Array
(
    [0] => Array
        (
            [id] => 597
            [topology] => xcb
            [link_rcsr] => http://rcsr.net/nets/xcb
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => P63/mmc
            [pearson] => hP16
            [cn] => 3, 4 (3:1)
            [Year] => 2011
            [cn_sort] => 003-004-003-001-
            [topology_str] => xcb
            [caid] => 123
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 1.859
            [e_gap] => 
            [energy] => 0.828
            [bulk_mod] => 205.2
            [shear_mod] => 103.8
            [vicker_hard] => 13.4
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 598
            [topology] => xcb
            [link_rcsr] => http://rcsr.net/nets/xcb
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => P63/mmc
            [pearson] => hP16
            [cn] => 3, 4 (3:1)
            [Year] => 2011
            [cn_sort] => 003-004-003-001-
            [topology_str] => xcb
            [caid] => 123
            [nn] => 1
            [name] => 3D-(9,0)
            [pressure] => 
            [density] => 1.902
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 207.7
            [shear_mod] => 101.5
            [vicker_hard] => 36.0
            [ref_file] => /References/2011_ACSNano_7226
            [publ_year] => 2011
            [ref] => 
        )

    [2] => Array
        (
            [id] => 599
            [topology] => xcb
            [link_rcsr] => http://rcsr.net/nets/xcb
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => P63/mmc
            [pearson] => hP16
            [cn] => 3, 4 (3:1)
            [Year] => 2011
            [cn_sort] => 003-004-003-001-
            [topology_str] => xcb
            [caid] => 123
            [nn] => 2
            [name] => hP16-carbon
            [pressure] => 
            [density] => 
            [e_gap] => Metal
            [energy] => 
            [bulk_mod] => 207.5
            [shear_mod] => 103.4
            [vicker_hard] => 11.1
            [ref_file] => /References/2014_JSupHardMat_36_257
            [publ_year] => 2014
            [ref] => 
        )

    [3] => Array
        (
            [id] => 600
            [topology] => xcb
            [link_rcsr] => http://rcsr.net/nets/xcb
            [in_col] => 2
            [transitivity] => [2432]
            [space_group] => P63/mmc
            [pearson] => hP16
            [cn] => 3, 4 (3:1)
            [Year] => 2011
            [cn_sort] => 003-004-003-001-
            [topology_str] => xcb
            [caid] => 123
            [nn] => 3
            [name] => hP16-carbon
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2015_PhysStatSolB_252_1656
            [publ_year] => 2015
            [ref] => 
        )

)