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Anhydrous penta-guanidinium dihydrogen nona-vanado(IV)platinate(IV).

ABSTRACT: The title compound, (CH(6)N(3))(5)[H(2)PtV(9)O(28)], containing the nona-vanadoplatinate(IV) polyanion, was obtained by hydro-thermal reaction. The polyanion has approximate C(2v) symmetry. The two Pt-bound ?(2)-O atoms are protonated in the polyanion. The heteropolyanions form inversion-generated dimers, {[H(2)PtV(9)O(28)](2)}(10-), held together by each of the two ?(2)-O-H??(2)-O and ?(2)-O-H??(3)-O hydrogen bonds. The guanidinium cations are hydrogen bonded with the ?(2)- and terminal O atoms of the polyanion, connecting the polyanions into a three-dimensional network.

SUBMITTER: Joo HC

PROVIDER: S-EPMC3238708 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Anhydrous penta-guanidinium dihydrogen nona-vanado(IV)platinate(IV).

Joo Hea-Chung HC Park Ki-Min KM Lee Uk U

Acta crystallographica. Section E, Structure reports online 20111123 Pt 12

The title compound, (CH(6)N(3))(5)[H(2)PtV(9)O(28)], containing the nona-vanadoplatinate(IV) polyanion, was obtained by hydro-thermal reaction. The polyanion has approximate C(2v) symmetry. The two Pt-bound μ(2)-O atoms are protonated in the polyanion. The heteropolyanions form inversion-generated dimers, {[H(2)PtV(9)O(28)](2)}(10-), held together by each of the two μ(2)-O-H⋯μ(2)-O and μ(2)-O-H⋯μ(3)-O hydrogen bonds. The guanidinium cations are hydrogen bonded with the μ(2)- and terminal O atoms ...[more]

PMID: 22199585

Similar Datasets

Crystal structure of penta-potassium di-hydrogen nona-vanadato(V)platinate(IV) nona-hydrate.

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| S-EPMC3238577 | biostudies-literature

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Diaqua-dichloridomethyl-phenyl-tin(IV)-1,4,7,10,13-penta-oxacyclo-penta-decane (1/1).

Project description:The asymmetric unit of the title cocrystal, [Sn(CH(3))(C(6)H(5))Cl(2)(H(2)O)(2)]·C(10)H(20)O(5), contains two independent for-mula units. The organotin molecules exhibit a six-coordinate metal atom and are linked to the crown ether molecules by water-crown ether O-H⋯O hydrogen bonds into a linear chain running along [101]. Each coordinated water mol-ecule forms a pair of hydrogen bonds to the same crown ether; for the crown ether mol-ecules, only four of the five O atoms are engaged in hydrogen-bonding inter-actions. The metal ions show a distorted trans-C(2)SnCl(2)O(2) octa-hedral coordination geometry [C-Sn-C = 175.3 (1) and 178.9 (1)°].

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Erratum: Poly[?(2)-chlorido-nona-methyl-?(3)-nitrato-tritin(IV)]. Corrigendum.

Project description:An error in the original formulation of the title compound in the paper by Sadiq-ur-Rehman, Sherzaman, Ali, Shahzadi & Helliwell [Acta Cryst. (2007), E63, m2329] is corrected.The title compound in the paper by Sadiq-ur-Rehman, Sherzaman, Ali, Shahzadi & Helliwell [Acta Cryst. (2007), E63, m2329] was an unexpected product which seemed to have nitrate coordinated to three Sn atoms. However, it was noticed that the charges do not balance and that it is most likely that the nitrate is in fact a carbonate. Regrettably, there is no material to carry out microanalysis, but a plausible mechanism has been suggested to explain the unexpected formation of the product. Trimethyl-tin chloride will react with methanol in the presence of a base (4-hydroxy-piperidine) to give trimethyl-tin methoxide, which will rapidly hydrolyze in air to give the hydroxide. Both the methoxide and the hydroxide will react with atmospheric CO(2) to give the carbonate (Bloodworth et al., 1967 ?; Blunden et al., 1984 ?; Sato, 1967 ?). Me(3)SnCl + MeOH + base ? Me(3)SnOMe + base·HCl Me(3)SnOMe + H(2)O ? Me(3)SnOH + MeOH Me(3)SnOH + CO(2) ? Me(3)SnOCO(2)HMe(3)SnOCO(2)H + Me(3)SnOMe ? Me(3)SnOCO(2)SnMe(3) + MeOH. The carbonate then forms a coordination copolymer with trimethyl-tin chloride. The name of the title compound is corrected to poly[?(3)-carbonato-?(3)-chlorido-nona-methyl-tri-tin(IV)], [Sn(3)(CH(3))(9)(CO(3))Cl] (M(r) = 586.84).[This corrects the article DOI: 10.1107/S1600536808017091.].

| S-EPMC2961754 | biostudies-literature

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