Array
(
    [0] => Array
        (
            [id] => 817
            [topology] => 3,4<sup>2</sup>T209
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3675]
            [space_group] => Cmmm
            [pearson] => oS20
            [cn] => 3, 4 (1:4)
            [Year] => 2005
            [cn_sort] => 003-004-001-004-
            [topology_str] => 3,4<sup>2</sup>T209
            [caid] => 183
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.364
            [e_gap] => 
            [energy] => 0.763
            [bulk_mod] => 403.7
            [shear_mod] => 414.5
            [vicker_hard] => 75.4
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 818
            [topology] => 3,4<sup>2</sup>T209
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3675]
            [space_group] => Cmmm
            [pearson] => oS20
            [cn] => 3, 4 (1:4)
            [Year] => 2005
            [cn_sort] => 003-004-001-004-
            [topology_str] => 3,4<sup>2</sup>T209
            [caid] => 183
            [nn] => 1
            [name] => (3,0)/(4,0)
            [pressure] => 17
            [density] => 
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 397
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2005_PhysRev_B_72_214109
            [publ_year] => 2005
            [ref] => 
        )

    [2] => Array
        (
            [id] => 819
            [topology] => 3,4<sup>2</sup>T209
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3675]
            [space_group] => Cmmm
            [pearson] => oS20
            [cn] => 3, 4 (1:4)
            [Year] => 2005
            [cn_sort] => 003-004-001-004-
            [topology_str] => 3,4<sup>2</sup>T209
            [caid] => 183
            [nn] => 2
            [name] => 10B
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysRev_B_88_014102
            [publ_year] => 2013
            [ref] => 
        )

    [3] => Array
        (
            [id] => 820
            [topology] => 3,4<sup>2</sup>T209
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3675]
            [space_group] => Cmmm
            [pearson] => oS20
            [cn] => 3, 4 (1:4)
            [Year] => 2005
            [cn_sort] => 003-004-001-004-
            [topology_str] => 3,4<sup>2</sup>T209
            [caid] => 183
            [nn] => 3
            [name] => (3,0)/(4,0)
            [pressure] => 
            [density] => 
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2016_AIPAdvance_055020
            [publ_year] => 2016
            [ref] => 
        )

)