Array
(
    [0] => Array
        (
            [id] => 495
            [topology] => xaa
            [link_rcsr] => http://rcsr.net/nets/xaa
            [in_col] => 2
            [transitivity] => [2223]
            [space_group] => Fm-3m
            [pearson] => cF80
            [cn] => 3
            [Year] => 1998
            [cn_sort] => 003-
            [topology_str] => xaa
            [caid] => 93
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.114
            [e_gap] => 
            [energy] => 0.918
            [bulk_mod] => 237.9
            [shear_mod] => 29.3
            [vicker_hard] => 4.8
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 496
            [topology] => xaa
            [link_rcsr] => http://rcsr.net/nets/xaa
            [in_col] => 2
            [transitivity] => [2223]
            [space_group] => Fm-3m
            [pearson] => cF80
            [cn] => 3
            [Year] => 1998
            [cn_sort] => 003-
            [topology_str] => xaa
            [caid] => 93
            [nn] => 1
            [name] => C-20
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/1998_PhysRevB_58_664
            [publ_year] => 1998
            [ref] => 
        )

    [2] => Array
        (
            [id] => 497
            [topology] => xaa
            [link_rcsr] => http://rcsr.net/nets/xaa
            [in_col] => 2
            [transitivity] => [2223]
            [space_group] => Fm-3m
            [pearson] => cF80
            [cn] => 3
            [Year] => 1998
            [cn_sort] => 003-
            [topology_str] => xaa
            [caid] => 93
            [nn] => 2
            [name] => C-20
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 247
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2008_PhysRev_B_78_125415
            [publ_year] => 2008
            [ref] => 
        )

    [3] => Array
        (
            [id] => 498
            [topology] => xaa
            [link_rcsr] => http://rcsr.net/nets/xaa
            [in_col] => 2
            [transitivity] => [2223]
            [space_group] => Fm-3m
            [pearson] => cF80
            [cn] => 3
            [Year] => 1998
            [cn_sort] => 003-
            [topology_str] => xaa
            [caid] => 93
            [nn] => 3
            [name] => C-20
            [pressure] => 
            [density] => 2.084
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_PhysChemChemPhys_15_680
            [publ_year] => 2013
            [ref] => 
        )

)