xxx
Array
(
    [0] => Array
        (
            [id] => 690
            [topology] => cbs-3,4-C2m
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => -
            [space_group] => C2/m
            [pearson] => mS16
            [cn] => 3, 4 (1:1)
            [Year] => 2014
            [cn_sort] => 003-004-001-001-
            [topology_str] => cbs-3,4-C2m
            [caid] => 150
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.070
            [e_gap] => 
            [energy] => 0.871
            [bulk_mod] => 346.8
            [shear_mod] => 283.1
            [vicker_hard] => 41.1
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 691
            [topology] => cbs-3,4-C2m
            [link_rcsr] => 
            [in_col] => 2
            [transitivity] => -
            [space_group] => C2/m
            [pearson] => mS16
            [cn] => 3, 4 (1:1)
            [Year] => 2014
            [cn_sort] => 003-004-001-001-
            [topology_str] => cbs-3,4-C2m
            [caid] => 150
            [nn] => 1
            [name] => mC16-carbon
            [pressure] => 
            [density] => 
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 347.5
            [shear_mod] => 290.5
            [vicker_hard] => 41.6
            [ref_file] => /References/2014_JSupHardMat_36_257
            [publ_year] => 2014
            [ref] => 
        )

)
xxx