CLIVE FREEMAN, THE ROYAL INSTITUTION / SCIENCE PHOTO LIBRARY CLIVE FREEMAN, THE ROYAL INSTITUTION / SCIENCE PHOTO LIBRARY
Molecular graphics image featuring a fragment of graphite (white hexagons) superimposed during its catalytic formation on a nickel (III) surface. The image reveals the nicety of fit between the ring structure of graphite & the metal atoms (red spheres) of the nickel crystal plane & illustrates how simple molecular size & shape (steric effects) underly the catalytic process. Visual compatibility is supported by experimental observation, which shows that the nickel (III) surface is the crystal face most effective in catalysing the formation of graphite.
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