xxx
Array
(
    [0] => Array
        (
            [id] => 1503
            [topology] => 4<sup>3</sup>T178
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3774]
            [space_group] => Cmm2
            [pearson] => oS16
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => 4<sup>3</sup>T178
            [sp_atoms] => 
            [caid] => 440
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.013
            [e_gap] => 
            [energy] => 1.077
            [bulk_mod] => 355.0
            [shear_mod] => 295.3
            [vicker_hard] => 44.1
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1504
            [topology] => 4<sup>3</sup>T178
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3774]
            [space_group] => Cmm2
            [pearson] => oS16
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => 4<sup>3</sup>T178
            [sp_atoms] => 
            [caid] => 440
            [nn] => 1
            [name] => G145
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2017_ChemPhysChem_18_873
            [publ_year] => 2017
            [ref] => 
        )

)
xxx