Synthesis and detection of a seaborgium carbonyl complex.

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Bibliographic Details
Title:	Synthesis and detection of a seaborgium carbonyl complex.
Authors:	Even, J., Yakushev, A., Düllmann, Ch E., Haba, H., Asai, M., Sato, T. K., Brand, H., Di Nitto, A., Eichler, R., Fan, F. L., Hartmann, W., Huang, M., Jager, E., Kaji, D., Kanaya, J., Kaneya, Y., Khuyagbaatar, J., Kindlier, B., Kratz, J. V., Krier, J.
Source:	Science (pre-March 2025). 9/19/2014, Vol. 345 Issue 6203, p1491-1493. 3p.
Subjects:	Seaborgium, Carbonyl compounds, Gas phase reactions, Inorganic compounds, Oxidation states, Carbonylation, Molybdenum isotopes, Tungsten isotopes
Abstract:	Experimental investigations of transactinoide elements provide benchmark results for chemical theory and probe the predictive power of trends in the periodic table. So far, in gas-phase chemical reactions, simple inorganic compounds with the transactinoide in its highest oxidation state have been synthesized. Single-atom production rates, short half-lives, and harsh experimental conditions limited the number of experimentally accessible compounds. We applied a gas-phase carbonylation technique previously tested on short-lived molybdenum (Mo) and tungsten (W) isotopes to the preparation of a carbonyl complex of seaborgium, the 106th element. The volatile seaborgium complex showed the same volatility and reactivity with a silicon dioxide surface as those of the hexacarbonyl complexes of the lighter homologs Mo and W. Comparison of the product's adsorption enthalpy with theoretical predictions and data for the lighter congeners supported a Sg(CO)6 formulation. [ABSTRACT FROM AUTHOR]
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Database:	Psychology and Behavioral Sciences Collection

Description
Abstract:	Experimental investigations of transactinoide elements provide benchmark results for chemical theory and probe the predictive power of trends in the periodic table. So far, in gas-phase chemical reactions, simple inorganic compounds with the transactinoide in its highest oxidation state have been synthesized. Single-atom production rates, short half-lives, and harsh experimental conditions limited the number of experimentally accessible compounds. We applied a gas-phase carbonylation technique previously tested on short-lived molybdenum (Mo) and tungsten (W) isotopes to the preparation of a carbonyl complex of seaborgium, the 106th element. The volatile seaborgium complex showed the same volatility and reactivity with a silicon dioxide surface as those of the hexacarbonyl complexes of the lighter homologs Mo and W. Comparison of the product's adsorption enthalpy with theoretical predictions and data for the lighter congeners supported a Sg(CO)6 formulation. [ABSTRACT FROM AUTHOR]
ISSN:	00368075
DOI:	10.1126/science.1255720