xxx
Array
(
    [0] => Array
        (
            [id] => 747
            [topology] => kgo
            [link_rcsr] => http://rcsr.net/nets/kgo
            [in_col] => 3
            [transitivity] => [3433]
            [space_group] => Fd-3
            [pearson] => cF224
            [cn] => 3
            [Year] => 2017
            [cn_sort] => 003-
            [topology_str] => kgo
            [sp_atoms] => 
            [caid] => 161
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.955
            [e_gap] => 
            [energy] => 0.341
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 748
            [topology] => kgo
            [link_rcsr] => http://rcsr.net/nets/kgo
            [in_col] => 3
            [transitivity] => [3433]
            [space_group] => Fd-3
            [pearson] => cF224
            [cn] => 3
            [Year] => 2017
            [cn_sort] => 003-
            [topology_str] => kgo
            [sp_atoms] => 
            [caid] => 161
            [nn] => 1
            [name] => kgo
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2017_StructChem_28_113
            [publ_year] => 2017
            [ref] => 
        )

)
xxx