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Catena-Poly[[[bis-[4-(1H-1,3,7,8-tetra-azacyclo-penta-[l]phenanthren-2-yl)-phenol-?N,N]lead(II)]-?-4,4'-oxy-dibenzoato-?O,O':O''] dihydrate].

ABSTRACT: The carboxyl-ate dianion in the title compound, [Pb(C(14)H(8)O(5))(C(19)H(12)N(4)O)(2)]·2H(2)O, uses one carboxyl-ate group to O,O'-chelate a bis-[4-(1H-1,3,7,8-tetra-azacyclo-penta-[l]phen-anthren-2-yl)phenol]-chelated Pb(II) atom and uses its other carboxyl-ate group to bind to another Pb(II) atom in an irregular monodentate manner. The Pb(II) atom exists in an undefined seven-coordinate geometry in the chain structure; the lone pair is stereochemically active. Adjacent chains are linked by inter-molecular O-H?N, N-H?O and O-H?O hydrogen bonds that involve the uncoordinated water mol-ecules to form a three-dimensional network.

SUBMITTER: Xu ML

PROVIDER: S-EPMC2961154 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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catena-Poly[[[bis-[4-(1H-1,3,7,8-tetra-azacyclo-penta-[l]phenanthren-2-yl)-phenol-κN,N]lead(II)]-μ-4,4'-oxy-dibenzoato-κO,O':O''] dihydrate].

Xu Mao-Liang ML Zhou Rui R Wang Ge-Yang GY Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20080423 Pt 5

The carboxyl-ate dianion in the title compound, [Pb(C(14)H(8)O(5))(C(19)H(12)N(4)O)(2)]·2H(2)O, uses one carboxyl-ate group to O,O'-chelate a bis-[4-(1H-1,3,7,8-tetra-azacyclo-penta-[l]phen-anthren-2-yl)phenol]-chelated Pb(II) atom and uses its other carboxyl-ate group to bind to another Pb(II) atom in an irregular monodentate manner. The Pb(II) atom exists in an undefined seven-coordinate geometry in the chain structure; the lone pair is stereochemically active. Adjacent chains are linked by in ...[more]

PMID: 21202241

Similar Datasets

2-Phenyl-1H-1,3,7,8-tetra-azacyclo-penta-[l]phenanthrene.

Project description:There are two molecules in the asymmetric unit of the title compound, C(19)H(12)N(4). One is almost planar [dihedral angle between the fused-ring system and the phenyl ring = 2.16?(13)°] and one is somewhat twisted [dihedral angle = 13.30?(14)°]. In the crystal, the molecules are linked by N-H?N hydrogen bonds to result in chains.

| S-EPMC2959488 | biostudies-literature

2-Phenyl-1H-1,3,7,8-tetra-azacyclo-penta-[l]phenanthrene.

Project description:There are two mol-ecules in the asymmetric unit of the title compound, C(19)H(12)N(4), with dihedral angles of 2.41?(10) and 10.53?(12)° between the fused ring system and the pendant phenyl ring. In the crystal, mol-ecules are linked into chains by N-H?N hydrogen bonds and aromatic ?-? stacking inter-actions [shortest centroid-centroid distance = 3.6176?(16)?Å] complete the structure.

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Project description:In the title compound, {[Co(C(10)H(8)N(2))(H(2)O)(4)](ClO(4))(2)·2C(10)H(8)N(2)·2H(2)O}(n), slightly distorted octa-hedrally coordinated Co(II) ions situated on inversion centers are linked into polycationic chains through 4,4'-bipyridine tethering ligands. These are connected into supra-molecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water mol-ecules. A twofold inter-penetrated primitive cubic supra-molecular network is formed by the inter-action of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,4'-bipyridine mol-ecules.

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4,4'-[8b,8c-Bis(ethoxycarbonyl)-4,8-dioxo-2,3,5,6-tetra-hydro-1H,4H-2,3a,4a,6,7a,8a-hexa-azacyclo-penta-[def]fluorene-2,6-diyl]dipyridinium bis-(tetra-fluorido-borate).

Project description:In the title compound, C(26)H(32)N(8)O(6) (2+)·2BF(4) (-), the cation is built up from four fused rings, viz. two nearly planar imidazole rings and two triazine rings exhibiting chair conformations. One eth-oxy group is disordered between two positions in an approximate ratio 3:2. The F atoms of the two anions are each rotationally disordered between two orientations in the same 3:2 ratio. The crystal structure is stabilized by inter-molecular N-H?O, C-H?F and N-H?F inter-actions.

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catena-Poly[[[?-aqua-penta-aqua-dizinc(II)]-?(4)-benzene-1,2,4,5-tetra-carboxyl-ato] dihydrate].

Project description:The asymmetric unit of the title compound, {[Zn(2)(C(10)H(2)O(8))(H(2)O)(6)]·2H(2)O}(n), contains two distinct Zn atoms joined by a bridging water molecule and two bridging carboxyl-ate groups belonging to distinct halves of benzene-1,2,4,5-tetra-carboxyl-ate (tbec) tetra-anionic ligands, both lying on crystallographic inversion centres. The structure of this new isopolymorphic one-dimensional coordination polymer features asymmetric bimetallic octa-hedral knots. O-H?O hydrogen bonds between water molecules and carboxylate O atoms help to consolidate the crystal packing.

| S-EPMC2977204 | biostudies-literature

catena-Poly[[tetra-kis-(?-penta-fluoro-benzoato-?O:O')dimolybdenum(II)]-?-4,4'-bipyridine-?N:N'].

Project description:In the title compound, [Mo(2)(C(7)F(5)O(2))(4)(C(10)H(8)N(2))](n), the mol-ecule forms a paddle-wheel-type structure. Each Mo(2) (4+) unit is equatorially coordinated by four pentafluoro-benzoate groups, while the axial positions are occupied by two 4,4'-bipyridine mol-ecules. The Mo-Mo bond length of 2.1227?(4)?Å is representative of a dimolybdenum quadruple bond. An infinite linear chain parallel to [110] is formed by the Mo(2) (4+) unit coordinating axially to the two N atoms of the 4,4'-bipyridine ligand [Mo-N = 2.594?(2)?Å]. The crystal packing shows mol-ecules linked together into a three-dimensional network via Mo-N coordination inter-actions and weak ?-? stacking inter-actions between perfluoro-phenyl rings [centroid-centroid distance = 3.7280?(3)?Å and centroid-to-plane distance = 3.6103?(12)?Å between two penta-fluoro-phenyl rings].

| S-EPMC3200718 | biostudies-literature

catena-Poly[[[triaqua-[3-(4-carb-oxy-phen-oxy)phthalato-?O(2)]manganese(II)]-?-4,4'-bipyridine-?(2)N:N'] 4,4'-bipyridine monosolvate dihydrate].

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catena-Poly[4,4'-bipyridinium [[diaqua-disulfatocadmium(II)]-?-4,4'-bipyridine-?N:N'] dihydrate].

Project description:The title compound, {(C(10)H(10)N(2))[Cd(SO(4))(2)(C(10)H(8)N(2))(H(2)O)(2)]·2H(2)O}(n), consists of anionic chains of the Cd complex, diprotonated 4,4'-bipyridinium cations and uncoordinated water mol-ecules. In the anionic chain, the Cd atom lies on a center of inversion in an octa-hedral geometry. The midpoint of the coordinated bipyridine also resides on a center of inversion, as does the non-coordinated bipyridinium counterion. O-H?O and N-H?O hydrogen bonding inter-actions and ?-? stacking inter-actions in the structure are responsible for the supra-molecular assembly.

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