboxyl-ate anions. Three protonated imidazole mol-ecules act as counter-cations and three lattice water mol-ecules are also present. Numerous N-H⋯O and O-H⋯O hydrogen bonding inter-actions, some of which are bifurcated, help to stabilize the packing of the structure.

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Butane-1,4-diammonium bis-(pyridine-2,6-dicarboxyl-ato)cuprate(II) trihydrate.

Project description:In the title compound, (C(4)H(14)N(2))[Cu(C(7)H(3)NO(4))(2)]·3H(2)O or (bdaH(2))[Cu(pydc)(2)]·3H(2)O (where bda is butane-1,4-diamine and pydcH(2) is pyridine-2,6-dicarboxylic acid), the Cu(II) atom is coordinated by four O atoms [Cu-O = 2.0557 (16)-2.3194 (16) Å] and two N atoms [Cu-N = 1.9185 (18) and 1.9638 (18) Å] from two chelating rings of the pydc(2-) anions, which act as tridentate ligands. The geometry of the resulting CuN(2)O(4) coordination can be described as distorted octa-hedral. The the two pydc(2-) fragments are almost perpendicular to one another [77.51 (11)°]. To balance the charges, two centrosymmetric protonated butane-1,4-diammonium, (bdaH(2))(2+) cations are present. In the crystal structure, extensive O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds [D⋯A = 2.720 (2)-3.446 (3) Å], ion pairing, C-O⋯π [O⋯π = 3.099 (2) Å] and π-π stacking inter-actions between the pydc(2-) rings [centroid-centroid distance = 3.5334 (15) Å] contribute to the formation of a three-dimensional supra-molecular structure.

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Tris(piperazinediium) bis-[tris-(pyridine-2,6-dicarboxyl-ato)neodymate(III)] 15.33-hydrate.

Project description:The title compound, (C(4)H(12)N(2))(3)[Nd(C(7)H(3)NO(4))(3)](2)·15.33H(2)O or (pipzH(2))(3)[Nd(pydc)(3)](2)·15.33H(2)O (in which pipz is piperazine and pydcH(2) is pyridine-2,6-dicarboxylic acid), was synthesized by the reaction of NdCl(3)·6H(2)O with the proton-transfer compound (pipzH(2))(pydc) in aqueous solution. The nine donor atoms of the three pydc(2-) ligands form a distorted tricapped trigonal-prismatic arrangement around the Nd(III) center. Considerable C-O⋯π stacking inter-actions between CO groups of carboxyl-ate fragments and aromatic rings of pydc(2-) with distances of 3.135 (5)-3.255 (5) Å are observed. In the crystal structure, a wide range of hydrogen-bonding [of the types O-H⋯O, N-H⋯O and C-H⋯O, with D⋯A distances ranging from 2.608 (10) to 3.278 (7) Å], ion-pairing and C-O⋯π stacking interactions connect the various components into a supra-molecular structure. There is a high degree of solvent disorder in the structure; the occupancies of five water molecules refined to 0.6, 0.5, 0.4, 0.25 and 0.25.

| S-EPMC2960278 | biostudies-literature

Bis(9-amino-acridinium) bis-(pyridine-2,6-dicarboxyl-ato)zincate(II) trihydrate.

Project description:In the title compound, (C(13)H(11)N(2))(2)[Zn(C(7)H(3)NO(4))(2)]·3H(2)O, the Zn(II) ion is six-coordinated with the N(4)O(2) donor set being a distorted octa-hedron through two almost perpendicular (r.m.s. deviation of ligand atoms from the mean plane is 0.057?Å) tridentate pyridine-2,6-dicarboxyl-ate ligands [dihedral angle between the ligands = 86.06?(4)°]. The charge is compensated by two 9-amino-acridinium cations protonated on the ring N atom. A variety of inter-molecular contacts, such as ion-ion, N-H?O and O-H?O hydrogen bonds, and ?-? stacking [centroid-centroid distances = 3.4907?(9)-4.1128?(8)?Å], between cations and between anions, play important roles in the formation of the three-dimensional network.

| S-EPMC3343781 | biostudies-literature

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