Array
(
    [0] => Array
        (
            [id] => 756
            [topology] => 3,4<sup>2</sup>T223
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3454]
            [space_group] => P6/mmm
            [pearson] => hP18
            [cn] => 3, 4 (1:2)
            [Year] => 2016
            [cn_sort] => 003-004-001-002-
            [topology_str] => 3,4<sup>2</sup>T223
            [caid] => 165
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.189
            [e_gap] => 
            [energy] => 0.936
            [bulk_mod] => 355.2
            [shear_mod] => 339.5
            [vicker_hard] => 59.2
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 757
            [topology] => 3,4<sup>2</sup>T223
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3454]
            [space_group] => P6/mmm
            [pearson] => hP18
            [cn] => 3, 4 (1:2)
            [Year] => 2016
            [cn_sort] => 003-004-001-002-
            [topology_str] => 3,4<sup>2</sup>T223
            [caid] => 165
            [nn] => 1
            [name] => H18
            [pressure] => 
            [density] => 3.135
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 360
            [shear_mod] => 361
            [vicker_hard] => 
            [ref_file] => /References/2016_SciRep_6_21879
            [publ_year] => 2016
            [ref] => 
        )

)