xxx
Array
(
    [0] => Array
        (
            [id] => 1221
            [topology] => 3<sup>4</sup>,4<sup>5</sup>T4
            [link_rcsr] => 
            [in_col] => 9
            [transitivity] => [9(19)(13)3]
            [space_group] => Immm
            [pearson] => oI120
            [cn] => 3, 4 (7:8)
            [Year] => 2002
            [cn_sort] => 003-004-007-008-
            [topology_str] => 3<sup>4</sup>,4<sup>5</sup>T4
            [caid] => 308
            [nn] => 0
            [name] => polymerized
            [pressure] => 
            [density] => 2.361
            [e_gap] => 
            [energy] => 1.009
            [bulk_mod] => 189.4
            [shear_mod] => 127.8
            [vicker_hard] => 14.7
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1222
            [topology] => 3<sup>4</sup>,4<sup>5</sup>T4
            [link_rcsr] => 
            [in_col] => 9
            [transitivity] => [9(19)(13)3]
            [space_group] => Immm
            [pearson] => oI120
            [cn] => 3, 4 (7:8)
            [Year] => 2002
            [cn_sort] => 003-004-007-008-
            [topology_str] => 3<sup>4</sup>,4<sup>5</sup>T4
            [caid] => 308
            [nn] => 1
            [name] => fullerite
            [pressure] => 13
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 302
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2002_PhysRevB.65.224208
            [publ_year] => 2002
            [ref] => 
        )

)
xxx