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Molecular containers: Design approaches and applications (2004)
Journal Article
Turner, D., Pastor, A., Alajarin, M., & Steed, J. (2004). Molecular containers: Design approaches and applications

The design and synthesis of molecular containers is playing an increasing role in the selective removal and detection of species within solution. The cavities offered by such species provide the possibility of three-dimensional molecular recognition... Read More about Molecular containers: Design approaches and applications.

The unusual solid state structure of heroin hydrochloride monohydrate and its selective detection using NQR spectroscopy (2004)
Journal Article
Balchin, E., Malcolme-Lawes, D., Rowe, M., Smith, J., Bearpark, M., Steed, J., …Stephenson, D. (2004). The unusual solid state structure of heroin hydrochloride monohydrate and its selective detection using NQR spectroscopy. New Journal of Chemistry, 28(11), 1309-1314

Heroin hydrochloride monohydrate, the normal crystalline form of this material, has been studied by X-ray crystallography, nuclear quadrupole resonance spectroscopy, and theoretical calculations. The X-ray data at 120 K could be refined in either of... Read More about The unusual solid state structure of heroin hydrochloride monohydrate and its selective detection using NQR spectroscopy.

Bis(carbene)pyridine complexes of the early to middle transition metals: Survey of ethylene oligomerization and polymerization capability (2004)
Journal Article
McGuinness, D., Gibson, V., & Steed, J. (2004). Bis(carbene)pyridine complexes of the early to middle transition metals: Survey of ethylene oligomerization and polymerization capability. Organometallics, 23(26), 6288-6292

Bis(carbene)pyridines of the type 2,6-bis(1-(alkyl/aryl)imidazol-2-ylidene)pyridine have been complexed to Ti, V, Cr, Fe, and Co and single-crystal X-ray structures obtained for two of the complexes (M = Cr, Fe). The structures confirm the tight chel... Read More about Bis(carbene)pyridine complexes of the early to middle transition metals: Survey of ethylene oligomerization and polymerization capability.

The R-1(2)(6) hydrogen-bonded synthon in neutral urea and metal-bound halide systems (2004)
Journal Article
Turner, D., Smith, B., Goeta, A., Evans, I., Tocher, D., Howard, J., & Steed, J. (2004). The R-1(2)(6) hydrogen-bonded synthon in neutral urea and metal-bound halide systems. CrystEngComm, 6, 633-641

The recurrence of the R-1(2)(6) motif between urea and metal bound halides is explored through studies in the CSD, including examples of the closely related thiourea and guanidine-based structures. A series of compounds containing the isomeric pyridy... Read More about The R-1(2)(6) hydrogen-bonded synthon in neutral urea and metal-bound halide systems.

A highly efficient, preorganized macrobicyclic receptor for halides based on CH··· and NH···anion interactions (2004)
Journal Article
Ilioudis, C., Tocher, D., & Steed, J. (2004). A highly efficient, preorganized macrobicyclic receptor for halides based on CH··· and NH···anion interactions. Journal of the American Chemical Society, 126(39), 12395-12402. https://doi.org/10.1021/ja047070g

The preorganized, macrobicyclic azaphane (1) exhibits remarkable strong, selective fluoride binding comparable to the most effective bis(tren) cryptands despite binding anions via only three NH groups coupled with three CH hydrogen bond donors. The l... Read More about A highly efficient, preorganized macrobicyclic receptor for halides based on CH··· and NH···anion interactions.

Synthesis of meta- and paracyclophanes containing unsaturated amino acid residues (2004)
Journal Article
Gibson, S., Jones, J., Kalindjian, S., Knight, J., Mainolfi, N., Rudd, M., …Wright, P. (2004). Synthesis of meta- and paracyclophanes containing unsaturated amino acid residues. Tetrahedron, 60(32), 6945-6958

[7.7], [8.8], [9.9] and [13.13] Paracyclophanes and [9.9] and [13.13] metacyclophanes containing two unsaturated amino acid residues have been synthesised. An X-ray crystallographic study of three of the paracyclophanes and molecular modelling of two... Read More about Synthesis of meta- and paracyclophanes containing unsaturated amino acid residues.

Complexation of I-4(2-) and I-8(2-) by protonated azacyclophanes (2004)
Journal Article
Ilioudis, C., & Steed, J. (2004). Complexation of I-4(2-) and I-8(2-) by protonated azacyclophanes. CrystEngComm, 6, 239-242

A macrocyclic azacyclophane (1) includes two iodide anions within its macrocyclic cavity. The resulting 1 . 2I(-) complex ( in two polymorphic modifications) sandwiches I-2 in the solid state to give a 'complex of complexes' effectively stabilising t... Read More about Complexation of I-4(2-) and I-8(2-) by protonated azacyclophanes.

Linear distortion of octahedral metal centres by multiple hydrogen bonds in modular ML4 systems (2004)
Journal Article
Turner, D., Hursthouse, M., Light, A., & Steed, J. (2004). Linear distortion of octahedral metal centres by multiple hydrogen bonds in modular ML4 systems. Chemical Communications, 2004(12), 1354-1355. https://doi.org/10.1039/B402884H

A series of compounds of the type [M(1)(4)(H2O)(2)]SO(4)(.)2H(2)O containing a simple urea-based pyridyl ligand have been synthesised and characterised by X-ray crystallography. The enclathrated water exists within discrete linearly stacked cavities... Read More about Linear distortion of octahedral metal centres by multiple hydrogen bonds in modular ML4 systems.

A modular, self-assembled, separated ion pair binding system (2004)
Journal Article
Turner, D., Spencer, E., Howard, J., Tocher, D., & Steed, J. (2004). A modular, self-assembled, separated ion pair binding system. Chemical Communications, 1352-1353. https://doi.org/10.1039/B402882A

Assembly of a silver(I) complex of a simple pyridyl ligand containing a urea derivative is templated by nitrate; analogous complexes of Ag2SO4 and AgCF3SO3 exhibit radically different geometries.

Expanding metallaborane chemistry: an octahedral BH6 moiety supported through M-H-B bridges (2004)
Journal Article
McGrady, G., Guilera, G., Steed, J., & Kaltsoyannis, N. (2004). Expanding metallaborane chemistry: an octahedral BH6 moiety supported through M-H-B bridges. New Journal of Chemistry, 28(4), 444-446

The X-ray crystal structure of the complex [(triphos)Fe(mu,eta(4):eta(4)-BH6)Fe(triphos)](+) in conjunction with spectroscopic data reveals a central unit formally described as BH63-; DFT calculations show why this ligand is stable for iron but not f... Read More about Expanding metallaborane chemistry: an octahedral BH6 moiety supported through M-H-B bridges.