Modelling planar molecules and their evolutions
One-dimensional Fabre and Bechgaard salts, TTF-TCNQ,



http://www.chem.tamu.edu/rgroup/dunbar/Publications/2002-147.pdf 
platinum blues

DOI:10.1002/asia.200700370 
hexaphenylbenzene discotic liquid crystals 
http://www.crcpress.com/product/isbn/9781439811436 
"Chemistry of Discotic Liquid Crystals: From Monomers to Polymers," Sandeep Kumar (2010)

http://link.springer.com/chapter/10.1007/978-94-017-2319-0_16 
middle 
http://physics.aps.org/synopsis-for/10.1103/PhysRevB.82.180401 
  Organic magnets 

http://pubs.acs.org/cen/topstory/8201/8201notw8.html 
Ladderanes



stacks 
http://www.google.com/patents/WO2011017711A2?cl=en 
http://www.halcyon.com/nanojbl/Images/ConPoly3.gif 
and a central hexacoordinate silicon with oxygen bridges