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Yusuf Hamied Department of Chemistry

 

Our main interest is in the relationship between the structure and properties of solids. We study the geometric reasons for the chemical activity of solids and the relationship between local order and physical properties, using mathematical techniques and computer graphics. We use solid-state nuclear magnetic resonance spectroscopy (NMR) to examine molecular sieves, minerals, layered materials, fullerenes, ceramics and biological materials.

The G minimal surface divides space into two interpenetrating labyrinths (coloured red and green).

Specific projects:

  • Periodic minimal surfaces (surfaces with zero mean curvature), which appear in a variety of inorganic, organic and biological structures, and the associated mathematical problems.
  • Morphogenesis (the origin of shape and form).
  • Systematic enumeration of crystalline networks using mathematical tiling theory.
  • Graphite, graphite oxide and graphene.
  • Synthesis and characterization of microporous and mesoporous molecular sieves.
  • Synthesis and characterization of metal-organic frameworks (MOFs).

Selected Publications

Hypothetical zeolitic frameworks: In search of potential heterogeneous catalysts. J. Phys. Chem. 112, 1040 (2008)

Low-temperature thermal decomposition of large single crystals of ammonium perchlorate. Chem. Phys. Lett. 454, 233 (2008)

Simulating self-assembly of ZnS nanoparticles into mesoporous materials. J. Am. Chem. Soc. 128, 15283 (2006)

Cross-polarization in the solid state. A guide for chemists. Chem. Rev. 102, 613 (2002)

Synthesis and characterization of a new layered compound of trimesic acid. New Journal of Chemistry 26, 381 (2002)

Exact computation of the triply periodic G ('gyroid") minimal surface. Chem. Phys. Lett. 321, 363 (2000)

Systematic enumeration of crystalline networks. Nature 400, 644 (1999)

Structural studies of tabasheer, an opal of plant origin. Phil. Mag. A 77, 201 (1998)

Structure of graphite oxide revisited. J. Phys. Chem. B102, 4477 (1998)

Solid-state NMR studies of fullerene C60/benzene solvates. J. Phys. Chem. B101, 117 (1997)

New rapidly convergent series representations for z (2 n + 1). Proc. Am. Math. Soc. 125, 1263 (1997)

Directing the pore dimensions in the mesoporous molecular sieve MCM-41. Chem. Phys. Lett. 263, 247 (1996)

Taboo Search: an approach to the multiple-minima problem. Science, 267, 664 (1995)

Publications

A novel supramolecular organic-inorganic adduct containing α-Keggin-type [PW12O40]3- anions and benzo-15-crown-5 molecules
FAA Paz, FL Sousa, PCR Soares-Santos, AMV Cavaleiro, HIS Nogueira, J Klinowski, T Trindade
– Acta Crystallographica Section E: Crystallographic Communications
(2003)
60,
m1
Aerosol-assisted metallo-organic chemical vapour deposition of Bi 2 Se 3 films using single-molecule precursors. The crystal structure of bismuth(iii) dibutyldiselenocarbamate
OC Monteiro, T Trindade, FAA Paz, J Klinowski, J Waters, P O'Brien
– Journal of Materials Chemistry
(2003)
13,
3006
A new polymorph of [(S)-(−)-2-aminomethyl-1-ethylpyrrolidine-κ2N,N′](1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate
MD Jones, FAA Paz, JE Davies, BFG Johnson, J Klinowski
– Acta Crystallographica Section E: Crystallographic Communications
(2003)
59,
M1091
The first dinuclear zinc(II) dithiocarbamate complex with butyl substituent groups
FAA Paz, MC Neves, T Trindade, J Klinowski
– Acta Crystallographica Section E: Crystallographic Communications
(2003)
59,
m1067
Sodium monensin dihydrate
FAA Paz, PJ Gates, S Fowler, A Gallimore, B Harvey, NP Lopes, CBW Stark, J Staunton, J Klinowski, JB Spencer
– Acta Crystallographica Section E: Crystallographic Communications
(2003)
59,
M1050
trans-Bis[(S)-(−)-2-aminomethyl-1-ethylpyrrolidine-κ2N]palladium(II) dichloride methanol trisolvate
MD Jones, FAA Paz, JE Davies, BFG Johnson, J Klinowski
– Acta Crystallographica Section E: Structure Reports Online
(2003)
59,
m1031
Structural evaluation of systematically enumerated hypothetical uninodal zeolites (vol 115, pg 4025, 2003)
RG Bell, J Klinowski
– Angewandte Chemie - International Edition
(2003)
42,
4719
Novel porphyrin-quinazoline conjugates via the Diels-Alder reaction
JPC Tome, AC Tome, MGPMS Neves, FAA Paz, PJ Gates, J Klinowski, JAS Cavaleiro
– Tetrahedron
(2003)
59,
7907
Novel cadmium-organic frameworks with nitrilotriacetate
FAA Paz, J Klinowski
– Journal of Physical Organic Chemistry
(2003)
16,
772
Lanthanide complexes of 2,6-dihydroxybenzoic acid: Synthesis, crystal structures and luminescent properties of [nBu(4)N](2)[Ln(2,6-dhb)(5)(H2O)(2)] (Ln = Sm and Tb)
PCR Soares-Santos, HIS Nogueira, FAA Paz, RAS Ferreira, LD Carlos, J Klinowski, T Trindade
– European Journal of Inorganic Chemistry
(2003)
2003,
3609
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Research Group

Email address

jk18@cam.ac.uk

College

Peterhouse