Array
(
    [0] => Array
        (
            [id] => 1689
            [topology] => 4<sup>2</sup>T31-CA
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2793]
            [space_group] => I41/amd
            [pearson] => tI64
            [cn] => 4
            [Year] => 2021
            [cn_sort] => 004-
            [topology_str] => 4^2T31-CA
            [caid] => 533
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.211
            [e_gap] => 
            [energy] => 0.805
            [bulk_mod] => 345.5
            [shear_mod] => 307.5
            [vicker_hard] => 50.2
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1690
            [topology] => 4<sup>2</sup>T31-CA
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => [2793]
            [space_group] => I41/amd
            [pearson] => tI64
            [cn] => 4
            [Year] => 2021
            [cn_sort] => 004-
            [topology_str] => 4^2T31-CA
            [caid] => 533
            [nn] => 1
            [name] => 4<sup>2</sup>T31-CA
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2021_npjComputMater_7_15
            [publ_year] => 2021
            [ref] => doi:&nbsp;<a href="http://doi.org/10.1038/s41524-021-00491-y" target="_blank">10.1038/s41524-021-00491-y</a>
        )

)