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Supramolecular assembly of oxalatomolybdates controlled by the hydrogen bonding potential of Co(III)-ammine cations (CROSBI ID 251144)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cindrić, Marina ; Stilinović, Vladimir ; Rubčić, Mirta ; Medak, Glorija ; Šišak Jung, Dubravka ; Vrdoljak, Višnja ; Supramolecular assembly of oxalatomolybdates controlled by the hydrogen bonding potential of Co(III)-ammine cations // Crystengcomm, 20 (2018), 1889-1898. doi: 10.1039/c7ce02205k

Podaci o odgovornosti

Cindrić, Marina ; Stilinović, Vladimir ; Rubčić, Mirta ; Medak, Glorija ; Šišak Jung, Dubravka ; Vrdoljak, Višnja ;

engleski

Supramolecular assembly of oxalatomolybdates controlled by the hydrogen bonding potential of Co(III)-ammine cations

A systematic study of the possibility of controlling the formation of oxalatomolybdate anions by the choice of a counterion and adjustment of pH was presented. Using four CoIII(ammine) macrocations ([Co(NH3)6]3+, [Co(NO2)(NH3)5]2+, [Co(en)3]3+ and [Co(ox) (en)2]+) in acidic aqueous solutions, ten crystalline solids were obtained. They were found to contain a total of six different oxalatomolybdate species, three of which, a cyclic tetramer, [Mo2O4(μ-O)2(ox)2]2 8−, a linear tetramer [Mo4O8(μ- O)3(ox)4(H2O)2]6− and a polymer, [Mo4O11(ox)4(H2O)]n 6n– have not been reported to date. The oxalatomolybdate species found in solids mostly do correspond with the predominant species in solution at the pH of the solution from which they were obtained. Condensation of those species can be correlated with the hydrogen bonding ability of the used macrocation, a complex cation of Co(III).

oxalatomolybdates, macrocations, Co(III) amine complexes

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Podaci o izdanju

20

2018.

1889-1898

objavljeno

1466-8033

10.1039/c7ce02205k

Povezanost rada

Kemija

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