Profile of Malcolm
نویسنده
چکیده
S tretching across the periodic table, in the gulf between the hyper-reactive alkali metals and stoic noble gasses, are the often overlooked transition elements. For Malcolm H. Chisholm, Distinguished Professor of Mathematical and Physical Sciences at Ohio State University (Columbus, OH), however, that vast expanse holds some of the most fascinating chemistry. In the tongue-twisting element of molybdenum, Chisholm finds metal coordination complexes that behave much in line with trusty organic chemistry bonding principles and yet hold their own unique properties. In his Inaugural Article in a recent issue of PNAS, Chisholm, elected to the National Academy of Sciences in 2005, describes the synthesis and characterization of metal–metal quadruple-bonded systems of molybdenum and tungsten (1). He deciphers the order within these liquid crystal complexes and evaluates the potential for unique properties like electroluminescence.
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