xxx
Array
(
    [0] => Array
        (
            [id] => 1253
            [topology] => 4<sup>11</sup>T9
            [link_rcsr] => 
            [in_col] => 11
            [transitivity] => [(11)(24)(20)8]
            [space_group] => P-1
            [pearson] => aP22
            [cn] => 4
            [Year] => 2013
            [cn_sort] => 004-
            [topology_str] => 4<sup>11</sup>T9
            [caid] => 323
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.507
            [e_gap] => 
            [energy] => 0.693
            [bulk_mod] => 421.5
            [shear_mod] => 489.7
            [vicker_hard] => 92.5
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1254
            [topology] => 4<sup>11</sup>T9
            [link_rcsr] => 
            [in_col] => 11
            [transitivity] => [(11)(24)(20)8]
            [space_group] => P-1
            [pearson] => aP22
            [cn] => 4
            [Year] => 2013
            [cn_sort] => 004-
            [topology_str] => 4<sup>11</sup>T9
            [caid] => 323
            [nn] => 1
            [name] => 22C
            [pressure] => 20
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysRev_B_88_014102
            [publ_year] => 2013
            [ref] => 
        )

)
xxx