Crystallography in South Africa - · PDF fileCrystallography in South Africa . ... Delia...

24
Crystallography in South Africa

Transcript of Crystallography in South Africa - · PDF fileCrystallography in South Africa . ... Delia...

Crystallography in South Africa

Reginald W James (1891-1964)

Aaron Klug Nobel prize

Chemistry 1982

Allan M Cormack Nobel prize

Physiology 1979

Council for Scientific and Industrial Research

Frank Herbstein

Mino Caira Susan Bourne

Clive Oliver

Focus: Supramolecular chemistry • Host-guest physical chemistry • Crystal engineering of MOFs • Crystal polymorphism • Co-crystal formation and

enantiomeric resolution • Crystal engineering of large

supramolecular assemblies

Catharine Esterhuysen

Len Barbour

Delia Haynes

Tanya le Roex

Vincent Smith

Focus: Supramolecular chemistry • Design of novel materials with unusual

magnetic, optical or sorption properties • Explaining dynamic solid-state processes and

origin of intermolecular interactions

University of the Witwatersrand

Demi Levendis Manuel Fernandes Dave Billing Andreas Lemmerer

Focus: • Metal clusters and 1D coordination

polymers • Synthesis and study of charge transfer

complexes and solid-state reactions • Supramolecular synthesis of drug-

drug co-crystals, and mechanisms of co-crystallization

• Physical crystallography and functional materials

• ??

Gert Kruger

Alfred (Fanie) Muller

Charmaine Arderne

Focus: • Coordination chemistry of the

Lanthanides and Actinides • Bioinorganic catalysis – structure,

property and activity • Synthesis and catalysis of transition

metal complexes and metal nanoparticles for anti-cancer agents

• Physical crystallography of functionally engineered materials

Melanie Rademeyer Peet van Rooyen

Dave Liles

Focus: • Crystal engineering of

multi-functional materials • Structural studies and

molecular interactions in complexes of biphenyls

• Fischer-carbene complexes

UFS Chemistry

Marietjie Schutte

Johan Venter

Alice Brink

André Roodt Deon Visser Gideon Steyl

Reaction mechanisms of coordination complexes with application in medical, catalytic and separation technology

X-Ray Crystallography

Mat

t Ake

rman

Be

rnar

d O

wag

a O

rde

Mun

ro

Inorganic Chemistry • Luminescent

complexes •Metallointercalators •ROP catalysts •Bioinorganic cpds.

Organic Chemistry •Natural products -

medicinal plants •Reaction products •HIV protease

inhibitors

Materials •PXRD – catalysts,

carbon nanotubes •Mesoporous &

microporous oxides • SC-XRD: dyes for

solar cells •Organometallics

Macromolecular •Rigaku

CrystalMation crystallization robot

•Bruker Apex II Duo with IuS Cu and Mo sources (quasar mirror optics)

X-Ray Crystallography – Examples

Metallodrug Structures Macromolecular Structures

Green: PDB-193L Blue: our structure

Lysozyme test crystal 1.95 Å resol. R-factor: 0.19

Supramolecular Structures

Luigi Nassimbeni

Ayesha Jacobs

Nikoletta B. Báthori

Focus: • Selectivity of inclusion

compounds • Organic salts and

cocrystals • Chiral discrimination,

cocrystals

• ??

Roy Forbes

Esna du Plessis

Fuels and chemicals from coal

Powder Workshop, 27-31 January University of the Witwatersrand, Johannesburg Contact: Dave Billing, University of the Witwatersrand; http://www.regonline.com/sapdfc The 21st General Meeting of the International Mineralogical Association, 31 Aug to 5 Sept Sandton Convention Centre, Johannesburg Conference Secretariat: [email protected]; http://www.ima2014.co.za/ Mathematical Crystallography Workshop, 25 - 29 August Bloemfontein Contacts: Massimo Nespolo (Nancy, France & IUCr) and André Roodt (UFS); http://www.crystallography.fr/mathcryst/SouthAfrica2014.php [Satellite meeting to IMA2014] (i) Pan African and South African Crystallography Conference and Workshop (IYCr2014Africa) [12-15 October] and (ii) Summit [15-17 October] Bloemfontein Contact: André Roodt (UFS); http://www.ufs.ac.za/IYCr2014Africa

IYCr activities in South Africa