The structure of polypyridine
2001 (English)In: Synthetic metals, ISSN 0379-6779, Vol. 124, no 2-3, 393-398 p.Article in journal (Refereed) Published
X-ray diffraction on samples in the form of a deposited thin layer, a crushed powder and a flake were used to deduce models for the crystalline structure of polypyridine (-(C5H3N)n-), a conjugated polymer of great interest for applications. A monoclinic unit cell with lattice parameters a = 7.47 Å, b = 5.83 Å, c = 4.25 Å, ? = 108.7° containing two chains running along the c-axis and with the molecular plane normal to the a-axis gives a good fit with the observations. The interchain packing distance is about 3.6 Å, i.e. in the same range as intermolecular distances found in conductive charge transfer salts. The deposited layer is highly anisotropic, with the a-c-plane parallel to the substrate. © 2001 Elsevier Science B.V. All rights reserved.
Place, publisher, year, edition, pages
2001. Vol. 124, no 2-3, 393-398 p.
Anisotropy, Conjugated polymers, Crystalline structure, X-ray diffraction
Engineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-47239DOI: 10.1016/S0379-6779(01)00378-2OAI: oai:DiVA.org:liu-47239DiVA: diva2:268135