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EXAFS and 129Xe NMR data are presented which show that adsorption of Mo(CO)6 in zeolite NaY followed by decomposition at 200 °C produces uniformly dispersed Mo2 clusters in the zeolite supercages; heating to 400 °C causes sintering to an average cluster size of three or four Mo atoms.
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Coddington et al. (1990) studied this question.
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