xxx
Array
(
    [0] => Array
        (
            [id] => 699
            [topology] => 3<sup>3</sup>T38
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3333]
            [space_group] => P6/mmm
            [pearson] => hP14
            [cn] => 3
            [Year] => 2001
            [cn_sort] => 003-
            [topology_str] => 3<sup>3</sup>T38
            [caid] => 154
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.305
            [e_gap] => 
            [energy] => 0.882
            [bulk_mod] => -
            [shear_mod] => -
            [vicker_hard] => -
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 700
            [topology] => 3<sup>3</sup>T38
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3333]
            [space_group] => P6/mmm
            [pearson] => hP14
            [cn] => 3
            [Year] => 2001
            [cn_sort] => 003-
            [topology_str] => 3<sup>3</sup>T38
            [caid] => 154
            [nn] => 1
            [name] => honeycomb carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2001_JChemInfCompSci_41_451
            [publ_year] => 2001
            [ref] => 
        )

)
xxx