xxx
Array
(
    [0] => Array
        (
            [id] => 238
            [topology] => dia-a
            [link_rcsr] => 
            [in_col] => 1
            [transitivity] => [1222]
            [space_group] => Pn-3m
            [pearson] => cP8
            [cn] => 4
            [Year] => 2014
            [cn_sort] => 004-
            [topology_str] => dia-a
            [caid] => 35
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => .831
            [e_gap] => 
            [energy] => 2.121
            [bulk_mod] => 84.5
            [shear_mod] => 10.6
            [vicker_hard] => 1.8
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 239
            [topology] => dia-a
            [link_rcsr] => 
            [in_col] => 1
            [transitivity] => [1222]
            [space_group] => Pn-3m
            [pearson] => cP8
            [cn] => 4
            [Year] => 2014
            [cn_sort] => 004-
            [topology_str] => dia-a
            [caid] => 35
            [nn] => 1
            [name] => T-II carbon (2-fold)
            [pressure] => 
            [density] => 1.77
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 307
            [shear_mod] => 213
            [vicker_hard] => 
            [ref_file] => /References/2014_RSC_Adv_17364_dia_a_2fold
            [publ_year] => 2014
            [ref] => 
        )

)
xxx