xxx
Array
(
    [0] => Array
        (
            [id] => 1071
            [topology] => 3<sup>6</sup>T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6864]
            [space_group] => Pm-3m
            [pearson] => cP176
            [cn] => 3
            [Year] => 2014
            [cn_sort] => 003-
            [topology_str] => 3<sup>6</sup>T6
            [caid] => 254
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.136
            [e_gap] => 
            [energy] => 0.788
            [bulk_mod] => 118.4
            [shear_mod] => 52.7
            [vicker_hard] => 7.3
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1072
            [topology] => 3<sup>6</sup>T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6864]
            [space_group] => Pm-3m
            [pearson] => cP176
            [cn] => 3
            [Year] => 2014
            [cn_sort] => 003-
            [topology_str] => 3<sup>6</sup>T6
            [caid] => 254
            [nn] => 1
            [name] => 6-1-1-P
            [pressure] => 
            [density] => 1.16
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2014_Carbon_266_Kotani_P_schwartzites
            [publ_year] => 2014
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1073
            [topology] => 3<sup>6</sup>T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6864]
            [space_group] => Pm-3m
            [pearson] => cP176
            [cn] => 3
            [Year] => 2014
            [cn_sort] => 003-
            [topology_str] => 3<sup>6</sup>T6
            [caid] => 254
            [nn] => 2
            [name] => 6-1-1-P
            [pressure] => 
            [density] => 
            [e_gap] => Semimetal
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2015_PhysRevB_92_045108
            [publ_year] => 2015
            [ref] => 
        )

)
xxx