xxx
Array
(
    [0] => Array
        (
            [id] => 1281
            [topology] => ajk11
            [link_rcsr] => 
            [in_col] => 14
            [transitivity] => [(14)(24)(23)(16)]
            [space_group] => P6/mmm
            [pearson] => hP170
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => ajk11
            [caid] => 335
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => -
            [e_gap] => 
            [energy] => -
            [bulk_mod] => -
            [shear_mod] => -
            [vicker_hard] => -
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1282
            [topology] => ajk11
            [link_rcsr] => 
            [in_col] => 14
            [transitivity] => [(14)(24)(23)(16)]
            [space_group] => P6/mmm
            [pearson] => hP170
            [cn] => 4
            [Year] => 2011
            [cn_sort] => 004-
            [topology_str] => ajk11
            [caid] => 335
            [nn] => 1
            [name] => Clathrate H-100
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2011_InorgChem_50_1733_1742_1733
            [publ_year] => 2011
            [ref] => 
        )

)
xxx