xxx
Array
(
    [0] => Array
        (
            [id] => 1064
            [topology] => 3<sup>5</sup>,4T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6752]
            [space_group] => Cmmm
            [pearson] => oS32
            [cn] => 3, 4 (7:1)
            [Year] => 2000
            [cn_sort] => 003-004-007-001-
            [topology_str] => 3<sup>5</sup>,4T6
            [caid] => 251
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.318
            [e_gap] => 
            [energy] => 0.738
            [bulk_mod] => 91.0
            [shear_mod] => 54.5
            [vicker_hard] => 6.3
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1065
            [topology] => 3<sup>5</sup>,4T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6752]
            [space_group] => Cmmm
            [pearson] => oS32
            [cn] => 3, 4 (7:1)
            [Year] => 2000
            [cn_sort] => 003-004-007-001-
            [topology_str] => 3<sup>5</sup>,4T6
            [caid] => 251
            [nn] => 1
            [name] => graphitic honeycomb
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2000_PhysRevB_62_11
            [publ_year] => 2000
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1066
            [topology] => 3<sup>5</sup>,4T6
            [link_rcsr] => 
            [in_col] => 6
            [transitivity] => [6752]
            [space_group] => Cmmm
            [pearson] => oS32
            [cn] => 3, 4 (7:1)
            [Year] => 2000
            [cn_sort] => 003-004-007-001-
            [topology_str] => 3<sup>5</sup>,4T6
            [caid] => 251
            [nn] => 2
            [name] => Zigzag carbon(3,3)
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 97.0
            [shear_mod] => 8.7
            [vicker_hard] => 
            [ref_file] => /References/2006_PhysRev_B_74_214104
            [publ_year] => 2006
            [ref] => 
        )

)
xxx