xxx
Array
(
    [0] => Array
        (
            [id] => 1119
            [topology] => 3<sup>4</sup>,4<sup>2</sup>T38
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => -
            [space_group] => Cmcm
            [pearson] => oS72
            [cn] => 3, 4 (2:1)
            [Year] => 2015
            [cn_sort] => 003-004-002-001-
            [topology_str] => 3<sup>4</sup>,4<sup>2</sup>T38
            [caid] => 271
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.218
            [e_gap] => 
            [energy] => 0.733
            [bulk_mod] => 255.2
            [shear_mod] => 196.3
            [vicker_hard] => 26.0
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1120
            [topology] => 3<sup>4</sup>,4<sup>2</sup>T38
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => -
            [space_group] => Cmcm
            [pearson] => oS72
            [cn] => 3, 4 (2:1)
            [Year] => 2015
            [cn_sort] => 003-004-002-001-
            [topology_str] => 3<sup>4</sup>,4<sup>2</sup>T38
            [caid] => 271
            [nn] => 1
            [name] => Orth-C72
            [pressure] => 0-20
            [density] => 2.262
            [e_gap] => 1.74
            [energy] => 
            [bulk_mod] => 257.9
            [shear_mod] => 202.0
            [vicker_hard] => 29.9
            [ref_file] => /References/2015_Carbon_91_518
            [publ_year] => 2015
            [ref] => 
        )

)
xxx