Topochemical polymerization of C70 controlled by monomer crystal packing

A. Soldatov, G. Roth, A. Dzyabchenko, D. Johnels, S. Lebedkin, C. Meingast, B. Sundqvist, M. Haluska, H. Kuzmany

Research output: Contribution to journalArticleAcademicpeer-review

66 Citations (Scopus)

Abstract

Polymeric forms of C60 are now well known, but numerous attempts to obtain C70 in a polymeric state have yielded only dimers. Polymeric C70 has now been synthesized by treatment of hexagonally packed C70 single crystals under moderate hydrostatic pressure (2 gigapascals) at elevated temperature (300°C), which confirms predictions from our modeling of polymeric structures of C70. Single-crystal x-ray diffraction shows that the molecules are bridged into polymeric zigzag chains that extend along the c axis of the parent structure. Solid-state nuclear magnetic resonance and Raman data provide evidence for covalent chemical bonding between the C70 cages.
Original languageEnglish
Pages (from-to)680-683
JournalScience
Volume293
Issue number5530
DOIs
Publication statusPublished - 2001

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