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Poly[bis(phenethyl-ammonium) [di-bromido-plumbate(II)]-di-μ-bromido]].

ABSTRACT: Crystals of the title compound, {(C(6)H(5)C(2)H(4)NH(3))(2)[PbBr(4)]}(n), were grown at room temperature from a solution in N,N-dimethyl-formamide (DMF) using nitro-methane as the poor solvent. This perovskite-type organic-inorganic hybrid compound consists of well ordered sheets of corner-sharing disordered PbBr(6) octa-hedra separated by bilayers of phenethyl-ammonium cations. The octa-hedra are rotated and tilted due to N-H⋯Br hydrogen bonds with the ammonium groups, generating a superstructure in the unit cell similar to that of the tetra-chloridoplumbate (C(6)H(5)C(2)H(4)NH(3))(2)[PbCl(4)].

SUBMITTER: Shibuya K

PROVIDER: S-EPMC2970995 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[bis-(pyrazine-2-carbox-amide-κN)mercury(II)]-di-μ-bromido].

Project description:In the crystal structure of the title compound, [HgBr(2)(C(5)H(5)N(3)O)(2)](n), the Hg(II) cation is located on an inversion center and is coordinated by two N atoms from the pyrazine rings and four bridging Br(-) anions in a distorted octa-hedral geometry. The Br(-) anions bridge the Hg(II) cations with significantly different Hg-Br bond distances of 2.4775 (8) and 3.1122 (8) Å, forming polymeric chains running along the a axis. Inter-molecular N-H⋯O and N-H⋯N hydrogen bonds are effective in the stabilization of the crystal structure.

| S-EPMC2979956 | biostudies-literature

Bis(butyl-triethyl-ammonium) di-?-bromido-bis-[dibromido-mercurate(II)].

Project description:In the title mol-ecular salt, (C(10)H(24)N)(2)[Hg(2)Br(6)], the complete anion is generated by crystallographic inversion symmetry, forming a pair of edge-sharing HgBr(4) tetra-hedra. In the crystal, the cations and anions are linked by weak C-H?Br inter-actions.

| S-EPMC3344377 | biostudies-literature

Poly[1,4-bis-(ammonio-meth-yl)cyclo-hexane [di-?-bromido-dibromido-plumbate(II)]].

Project description:The title compound, {(C(8)H(20)N(2))[PbBr(4)]}(n), crystallizes as an inorganic-organic hybrid with alternating layers of diammonium cations and two-dimensional corner-sharing PbBr(6) octa-hedra extending parallel to the bc plane, which are eclipsed relative to one another. Both PbBr(6) octa-hedra and the organic cation exhibit symmetry. The cations inter-act via N-H?Br hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.

| S-EPMC2979491 | biostudies-other

catena-Poly[trimethyl-phenyl-ammonium [[bromidocad-mate(II)]-μ-bromido-μ-chlorido]].

Project description:In the title salt, (C(9)H(14)N)[CdBr(2)Cl], the Cd(II) atom is five-coordinated in a trigonal-bipyramidal coordination environment. All three of the halogen sites show disorder as a result of substitution of Cl for Br or Br for Cl. Two of the three halogen atoms are involved in bridging a pair of Cd(II) atoms, generating a linear polyanionic chain motif.

| S-EPMC2983584 | biostudies-literature

Di-μ-bromido-bis-[bromido(4,4'-dimethyl-2,2'-bipyridine-κN,N')mercury(II)].

Project description:The asymmetric unit of the title compound, [Hg(2)Br(4)(C(12)H(12)N(2))(2)], contains one half-mol-ecule. The Hg(II) atom is five-coordinated in a trigonal-bipyramidal configuration by two N atoms from the chelating 4,4'-dimethyl-2,2'-bipyridine ligand, two bridging Br and one terminal Br atom, leading to a centrosymmetric dimeric mol-ecule. There is a π-π contact between the pyridine rings [centroid-to-centroid distance = 3.756 (5) Å].

| S-EPMC2959555 | biostudies-literature

Poly[1,4-bis-(ammonio-meth-yl)cyclo-hexane [di-?-iodido-diiodido-plumbate(II)]].

Project description:The title compound, {(C(8)H(20)N(2))[PbI(4)]}(n), is an inorganic-organic hybrid. The structure is composed of alternate layers of two-dimensional corner-sharing PbI(6) octa-hedra ( symmetry) and 1,4-bis-(ammonio-meth-yl)cyclo-hexane cations ( symmetry) extending parallel to the bc plane. The cations inter-act with the inorganic layer via N-H?I hydrogen bonding in the right-angled halogen sub-type of the terminal halide hydrogen-bonding motif.

| S-EPMC2979548 | biostudies-literature

Bis[2,6-bis-(2-meth-oxy-phen-yl)pyridinium] di-μ-bromido-bis-[dibromidocuprate(II)].

Project description:The title salt, (C(19)H(18)NO(2))(2)[Cu(2)Br(6)], was obtained from an attempt to synthesize the copper(II) complex of 2,6-bis-(2-meth-oxy-phen-yl)pyridine (L) from a reaction between CuBr(2) and one equivalent of L in CH(2)Cl(2) at room temperature. The resulting compound is the salt of the 2,6-bis-(2-meth-oxy-phen-yl)pyridinium cation and 0.5 equivalents of a hexa-bromido-dicuprate(II) dianion. Both meth-oxy groups of the cationic pyridinium moiety are directed towards the N atom of the pyridine ring as a result of intra-molecular N-H⋯O hydrogen bonds. The centrosymmetric hexabromidodicuprate dianion possesses a distorted tetra-hedral geometry at the copper ion. The Cu-Br bond lengths are 2.3385 (7) and 2.3304 (7) Å for the terminal bromides, whereas the bond length between the Cu atom and two bridging bromides is slightly longer [2.4451 (6) Å].

| S-EPMC3051932 | biostudies-literature

Bis(benzyl-trimethyl-ammonium) di-?-bromido-bis-[dibromido-mercurate(II)].

Project description:In the crystal structure of the title compound, (C(10)H(16)N)(2)[Hg(2)Br(6)], the condensed anion consists of two edge-sharing HgBr(4) tetrahedra and is situated on a centre of symmetry. The anions are linked to the cations through weak C-H?Br inter-actions.

| S-EPMC3274863 | biostudies-other

Di-μ-bromido-bis-({bis-[2-(2-pyrid-yl)eth-yl]amine}copper(II)) bis-(perchlorate).

Project description:Each Cu atom in the dinuclear centrosymmetric title complex, [Cu(2)Br(2)(C(14)H(17)N(3))(2)](ClO(4))(2), is ligated in a distorted square-pyramidal geometry (τ = 0.31) by a tridentate bis-[2-(2-pyrid-yl)eth-yl]amine ligand, and by two bridging Br atoms. In addition, the dinuclear species is stabilized by two hydrogen-bonded perchlorate anions.

| S-EPMC2960247 | biostudies-literature

Poly[[μ(2)-1,2-bis-(4-pyrid-yl)ethene-κN:N']-di-μ(3)-bromido-dicopper(I)].

Project description:In the title polymeric Cu(I) compound, [Cu(2)Br(2)(C(12)H(10)N(2))](n), the Cu cation is coordinated by an N atom from the 1,2-bis-(4-pyrid-yl)ethene ligand and three Br(-) anions in a distorted tetra-hedral CuBr(3)N coordination geometry. Each Br(-) anion bridges three Cu cations related by inversion centers, forming a stair-like polymeric chain along the a axis, and the terminal N atoms of the 1,2-bis-(4-pyrid-yl)ethene ligand, located across an inversion center, coordinate the Cu cations from neighboring chains, forming polymeric sheets.

| S-EPMC3007837 | biostudies-literature

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