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Poly[tetra-butyl-tetra-kis-(μ(2)-hydrogen phenyl-phospho-nato)ditin(IV)].

ABSTRACT: In the title compound, [Sn(2)(C(4)H(9))(4)(C(6)H(6)PO(3))(4)](n), the basic unit is a dimer containing two symmetry-related Sn(IV) atoms bridged by two hydrogenphenylphosphonate anions. This fragment is located about an inversion center, and each Sn(IV) atom is linked to two other hydrogenphenylphosphonate anions, giving a layered structure parallel to (010). The coordination geometry for the Sn(IV) atoms is close to octa-hedral. The layers are connected via O-H⋯O hydrogen bonds, generating a three-dimensional network. One butyl group is disordered over two sets of sites, with occupancies of 0.49 (2) and 0.51 (2).

SUBMITTER: Sarr M

PROVIDER: S-EPMC3515099 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Dicyclo-hexyl-ammonium trimethyl-bis-(hydrogen phenyl-phospho-nato)stannate(IV).

Project description:In the title compound, (C(12)H(24)N)[Sn(CH(3))(3)(C(6)H(6)O(3)P)(2)], the SnMe(3) residues are axially coordinated by two monodentate [PhPO(3)H](-) anions, leading to a trigonal-bipyramidal geometry for the Sn(IV) atom. The two [SnMe(3)(PhPO(3)H)(2)](-) anions in the unit cell are associated into infinite chains along the a axis by O-H?O hydrogen bonds involving the hy-droxy group of the hydrogen phenyl-phospho-nate ion. The chains inter-act with one another via O-H?O hydrogen bonds along the c axis. These networks of anions assemble with the dicyclo-hexyl-ammonium ion through N-H?O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3238759 | biostudies-literature

Tetra-phenyl-phospho-nium hydrogen oxalate.

Project description:In the title compound, C(24)H(20)P(+)·C(2)HO(4) (-), two symmetry-independent ion pairs are present. The cations aggregate into puckered sheets via zigzag infinite chains of sixfold phenyl embraces and parallel fourfold phenyl embraces, while the anions form hydrogen-bonded chains between the sheets of cations. In the two independent oxalate anions, the angles between the normals to the two least-squares carboxyl-ate COO planes are unusually large, viz. 72.5?(1) and 82.1?(1)°.

| S-EPMC2915301 | biostudies-literature

Poly[diaqua-(?(4)-carboxyl-atomethyl-phospho-nato)(?(4)-carb-oxy-methyl-phospho-nato)penta-deca-methyl-penta-tin(IV)].

Project description:The central Sn(IV) atom of the penta-nuclear title complex, {[Sn(CH(3))(3)](3)O(2)C(CH(2))PO(3)[Sn(CH(3))(3)(H(2)O)](2)HO(2)C(CH(2))PO(3)}, is located on a twofold rotation axis; due to symmetry, the H atom of the carboxyl group of the anion is disordered with a site occupancy of 0.5. The central Sn(IV) atom is bonded to three methyl groups (one of which is disordered about the twofold rotation axis) and is symmetrically trans coordinated by two phospho-nate groups with Sn-O = 2.2665?(12)?Å while the other SnMe(3) residues are asymmetrically trans coordinated with Sn-O = 2.1587?(12) and 2.3756?(13)?Å for one residue and Sn-O = 2.1522?(12) and 2.4335?(12)?Å for the other; the Sn-O distances involving two O atoms trans to carboxyl-ate are longer than those trans to phospho-nate groups. The Sn-C distances lie in a very narrow range [2.112?(2)-2.133?(3)?Å]. The oxyanion behaves as a tetra-coordinating ligand. The bridging mode of the latter leads to the formation of layers parallel to (001) that are inter-connected by O-H?O and C-H?O hydrogen bonds.

| S-EPMC3569204 | biostudies-literature

catena-Poly[[trimethyl-tin(IV)]-?-(1,1'-binaphthyl-2,2'-diyl phospho-nato)].

Project description:In the title polymeric coordination compound, [Sn(CH(3))(3)(C(20)H(12)O(4)P)](n), the Sn atom exhibits a distorted trigonal-bipyramidal coordination geometry with the phosphate O atoms of the 1,1'-binaphthyl-2,2'-diyl phospho-nate ligands in axial positions and equatorial sites occupied by the three methyl groups. Adjacent Sn atoms are bridged by coordination to the two O atoms of each 1,1'-binaphthyl-2,2'-diyl phospho-nate ligand, forming a one-dimensional chain structure parallel to the b axis.

| S-EPMC2980144 | biostudies-literature

Nitro-sonium complexation by the tetra-phospho-nate cavitand 5,11,17,23-tetra-methyl-6,10:12,16:18,22:24,4-tetra-kis-(phenyl-phospho-nato-?2O,O)resorcin(4)arene.

Project description:The crystal structure of a new supra-molecular complex between the tetra-phos-pho-nate cavitand 5,11,17,23-tetra-methyl-6,10:12,16:18,22:24,4-tetra-kis(phenyl-phospho-nato-?2O,O')resorcin(4)arene and the nitrosyl cation NO+, as the BF4- salt, is reported. The complex, of general formula [(C56H44P4O12)(NO)]BF4·CH2Cl2 or NO@Tiiii[H, CH3, C6H5] BF4·CH2Cl2, crystallizes in the space group P-1. The nitrosyl cation is disordered over two equivalent positions, with occupancies of 0.503?(2) and 0.497?(2), and inter-acts with two adjacent P=O groups at the upper rim of the cavitand through dipole-charge inter-actions. In the lattice, the cavitands are connected through a series of C-H?? inter-actions involving the methyl and methyl-enic H atoms and the aromatic rings of the macrocycle. The structure is further stabilized by the presence of C-H?F inter-actions between the hydrogen atoms of the cavitands and the F atoms of the tetra-fluorido-borate anion. As a result of the disorder, the lattice di-chloro-methane mol-ecules could not be modelled in terms of atomic sites, and were treated using the PLATON SQUEEZE procedure [Spek (2015 ?). Acta Cryst. C71, 9-18]. The complexation process has also been studied in solution through NMR titrations.

| S-EPMC5730227 | biostudies-literature

The one-dimensional coordination polymer poly[tetra-kis-[(4-chloro-phen-yl)methanaminium] [cadmate-μ-cyclo-hexa-phospho-rato]].

Project description:Cyclo-hexa-phospho-ric acid (P(6)O(18)H(6)) reacts with cadmium carbonate and 4-chloro-benzyl-amine (CBA) to give the mononuclear title complex, (C(7)H(9)ClN)(4)[Cd(P(6)O(18))](n), in which the Cd(II) atom, lying on an inversion centre, has an octa-hedral coordination built of six O atoms of two centrosymmetric P(6)O(18) rings. Each P(6)O(18) ligand acts as a bridge, linking two Cd(II) atoms and forming an anionic coordination polymer [Cd(P(6)O(18))(4-)](n) extending along [010]. Adjacent polymeric chains are connected through N-H⋯O and C-H⋯O hydrogen bonds, generating a three-dimensional supra-molecular network.

| S-EPMC3246971 | biostudies-literature

Poly[aqua(?-vinyl-phospho-nato)cadmium].

Project description:The title compound, [Cd(C(2)H(3)O(3)P)(H(2)O)](n), was obtained from vinyl-phospho-nic acid and cadmium nitrate. The vinyl groups project into the inter-lamellar space and the structure is held together via van der Waals forces. The Cd(2+) ion is six-coordinate and the geometry is best described as distorted octa-hedral, with O-Cd-O angles falling within the range 61.72?(13)-101.82?(14)°. Five of the coordinated oxygen atoms originate from the phospho-nate group and the sixth from a bound water molecule. Cd-O distances lie between 2.220?(3) and 2.394?(2)?Å. The water mol-ecule is hydrogen bonded to a phospho-nate oxygen atom.

| S-EPMC3099788 | biostudies-literature

Poly[[tetra-deca-kis-(μ-propionato)hepta-barium] propionic acid monosolvate tetra-hydrate].

Project description:The title compound, {[Ba7(C3H5O2)14]·0.946C3H6O2·4H2O} n , is represented by a metal-organic framework structure that is held together by Ba-O-Ba bonds, as well as by O-H⋯O hydrogen bonds of moderate strength. The structure comprises of four independent Ba2+ cations (one of which is situated on a twofold rotation axis), seven independent propionate and two independent water mol-ecules. The bond-valence sums of all the cations indicate a slight overbonding. There is also an occupationally, as well as a positionally disordered propionic acid mol-ecule present in the structure. Its occupation is slightly lower than the full occupation while the disordered mol-ecules occupy two positions related by a rotation about a twofold rotation axis. In addition, the methyl group in the symmetry-independent propionic acid mol-ecule is also disordered, and occupies two positions. Each propionic acid mol-ecule coordinates to just one cation from a pair of symmetry-equivalent Ba2+ sites and is simultaneously bonded by an O-H⋯Opropionate hydrogen bond. This means that on a microscopic scale, the coordination number of the corresponding Ba2+ site is either 9 or 10. The methyl as well as hy-droxy hydrogen atoms of the disordered propionic acid mol-ecule were not determined.

| S-EPMC7001838 | biostudies-literature

Tetra-butyl-ammonium hydrogen phenyl-arsonate-phenyl-arsonic acid (1/1).

Project description:The structure of the title salt adduct, (C(4)H(9))(4)N(+)·C(6)H(5)AsO(3)H(-)·C(6)H(5)AsO(3)H(2), features chains along the a axis comprising alternating hydrogen phenyl-arsonate anions and phenyl-arsonic acid mol-ecules linked by O-H?O hydrogen bonds.

| S-EPMC3435622 | biostudies-literature

Tetra-kis[3,5-bis-(trifluoro-meth-yl)phenyl]tin(IV).

Project description:The title mol-ecule, [Sn(C(8)H(3)F(6))(4)], lies on a twofold rotation axis with the Sn(IV) ion in a distorted tetra-hedral coordination environment. Both -CF(3) groups attached to one of the unique benzene rings are disordered over two sets of sites, with the ratios of refined occupancies being 0.719?(14):0.281?(14) and 0.63?(5):0.37?(5).

| S-EPMC2969316 | biostudies-literature

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