xxx
Array
(
    [0] => Array
        (
            [id] => 1495
            [topology] => 4<sup>16</sup>T12
            [link_rcsr] => 
            [in_col] => 16
            [transitivity] => [(16)(32)(21)5]
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            [caid] => 436
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            [name] => 
            [pressure] => 
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            [e_gap] => 
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            [bulk_mod] => 391.5
            [shear_mod] => 441.0
            [vicker_hard] => 82.7
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1496
            [topology] => 4<sup>16</sup>T12
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            [cn_sort] => 004-
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            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2017_ChemPhysChem_18_873
            [publ_year] => 2017
            [ref] => 
        )

)
xxx