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|      \\  |  ___||   ____     /_   _// | || | || 
|  --  //  | ||__    |    \\    -| ||-  | '--' || 
|  --  \\  | ||__    | [] ||    _| ||_  | .--. || 
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`------`   `-----`   |_|`-`    `-----`  `-`  `-`  
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Text this: Location and reactivity of extra-framework cation in the alkali exchanged LTL zeolites: A periodic density functional study