A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane

Amitabha Datta, Kuheli Das, Chiara Massera, Jack K. Clegg, Michael C. Pfrunder, Eugenio Garribba, Jui-Hsien Huang, Chittaranjan Sinha, Tapas Kumar Maji, Takashiro Akitsu, Shingo Orita

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The cobalt derivative {[Co3(2-stp)2(dpp)4]·2H2O}n (1) has been hydro(solvo)thermally synthesised by combining sodium 2-sulfoterephthalic acid (2-stpH2Na) and divalent cobalt nitrate in presence of the flexible N-donor co-ligand dpp (1,3-di(4-pyridyl)propane). Single-crystal X-ray diffraction shows that 1 is a twodimensional coordination polymer with carboxylate and sulfonate oxygens and pyridyl nitrogens coordinated to the two symmetry independent octahedral cobalt(II) centres. UV-Vis, magnetic and EPR studies show that the cobalt(II) centres are high-spin. Compound 1 proved to be robust to the removal of the solvent water molecules, which was achieved by heating the sample to yield the desolvated complex {[Co3(2-stp)2(dpp)4]}n (2). 2 was also characterised by single-crystal X-ray diffraction at 331 K. Gas sorption studies on this material showed only surface binding of N2 and modest uptake for CO2. The crystallographic analysis also shows that upon desolvation, the flexible propyl groups of the dpp ligand adjust their positions, reducing the potentially accessible void volumes and accounting for the gas adsorption results.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalInorganic Chemistry Frontiers
Volume2
Issue number2
DOIs
Publication statusPublished - 2015 Feb 1

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Propane
Cobalt
Polymers
Ligands
Single crystals
X ray diffraction
Gas adsorption
Paramagnetic resonance
Sorption
Nitrogen
Gases
Sodium
Oxygen
Derivatives
Heating
Molecules
Acids
Water

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

Cite this

Datta, Amitabha ; Das, Kuheli ; Massera, Chiara ; Clegg, Jack K. ; Pfrunder, Michael C. ; Garribba, Eugenio ; Huang, Jui-Hsien ; Sinha, Chittaranjan ; Maji, Tapas Kumar ; Akitsu, Takashiro ; Orita, Shingo. / A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane. In: Inorganic Chemistry Frontiers. 2015 ; Vol. 2, No. 2. pp. 157-163.
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abstract = "The cobalt derivative {[Co3(2-stp)2(dpp)4]·2H2O}n (1) has been hydro(solvo)thermally synthesised by combining sodium 2-sulfoterephthalic acid (2-stpH2Na) and divalent cobalt nitrate in presence of the flexible N-donor co-ligand dpp (1,3-di(4-pyridyl)propane). Single-crystal X-ray diffraction shows that 1 is a twodimensional coordination polymer with carboxylate and sulfonate oxygens and pyridyl nitrogens coordinated to the two symmetry independent octahedral cobalt(II) centres. UV-Vis, magnetic and EPR studies show that the cobalt(II) centres are high-spin. Compound 1 proved to be robust to the removal of the solvent water molecules, which was achieved by heating the sample to yield the desolvated complex {[Co3(2-stp)2(dpp)4]}n (2). 2 was also characterised by single-crystal X-ray diffraction at 331 K. Gas sorption studies on this material showed only surface binding of N2 and modest uptake for CO2. The crystallographic analysis also shows that upon desolvation, the flexible propyl groups of the dpp ligand adjust their positions, reducing the potentially accessible void volumes and accounting for the gas adsorption results.",
author = "Amitabha Datta and Kuheli Das and Chiara Massera and Clegg, {Jack K.} and Pfrunder, {Michael C.} and Eugenio Garribba and Jui-Hsien Huang and Chittaranjan Sinha and Maji, {Tapas Kumar} and Takashiro Akitsu and Shingo Orita",
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Datta, A, Das, K, Massera, C, Clegg, JK, Pfrunder, MC, Garribba, E, Huang, J-H, Sinha, C, Maji, TK, Akitsu, T & Orita, S 2015, 'A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane', Inorganic Chemistry Frontiers, vol. 2, no. 2, pp. 157-163. https://doi.org/10.1039/c4qi00201f

A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane. / Datta, Amitabha; Das, Kuheli; Massera, Chiara; Clegg, Jack K.; Pfrunder, Michael C.; Garribba, Eugenio; Huang, Jui-Hsien; Sinha, Chittaranjan; Maji, Tapas Kumar; Akitsu, Takashiro; Orita, Shingo.

In: Inorganic Chemistry Frontiers, Vol. 2, No. 2, 01.02.2015, p. 157-163.

Research output: Contribution to journalArticle

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AU - Datta, Amitabha

AU - Das, Kuheli

AU - Massera, Chiara

AU - Clegg, Jack K.

AU - Pfrunder, Michael C.

AU - Garribba, Eugenio

AU - Huang, Jui-Hsien

AU - Sinha, Chittaranjan

AU - Maji, Tapas Kumar

AU - Akitsu, Takashiro

AU - Orita, Shingo

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N2 - The cobalt derivative {[Co3(2-stp)2(dpp)4]·2H2O}n (1) has been hydro(solvo)thermally synthesised by combining sodium 2-sulfoterephthalic acid (2-stpH2Na) and divalent cobalt nitrate in presence of the flexible N-donor co-ligand dpp (1,3-di(4-pyridyl)propane). Single-crystal X-ray diffraction shows that 1 is a twodimensional coordination polymer with carboxylate and sulfonate oxygens and pyridyl nitrogens coordinated to the two symmetry independent octahedral cobalt(II) centres. UV-Vis, magnetic and EPR studies show that the cobalt(II) centres are high-spin. Compound 1 proved to be robust to the removal of the solvent water molecules, which was achieved by heating the sample to yield the desolvated complex {[Co3(2-stp)2(dpp)4]}n (2). 2 was also characterised by single-crystal X-ray diffraction at 331 K. Gas sorption studies on this material showed only surface binding of N2 and modest uptake for CO2. The crystallographic analysis also shows that upon desolvation, the flexible propyl groups of the dpp ligand adjust their positions, reducing the potentially accessible void volumes and accounting for the gas adsorption results.

AB - The cobalt derivative {[Co3(2-stp)2(dpp)4]·2H2O}n (1) has been hydro(solvo)thermally synthesised by combining sodium 2-sulfoterephthalic acid (2-stpH2Na) and divalent cobalt nitrate in presence of the flexible N-donor co-ligand dpp (1,3-di(4-pyridyl)propane). Single-crystal X-ray diffraction shows that 1 is a twodimensional coordination polymer with carboxylate and sulfonate oxygens and pyridyl nitrogens coordinated to the two symmetry independent octahedral cobalt(II) centres. UV-Vis, magnetic and EPR studies show that the cobalt(II) centres are high-spin. Compound 1 proved to be robust to the removal of the solvent water molecules, which was achieved by heating the sample to yield the desolvated complex {[Co3(2-stp)2(dpp)4]}n (2). 2 was also characterised by single-crystal X-ray diffraction at 331 K. Gas sorption studies on this material showed only surface binding of N2 and modest uptake for CO2. The crystallographic analysis also shows that upon desolvation, the flexible propyl groups of the dpp ligand adjust their positions, reducing the potentially accessible void volumes and accounting for the gas adsorption results.

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