xxx
Array
(
    [0] => Array
        (
            [id] => 770
            [topology] => 3<sup>2</sup>,4T216
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3542]
            [space_group] => I41/amd
            [pearson] => tI64
            [cn] => 3, 4 (1:1)
            [Year] => 2016
            [cn_sort] => 003-004-001-001-
            [topology_str] => 3<sup>2</sup>,4T216
            [sp_atoms] => 
            [caid] => 171
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.598
            [e_gap] => 
            [energy] => 0.348
            [bulk_mod] => 275.2
            [shear_mod] => 207.1
            [vicker_hard] => 26.5
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 771
            [topology] => 3<sup>2</sup>,4T216
            [link_rcsr] => 
            [in_col] => 3
            [transitivity] => [3542]
            [space_group] => I41/amd
            [pearson] => tI64
            [cn] => 3, 4 (1:1)
            [Year] => 2016
            [cn_sort] => 003-004-001-001-
            [topology_str] => 3<sup>2</sup>,4T216
            [sp_atoms] => 
            [caid] => 171
            [nn] => 1
            [name] => C64
            [pressure] => 
            [density] => 2.562
            [e_gap] => 1.32
            [energy] => 
            [bulk_mod] => 264
            [shear_mod] => 217
            [vicker_hard] => 
            [ref_file] => /References/2016_JMatSci_52_2385
            [publ_year] => 2016
            [ref] => 
        )

)
xxx