xxx
Array
(
    [0] => Array
        (
            [id] => 585
            [topology] => bba-3,4-P6/mmm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2343]
            [space_group] => P6/mmm
            [pearson] => hP12
            [cn] => 3, 4 (1:1)
            [Year] => 2011
            [cn_sort] => 003-004-001-001-
            [topology_str] => bba-3,4-P6/mmm
            [caid] => 118
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.682
            [e_gap] => 
            [energy] => 0.842
            [bulk_mod] => 193.4
            [shear_mod] => 70.1
            [vicker_hard] => 10.4
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 586
            [topology] => bba-3,4-P6/mmm
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2343]
            [space_group] => P6/mmm
            [pearson] => hP12
            [cn] => 3, 4 (1:1)
            [Year] => 2011
            [cn_sort] => 003-004-001-001-
            [topology_str] => bba-3,4-P6/mmm
            [caid] => 118
            [nn] => 1
            [name] => 3D-(6,6)
            [pressure] => 
            [density] => 1.72
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 195.4
            [shear_mod] => 94.1
            [vicker_hard] => 46.7
            [ref_file] => /References/2011_ACSNano_7226
            [publ_year] => 2011
            [ref] => 
        )

)
xxx