xxx
Array
(
    [0] => Array
        (
            [id] => 1090
            [topology] => 4<sup>6</sup>T7
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6(10)(10)5]
            [space_group] => C2/m
            [pearson] => mS24
            [cn] => 4
            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>6</sup>T7
            [caid] => 262
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.446
            [e_gap] => 
            [energy] => 0.670
            [bulk_mod] => 426.2
            [shear_mod] => 473.5
            [vicker_hard] => 88.5
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1091
            [topology] => 4<sup>6</sup>T7
            [link_rcsr] => 
            [in_col] => 6
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            [space_group] => C2/m
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            [Year] => 2012
            [cn_sort] => 004-
            [topology_str] => 4<sup>6</sup>T7
            [caid] => 262
            [nn] => 1
            [name] => Z-carbon-3
            [pressure] => 
            [density] => 
            [e_gap] => 5.27
            [energy] => 
            [bulk_mod] => 443
            [shear_mod] => 
            [vicker_hard] => 92.6
            [ref_file] => /References/2012_JAmChemSoc_134_7530
            [publ_year] => 2012
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1092
            [topology] => 4<sup>6</sup>T7
            [link_rcsr] => 
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            [transitivity] => [6(10)(10)5]
            [space_group] => C2/m
            [pearson] => mS24
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            [Year] => 2012
            [cn_sort] => 004-
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            [caid] => 262
            [nn] => 2
            [name] => 12C
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            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysRev_B_88_014102
            [publ_year] => 2013
            [ref] => 
        )

)
xxx