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UID:20251107T110920EST-95350ruNAW@132.216.98.100
DTSTAMP:20251107T160920Z
DESCRIPTION:That composition and structure profoundly impact the properties
  of crystalline solids has provided impetus for exponential growth in the 
 field of crystal engineering1 over the past 25 years. This lecture will ad
 dress how crystal engineering has evolved from structure design (form) to 
 control over bulk properties (function) with particular emphasis upon unde
 rexplored classes of porous material.\n\nWhereas porous crystalline materi
 als such as purely inorganic materials (e.g. zeolites) and those based upo
 n coordination chemistry (e.g. Metal-Organic Frameworks\, MOFs\, and Porou
 s Coordination Polymers\, PCPs) are well studied and offer great promise f
 or separations and catalysis\, they are handicapped by cost or performance
  (e.g. poor chemical stability\, interference from water vapour\, low sele
 ctivity) limitations.\n\nHybrid Ultramicroporous Materials\, HUMs\, are bu
 ilt from metal or metal cluster “nodes” and combinations of organic and in
 organic “linkers” and their pore chemistry and size (<0.7 nm) can overcome
  the weaknesses of existing classes of porous  material. Three prototypal 
 families of HUMs that are amenable to fine-tuning will be detailed: (i) Pi
 llared square grids with pcu topology can afford exceptional control over 
 pore chemistry\, pore size and binding energy for CO2.2 (ii) mmo nets are 
 based upon square grids linked by angular inorganic linkers such as chroma
 te anions.3 They also offer exceptional performance with respect to captur
 e of CO2 and other polarizable gases. (iii) Diamondoid (dia) nets are long
  known in the field4 but little studied with respect to gas adsorption. Ne
 w results concerning the structure and gas sorption properties of pcu\, mm
 o and dia nets will be presented. In particular\, their performance with r
 espect to direct carbon capture from air (Figure) and natural gas storage 
 will be presented and discussed in the context of existing classes of poro
 us materials.\n\n \n\nReferences\n\n1. (a) Desiraju\, G.R. Crystal enginee
 ring: The design of organic solids Elsevier\, 1989\; (b) Moulton\, B.\; Za
 worotko\, M.J. Chem. Rev.  2001\, 101\, 1629.\n\n2. Nugent\, P.\; Belmabkh
 out\, Y.\; Burd\, S.D.\; Cairns\, A.J.\; Luebke\, R.\; Forrest\, K.\; Pham
 \, T.\; Ma\, S.\; Space\, B.\; Wojtas\, L.\; Eddaoudi\, M.\; Zaworotko\, M
 .J. Nature 2013\, 495\, 80.\n\n3. Mohamed\, M.\; Elsaidi\, S.\; Wojtas\, L
 .\; Pham\, T.\; Forrest\, K.A.\; Tudor\, B.\; Space\, B.\; Zaworotko\, M.J
 . J.\n\nAmer. Chem. Soc. 2012\, 134\, 19556.\n\n4. Zaworotko\, M.J. Chem. 
 Soc. Rev. 1994\, 23\, 283.\n\n5. Kumar\, A.\; Madden\, D.G.\; Lusi\, M.\; 
 Chen\, K.J.\; Daniels\, E.A.\; Curtin\, T.\; Perry IV\, J.J.\; Zaworotko\,
  M.J.\n\nAngew. Chem. Int. Ed. (accepted for publication September 4th 201
 5)\n
DTSTART:20151103T180000Z
DTEND:20151103T193000Z
LOCATION:Room 10\, Maass Chemistry Building\, CA\, QC\, Montreal\, H3A 0B8\
 , 801 rue Sherbrooke Ouest
SUMMARY:Chemical Society: Dr. Michael Zaworotko
URL:/chemistry/channels/event/chemical-society-dr-mich
 ael-zaworotko-256030
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