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Poly[[(μ(4)-5-amino-isophthalato)aqua-iron(II)] dihydrate].

ABSTRACT: In the title three-dimensional coordination polymer, {[Fe(C(8)H(5)NO(4))(H(2)O)]·2H(2)O}(n), the Fe(II) atom exhibits a distorted octa-hedral geometry, being coordinated by one N and four O atoms from four 5-amino-isophthalate ligands and one water mol-ecule. In addition, the crystal structure is stabilized by numerous O-H⋯O and N-H⋯O hydrogen bonds.

SUBMITTER: Song WD

PROVIDER: S-EPMC2960919 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[aqua-(2,2'-bipyridyl)cobalt(II)]-μ-5-nitro-isophthalato].

Project description:In the crystal structure of the title compound, [Co(C(8)H(3)NO(6))(C(10)H(8)N(2))(H(2)O)](n), there are two symmetry-independent one-dimensional coordination polymers, which are approximately related by noncrystallographic inversion symmetry. Each zigzag chain is constructed from one Co(II) ion, one O-monodentate 5-nitro-isophthalate (ndc) dianion, one N,N'-bidentate 2,2'-bipyridyl ligand and one water mol-ecule. A symmetry-generated O,O'-bidentate ndc dianion completes the cobalt coordination environment, which could be described as very distorted cis-CoN(2)O(4) octa-hedral. The bridging ndc ligands result in parallel chains running along the a direction, and O-H⋯O hydrogen bonds arising from the water mol-ecules complete the structure.

| S-EPMC2960127 | biostudies-literature

Poly[[[μ(3)-5-(pyridine-4-carboxamido)-isophthalato]{μ(3)-5-[(pyridin-1-ium-4-yl)carbonyl-amino]-isophthalato}-neodymium(III)] dihydrate].

Project description:In the title compound, {[Nd(C(14)H(9)N(2)O(5))(C(14)H(8)N(2)O(5))]·2H(2)O}(n), the Nd(III) atom is eight-coordinated as it is surrounded by eight carboxyl-ate O atoms from six ligands in a distorted square-anti-prismatic arrangement. The Nd(III) atoms are linked by HL(-) and L(2-) ligands [H(2)L is 5-(pyridine-4-carboxamido)-isophthalic acid], forming a bilayer network. The layers are linked into a three-demensional network through N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC3200962 | biostudies-literature

Poly[(?(5)-5-amino-isophthalato)aqua-barium].

Project description:In the title compound, [Ba(C(8)H(5)NO(4))(H(2)O)](n), the Ba(II) ion is eight-coordinated by six O atoms and one N atom from five 5-amino-isophthalate ligands and one water mol-ecule in a distorted dodeca-hedral geometry. The Ba(II) ions are connected via the ligands into a layer parallel to (011). The layers are linked by N-H?O hydrogen bonds. The coordinated water mol-ecule is involved in intra-layer O-H?O hydrogen bonds.

| S-EPMC3201556 | biostudies-literature

Poly[[aqua-[μ-1,4-bis-(3-pyridylmeth-yl)piperazine-κN:N'](μ-isophthalato-κO:O)copper(II)].

Project description:In the title compound, [Cu(C(8)H(4)O(4))(C(16)H(20)N(4))(H(2)O)](n), square-pyramidally coordinated Cu(II) ions are linked into [Cu(H(2)O)(isophthalate)](n) coordination polymer chains by isophthalate dianions. These chains are connected into undulating [Cu(H(2)O)(isophthalate)(3-bpmp)](n) [3-bmp is bis-(3-pyridylmeth-yl)piperazine] layers by 3-bpmp tethering ligands. The pseudo three-dimensional structure of the title compound is fostered by inter-layer O-H⋯O hydrogen bonding between the aqua ligands and unligated isophthalate O atoms. The selected crystal was non-merohedrally twinned. Only reflections from the major twin component were used in the solution and refinement.

| S-EPMC2983567 | biostudies-literature

catena-Poly[[[tetra-aqua-iron(II)]-?-5,5'-diazenediylditetra-zolido] dihydrate].

Project description:In the title compound, {[Fe(C(2)N(10))(H(2)O)(4)]·2H(2)O}(n), the coordin-ation geometry around the Fe(II) atom, which lies on a center of inversion, is distorted octa-hedral, with bonds to four O atoms and two N atoms. The azotetra-zolate ligand displays a bridging coordination mode, forming an infinite zigzag chain. Inter-molecular O-H?O and O-H?N hydrogen bonding and offset face-to-face ?-? stacking inter-actions [centroid-centroid distance = 3.4738?(13)?Å] lead to a three-dimensional network.

| S-EPMC3009247 | biostudies-literature

Poly[[aqua-[?(5)-5-(isonicotinamido)-isophthalato][?(4)-5-(isonicotinamido)-isophthalato]holmium(III)silver(I)] dihydrate].

Project description:The title heteronuclear complex, {[AgHo(C(14)H(8)N(2)O(5))(2)(H(2)O)]·2H(2)O}(n), has a three-dimensional polymeric structure, generated by the carboxyl-ate and pyridine groups of the 5-(isonicotinamido)-isophthalate (INAIP) ligands bridging the metal atoms. The Ho(III) atom is coordinated by seven O atoms from INAIP ligands and a water mol-ecule in a distorted square-anti-prismatic geometry, while the Ag(I) atom has a distorted trigonal-planar AgN(2)O geometry. Inter-molecular O-H?O and N-H?O hydrogen bonds stabilize the crystal structure.

| S-EPMC3393244 | biostudies-literature

catena-Poly[[aqua-(2,2'-bipyridine-κN,N')copper(II)]-μ-5-nitro-isophthalato-κO,O:O].

Project description:In the asymmetric unit of the title compound, [Cu(C(8)H(3)NO(6))(C(10)H(8)N(2))(H(2)O)](n), there are two symmetry-independent one-dimensional coordination polymers related by a non-crystallographic inversion center. Within the polymers, the Cu(II )atoms, coordinated by the water mol-ecule and the chelating 2,2'-bipyridine ligands, are bridged by 5-nitro-benzene-1,3-dicarboxyl-ate dianions which act as tridentate ligands; the carboxyl-ate groups exhibit monodentate and symmetric bidentate coordination modes. The Cu(II) atoms show a strongly distorted octa-hedral coordination geometry. In the crystal structure, the two symmetry-independent coordination polymers form another one-dimensional polymeric structure via O-H⋯O hydrogen bonds between coordinated water mol-ecules and carboxyl-ate groups.

| S-EPMC2959803 | biostudies-literature

catena-Poly[[[diaqua-iron(II)]-μ-pyrazine-2,3-dicarboxyl-ato] dihydrate].

Project description:The crystal structure of the title compound, {[Fe(C(6)H(2)N(2)O(4))(H(2)O)(2)]·2H(2)O}(n), was synthesized by a diffusion method. It has a one-dimensional polymeric chain structure and the chains are further connected into a three-dimensional structure by hydrogen bonds. The Fe(II) ion has a distorted octa-hedral coordination environment, with two N and two O atoms from the pyrazine-2,3-dicarboxyl-ate ligands in the equatorial plane and with two water mol-ecules in axial positions. The Fe atom lies on a crystallographic centre of symmetry and a twofold rotation axis passes through the pyrazine ring.

| S-EPMC2915058 | biostudies-literature

catena-Poly[[[diaqua-bis[4-(diethyl-amino)benzoato-?O]manganese(II)]-?-aqua] dihydrate].

Project description:In the crystal structure of the title complex, {[Mn(C(11)H(14)NO(2))(2)(H(2)O)(3)]·2H(2)O}(n), the two independent Mn(II) atoms are located on a centre of symmetry and coordinated by two 4-(diethyl-amino)benzoate (DEAB) anions and two water mol-ecules in the basal plane while another water mol-ecule bridges the Mn atoms in the apical directions, forming polymeric chains. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 11.33?(13) and 10.90?(9)° and the benzene rings are oriented at a dihedral angle of 67.88?(6)°. The uncoordinated water mol-ecules link the carboxyl-ate groups and coordinated water mol-ecules via O-H?O hydrogen bonding. Weak C-H?? inter-actions are also found in the crystal structure.

| S-EPMC2969307 | biostudies-literature

Poly[μ-aqua-di-μ-benzoato-lead(II)].

Project description:The reaction of lead(II) nitrate and benzoic acid in aqueous solution yields the title polymer, [Pb(C(7)H(5)O(2))(2)(H(2)O)](n). The asymmetric unit contains one Pb(II) ion, two benzoate ligands and one water mol-ecule. The Pb-O bond distances are in the range 2.494 (4)-2.735 (4) Å. The Pb⋯Pb distance is 4.0683 (4) Å, indicating an insignificant metal-metal inter-action. The Pb(II) atom has a distorted penta-gonal-bipyramidal geometry chelated by two carboxyl-ate O atoms. The Pb atoms are bridged through a coordinating water mol-ecule and two carboxyl-ate O atoms from another two benzoate ligands, giving an infinite three-dimensional supra-molecular structure. O-H⋯O hydrogen-bonding inter-actions involved the coordinating water and carboxyl-ate O atoms enhance the stability of the supra-molecular arrangement.

| S-EPMC2977498 | biostudies-literature

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