xxx
Array
(
    [0] => Array
        (
            [id] => 1647
            [topology] => 4<sup>3</sup>T91
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3542]
            [space_group] => Pnma
            [pearson] => oP12
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => 4<sup>3</sup>T91
            [sp_atoms] => 
            [caid] => 512
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.308
            [e_gap] => 
            [energy] => 0.872
            [bulk_mod] => 384.0
            [shear_mod] => 389.6
            [vicker_hard] => 70.4
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1648
            [topology] => 4<sup>3</sup>T91
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3542]
            [space_group] => Pnma
            [pearson] => oP12
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            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => 4<sup>3</sup>T91
            [sp_atoms] => 
            [caid] => 512
            [nn] => 1
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            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
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            [vicker_hard] => 
            [ref_file] => /References/2017_ChemPhysChem_18_873
            [publ_year] => 2017
            [ref] => 
        )

)
xxx