xxx
Array
(
    [0] => Array
        (
            [id] => 592
            [topology] => sdt
            [link_rcsr] => http://rcsr.net/nets/sdt
            [in_col] => 2
            [transitivity] => [2344]
            [space_group] => Im-3m
            [pearson] => cI60
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => sdt
            [caid] => 121
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.269
            [e_gap] => 
            [energy] => 0.366
            [bulk_mod] => 392.3
            [shear_mod] => 415.2
            [vicker_hard] => 76.5
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 593
            [topology] => sdt
            [link_rcsr] => http://rcsr.net/nets/sdt
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            [transitivity] => [2344]
            [space_group] => Im-3m
            [pearson] => cI60
            [cn] => 4
            [Year] => 2016
            [cn_sort] => 004-
            [topology_str] => sdt
            [caid] => 121
            [nn] => 1
            [name] => C60
            [pressure] => 50.1
            [density] => 3.34
            [e_gap] => 2.26
            [energy] => 
            [bulk_mod] => 392
            [shear_mod] => 427
            [vicker_hard] => 82.8
            [ref_file] => /References/2016_Carbon_105_151
            [publ_year] => 2016
            [ref] => 
        )

)
xxx