All Outputs (81)

Coordination Chemistry and Structural Dynamics of a Long and Flexible Piperazine-Derived Ligand (2016)
Journal Article
Hawes, C. S., Hamilton, S. E., Hicks, J., Knowles, G. P., Chaffee, A. L., Turner, D. R., & Batten, S. R. (2016). Coordination Chemistry and Structural Dynamics of a Long and Flexible Piperazine-Derived Ligand. Inorganic Chemistry, 55(13), 6692-6702. https://doi.org/10.1021/acs.inorgchem.6b00933

A long and highly flexible internally functionalized dipyridyl ligand α,α′-p-xylylenebis(1-(4-pyridylmethylene)-piper-4-azine), L, has been employed in the synthesis of a series of coordination polymer materials with CoII, CdII, and AgI ions. In poly... Read More about Coordination Chemistry and Structural Dynamics of a Long and Flexible Piperazine-Derived Ligand.

Synthesis and structural studies of 1,4-di(2-pyridyl)-1,2,3-triazole dpt and its transition metal complexes; a versatile and subtly unsymmetric ligand (2016)
Journal Article
McCarney, E. P., Hawes, C. S., Blasco, S., & Gunnlaugsson, T. (in press). Synthesis and structural studies of 1,4-di(2-pyridyl)-1,2,3-triazole dpt and its transition metal complexes; a versatile and subtly unsymmetric ligand. Dalton Transactions, 45(25), 10209-10221. https://doi.org/10.1039/c6dt01416j

The synthesis of the ‘click’ derived 1,4-di(2-pyridyl)-1,2,3-triazole (dpt) chelator/ligand from 2-azidopyridine and 2-ethynylpyridine using Cu(I) and TBTA by microwave assisted synthesis is presented. The complexes of the subtly unsymmetric dpt liga... Read More about Synthesis and structural studies of 1,4-di(2-pyridyl)-1,2,3-triazole dpt and its transition metal complexes; a versatile and subtly unsymmetric ligand.

Metallosupramolecular architectures based upon new 2-(1-pyrazolyl)-benzimidazole chelating ligands (2015)
Journal Article
Hawes, C. S., & Kruger, P. E. (2015). Metallosupramolecular architectures based upon new 2-(1-pyrazolyl)-benzimidazole chelating ligands. Supramolecular Chemistry, 27(11-12), 757-771. https://doi.org/10.1080/10610278.2015.1067315

In this article, we report the synthesis and characterisation of five ligands L1–L5 containing the 2-(pyrazol-1-yl)-benzimidazole chelating group, and investigate their structural chemistry when reacted with either Cu(II) or Zn(II) ions. The mononucl... Read More about Metallosupramolecular architectures based upon new 2-(1-pyrazolyl)-benzimidazole chelating ligands.

Modulating Porosity through Conformer-Dependent Hydrogen Bonding in Copper(II) Coordination Polymers (2015)
Journal Article
Hawes, C. S., Knowles, G. P., Chaffee, A. L., Turner, D. R., & Batten, S. R. (2015). Modulating Porosity through Conformer-Dependent Hydrogen Bonding in Copper(II) Coordination Polymers. Crystal Growth and Design, 15(7), 3417-3425. https://doi.org/10.1021/acs.cgd.5b00502

A new divergent ligand, N,N′-bis(4-carboxyphenylmethylene)ethane-1,2-diamine (H4L1), has been prepared in high yield and used to generate two copper(II) coordination polymer materials, poly-[Cu(H2L1)(OH2)]·H2O (1) and poly-[Cu(H2L1)(OH2)]·H2O·DMF (2)... Read More about Modulating Porosity through Conformer-Dependent Hydrogen Bonding in Copper(II) Coordination Polymers.

The synthesis and characterisation of coordination and hydrogen-bonded networks based on 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acid (2015)
Journal Article
Bryant, M. R., Burrows, A. D., Fitchett, C. M., Hawes, C. S., Hunter, S. O., Keenan, L. L., …Richardson, C. (in press). The synthesis and characterisation of coordination and hydrogen-bonded networks based on 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acid. Dalton Transactions, 44(19), 9269-9280. https://doi.org/10.1039/c5dt00011d

The synthesis, structural and thermal characterisation of a number of coordination complexes featuring the N,O-heteroditopic ligand 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoate, HL are reported. The reaction of H2L with cobalt(II) and nickel(II) nitrates... Read More about The synthesis and characterisation of coordination and hydrogen-bonded networks based on 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acid.

Structural chemistry and selective CO2uptake of a piperazine-derived porous coordination polymer (2015)
Journal Article
Hawes, C. S., White, K. F., Abrahams, B. F., Knowles, G. P., Chaffee, A. L., Batten, S. R., & Turner, D. R. (in press). Structural chemistry and selective CO2uptake of a piperazine-derived porous coordination polymer. CrystEngComm, 17(10), 2196-2203. https://doi.org/10.1039/c4ce02547d

A new piperazine-derived ligand has been prepared and used to synthesise a porous coordination polymer which displays selective carbon dioxide uptake after solvent exchange and thermal activation. The ligand N,N′-bis(4-carboxyphenylmethylene)piperazi... Read More about Structural chemistry and selective CO2uptake of a piperazine-derived porous coordination polymer.

The influence of anion, ligand geometry and stoichiometry on the structure and dimensionality of a series of AgI-bis(cyanobenzyl)piperazine coordination polymers (2014)
Journal Article
Beeching, L. J., Hawes, C. S., Turner, D. R., & Batten, S. R. The influence of anion, ligand geometry and stoichiometry on the structure and dimensionality of a series of AgI-bis(cyanobenzyl)piperazine coordination polymers. CrystEngComm, 16(28), 6459-6468. https://doi.org/10.1039/c4ce00816b

Two new bis-(cyanobenzyl)piperazine ligands have been prepared, and have been used to prepare five Ag(I) coordination polymers which have been structurally characterised. Ligand N,N′-bis((4-cyanophenyl)methyl)piperazine L1 gave two structurally relat... Read More about The influence of anion, ligand geometry and stoichiometry on the structure and dimensionality of a series of AgI-bis(cyanobenzyl)piperazine coordination polymers.

Metal–organic frameworks as stationary phases for mixed-mode separation applications (2014)
Journal Article
Hawes, C. S., Nolvachai, Y., Kulsing, C., Knowles, G. P., Chaffee, A. L., Marriott, P. J., …Turner, D. R. (2014). Metal–organic frameworks as stationary phases for mixed-mode separation applications. Chemical Communications, 50(28), 3735. https://doi.org/10.1039/c4cc00933a

Polymorphic metal–organic framework (MOF) materials offer a platform for small-scale separation of complex mixtures of polycyclic aromatic hydrocarbons (PAHs) and polar compounds. Retention factors show dependence on both analyte dimensions and polar... Read More about Metal–organic frameworks as stationary phases for mixed-mode separation applications.

Exploiting the Pyrazole-Carboxylate Mixed Ligand System in the Crystal Engineering of Coordination Polymers (2014)
Journal Article
Hawes, C. S., Moubaraki, B., Murray, K. S., Kruger, P. E., Turner, D. R., & Batten, S. R. (2014). Exploiting the Pyrazole-Carboxylate Mixed Ligand System in the Crystal Engineering of Coordination Polymers. Crystal Growth and Design, 14(11), 5749-5760. https://doi.org/10.1021/cg501004u

The utility of the pyrazole-carboxylate mixed ligand system has been probed with the synthesis of five new coordination polymers, derived from bis-pyrazole ligand 4,4′-methylenebis(3,5-dimethyl-1H-pyrazole) H2L1, large semirigid dicarboxylate coligan... Read More about Exploiting the Pyrazole-Carboxylate Mixed Ligand System in the Crystal Engineering of Coordination Polymers.

Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry (2014)
Journal Article
Hawes, C. S., & Kruger, P. E. (2014). Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry. Dalton Transactions, 43(43), 16450-16458. https://doi.org/10.1039/c4dt02428a

Reported here are the syntheses of four indazole-based ligands and the structural characterisation of four Cu(II) complexes derived from them. The ligands 1-(2-pyridyl)-1H-indazole, L1, and 2-(2-pyridyl)-2H-indazole, L2, have been characterised by si... Read More about Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry.

Ultramicroporous MOF with High Concentration of Vacant CuII Sites (2014)
Journal Article
McCormick, L. J., Duyker, S. G., Thornton, A. W., Hawes, C. S., Hill, M. R., Peterson, V. K., …Turner, D. R. (2014). Ultramicroporous MOF with High Concentration of Vacant CuII Sites. Chemistry of Materials, 26(15), 4640-4646. https://doi.org/10.1021/cm502189c

An ultramicroporous metal–organic framework (MOF) is reported that contains 0.35 nm nanotube-like channels with an unprecedented concentration of vacant CuII coordination sites. The nonintersecting, narrow channels in [Cu3(cdm)4] (cdm = C(CN)2(CONH2)... Read More about Ultramicroporous MOF with High Concentration of Vacant CuII Sites.

Liquid-Phase Enantioselective Chromatographic Resolution Using Interpenetrated, Homochiral Framework Materials (2014)
Journal Article
Boer, S. A., Nolvachai, Y., Kulsing, C., McCormick, L. J., Hawes, C. S., Marriott, P. J., & Turner, D. R. (2014). Liquid-Phase Enantioselective Chromatographic Resolution Using Interpenetrated, Homochiral Framework Materials. Chemistry - A European Journal, 20(36), 11308-11312. https://doi.org/10.1002/chem.201404047

Effective separation of mixtures of enantiomers is of continuing interest in analytical and preparative chromatography, with new materials frequently designed and tested. We report two new enantiomerically pure 2D→3D interpenetrated materials used as... Read More about Liquid-Phase Enantioselective Chromatographic Resolution Using Interpenetrated, Homochiral Framework Materials.

Preparation of open and closed forms of the lvt network with Cu(II) complexes of structurally related 1,2-diazole ligands (2014)
Journal Article
Hawes, C. S., & Kruger, P. E. (in press). Preparation of open and closed forms of the lvt network with Cu(II) complexes of structurally related 1,2-diazole ligands. RSC advances, 4(30), 15770. https://doi.org/10.1039/c4ra02147a

Reported here are the synthesis and structural characterisation of two topologically related coordination polymers: [Cu(L1)(CH3CONH2)], 1, and [Cu(L2)(NMP)]·0.5NMP·0.5H2O, 2, (NMP = N-methyl-pyrrolidinone) prepared from 1H-indazole-3-carboxylic acid,... Read More about Preparation of open and closed forms of the lvt network with Cu(II) complexes of structurally related 1,2-diazole ligands.

Hydrogen-Bonding Motifs in Piperazinediium Salts (2014)
Journal Article
Hawes, C., Chen, C., Tran, A., & Turner, D. (2014). Hydrogen-Bonding Motifs in Piperazinediium Salts. Crystals, 4(1), 53-63. https://doi.org/10.3390/cryst4010053

Four novel organic salts of piperazine and 2-methylpiperazine with p-toluenesulfonic acid and chloroacetic acid have been synthesized and structurally characterized. The hydrogen-bonding ring synthons that exist between the cation/anion pairs are com... Read More about Hydrogen-Bonding Motifs in Piperazinediium Salts.

Dimensionality Variation in Dinuclear Cu(II) Complexes of a Heterotritopic Pyrazolate Ligand (2014)
Journal Article
Hawes, C. S., & Kruger, P. (2014). Dimensionality Variation in Dinuclear Cu(II) Complexes of a Heterotritopic Pyrazolate Ligand. Crystals, 4(1), 32-41. https://doi.org/10.3390/cryst4010032

Two new Cu(II) complexes of the ligand 3-carboxy-5-(2-pyridyl)-1H-pyrazole, H2L1, have been prepared and structurally characterized and found to be comprised of a similar [M2L2] dimer motif. Subtle variation in the synthetic conditions allowed isolat... Read More about Dimensionality Variation in Dinuclear Cu(II) Complexes of a Heterotritopic Pyrazolate Ligand.

Engineering entanglement: controlling the formation of polycatenanes and polyrotaxanes using π interactions (2013)
Journal Article
Boer, S. A., Hawes, C. S., & Turner, D. R. (in press). Engineering entanglement: controlling the formation of polycatenanes and polyrotaxanes using π interactions. Chemical Communications, 50(9), 1125-1127. https://doi.org/10.1039/c3cc48802k

A reproducible metallocyclic motif containing amino-acid functionalised aromatic diimides has been employed to demonstrate remarkable control over entanglement topologies. [2]-Catenane and pseudo-rotaxane units give rise to 1D → 2D polycatenation, th... Read More about Engineering entanglement: controlling the formation of polycatenanes and polyrotaxanes using π interactions.

Self-assembly of discrete and polymeric metallosupramolecular architectures from cyclen-derived ligands (2013)
Journal Article
Hawes, C. S., Batten, S. R., & Turner, D. R. (2014). Self-assembly of discrete and polymeric metallosupramolecular architectures from cyclen-derived ligands. CrystEngComm, 16(18), 3737-3748. https://doi.org/10.1039/c3ce42141d

Two divergent ligands 1,4,7,10-tetrakis-(4-cyanobenzyl)-1,4,7,10-tetraazacyclododecane L1 and 1,4,7,10-tetrakis-(4-carboxybenzyl)-1,4,7,10-tetraazacyclododecane dihydrochloride dihydrate H6L2·2Cl·2H2O have been prepared and structurally characterised... Read More about Self-assembly of discrete and polymeric metallosupramolecular architectures from cyclen-derived ligands.

Synthesis, structural and magnetic characterisation of iron(ii/iii), cobalt(ii) and copper(ii) cluster complexes of the polytopic ligand: N-(2-pyridyl)-3-carboxypropanamide (2013)
Journal Article
Russell, M. E., Hawes, C. S., Ferguson, A., Polson, M. I. J., Chilton, N. F., Moubaraki, B., …Kruger, P. E. (2013). Synthesis, structural and magnetic characterisation of iron(ii/iii), cobalt(ii) and copper(ii) cluster complexes of the polytopic ligand: N-(2-pyridyl)-3-carboxypropanamide. Dalton Transactions, 42(37), 13576. https://doi.org/10.1039/c3dt51301g

Herein we describe the synthesis, structural and magnetic characterisation of three transition metal cluster complexes that feature the polytopic ligand N-(2-pyridyl)-3-carboxypropanamide (H2222L): [Fe3IIIFe2II(HL)6(O)(H2O)3][ClO4]5·3MeCN·4H2O, 1, [C... Read More about Synthesis, structural and magnetic characterisation of iron(ii/iii), cobalt(ii) and copper(ii) cluster complexes of the polytopic ligand: N-(2-pyridyl)-3-carboxypropanamide.

Acid directed in situ oxidation and decarboxylation of 4,4′,6,6′-tetra-methyl-2,2′-bipyridine: Synthesis and structural characterisation of 4,4′,6-tri-carboxy-2,2′-bipyridine and its copper(II) coordination polymer (2012)
Journal Article
Kelly, N. R., Goetz, S., Hawes, C. S., & Kruger, P. E. (2013). Acid directed in situ oxidation and decarboxylation of 4,4′,6,6′-tetra-methyl-2,2′-bipyridine: Synthesis and structural characterisation of 4,4′,6-tri-carboxy-2,2′-bipyridine and its copper(II) coordination polymer. Inorganica Chimica Acta, 403, 102-109. https://doi.org/10.1016/j.ica.2012.12.033

Discrete and Polymeric Cu(II) Coordination Complexes with a Flexible bis-(pyridylpyrazole) Ligand: Structural Diversity and Unexpected Solvothermal Reactivity (2012)
Journal Article
Hawes, C. S., & Kruger, P. E. (2013). Discrete and Polymeric Cu(II) Coordination Complexes with a Flexible bis-(pyridylpyrazole) Ligand: Structural Diversity and Unexpected Solvothermal Reactivity. Australian Journal of Chemistry, 66(4), 401. https://doi.org/10.1071/ch12443

Reported here is the synthesis and structural characterisation of five copper complexes derived from the bis-bidentate ligand 4,4′-methylenebis(1-(2-pyridyl)-3,5-dimethylpyrazole), L. Complex 1, [Cu2L(CH3COO)4(OH2)2]·6H2O, is a single stranded unsatu... Read More about Discrete and Polymeric Cu(II) Coordination Complexes with a Flexible bis-(pyridylpyrazole) Ligand: Structural Diversity and Unexpected Solvothermal Reactivity.