xxx
Array
(
    [0] => Array
        (
            [id] => 28
            [topology] => dia
            [link_rcsr] => 
            [in_col] => 1
            [transitivity] => [1111]
            [space_group] => Pn-3m
            [pearson] => P12
            [cn] => 2, 4 (1:1)
            [Year] => 2014
            [cn_sort] => 002-004-001-001-
            [topology_str] => dia
            [caid] => 4
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.780
            [e_gap] => 
            [energy] => 1.794
            [bulk_mod] => 167.5
            [shear_mod] => 20.0
            [vicker_hard] => 3.3
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 29
            [topology] => dia
            [link_rcsr] => 
            [in_col] => 1
            [transitivity] => [1111]
            [space_group] => Pn-3m
            [pearson] => P12
            [cn] => 2, 4 (1:1)
            [Year] => 2014
            [cn_sort] => 002-004-001-001-
            [topology_str] => dia
            [caid] => 4
            [nn] => 1
            [name] => Y-II carbon (2-fold)
            [pressure] => 
            [density] => 1.77
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 171.2
            [shear_mod] => 28.1
            [vicker_hard] => 
            [ref_file] => /References/2014_RSC_Adv_17364_dia_a_2fold
            [publ_year] => 2014
            [ref] => 
        )

)
xxx