Pseudotenfold symmetry in pentane-solvatedC60andC70
Physical review. B, Condensed matter1991Vol. 44(2), pp. 888–891
Citations Over TimeTop 1% of 1991 papers
R. M. Fleming, A. R. Kortan, B. Hessen, Theo Siegrist, F. A. Thiel, P. Marsh, Robert C. Haddon, Robert Tycko, Gary Dabbagh, M. L. Kaplan, A. M. Mujsce
Abstract
Crystals of ${\mathrm{C}}_{60}$ or ${\mathrm{C}}_{70}$ cocrystallized with n-pentane grow as elongated, ten-sided columns. X-ray diffraction shows ordering of ${\mathrm{C}}_{60}$ or ${\mathrm{C}}_{70}$ molecules along the column and a remarkable tenfold symmetry normal to the column. The ratio of the x-ray-diffraction vectors of the two lowest-order diffraction spots is nearly equal to the ``golden ratio,'' \ensuremath{\tau}. Despite these similarities with decagonal, quasicrystalline order, the diffraction indicates crystalline order with a twinned unit cell.
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