xxx
Array
(
    [0] => Array
        (
            [id] => 1372
            [topology] => jbw
            [link_rcsr] => http://rcsr.net/nets/jbw
            [in_col] => 2
            [transitivity] => [2442]
            [space_group] => Pmma
            [pearson] => oP6
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => jbw
            [caid] => 375
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.226
            [e_gap] => 
            [energy] => 0.932
            [bulk_mod] => 368.1
            [shear_mod] => 354.9
            [vicker_hard] => 62.3
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1373
            [topology] => jbw
            [link_rcsr] => http://rcsr.net/nets/jbw
            [in_col] => 2
            [transitivity] => [2442]
            [space_group] => Pmma
            [pearson] => oP6
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => jbw
            [caid] => 375
            [nn] => 1
            [name] => G51
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2017_ChemPhysChem_18_873
            [publ_year] => 2017
            [ref] => 
        )

    [2] => Array
        (
            [id] => 1374
            [topology] => jbw
            [link_rcsr] => http://rcsr.net/nets/jbw
            [in_col] => 2
            [transitivity] => [2442]
            [space_group] => Pmma
            [pearson] => oP6
            [cn] => 4
            [Year] => 2017
            [cn_sort] => 004-
            [topology_str] => jbw
            [caid] => 375
            [nn] => 2
            [name] => D-carbon
            [pressure] => 63.7
            [density] => 3.20
            [e_gap] => 4.33
            [energy] => 
            [bulk_mod] => 369
            [shear_mod] => 
            [vicker_hard] => 86.58
            [ref_file] => /References/2018_JChemPhys_149_114702
            [publ_year] => 2018
            [ref] => 
        )

)
xxx