xxx
Array
(
    [0] => Array
        (
            [id] => 499
            [topology] => dmd
            [link_rcsr] => http://rcsr.net/nets/dmd
            [in_col] => 2
            [transitivity] => [2232]
            [space_group] => P42/mmc
            [pearson] => tP6
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => dmd
            [caid] => 94
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 2.297
            [e_gap] => 
            [energy] => 0.660
            [bulk_mod] => 260.9
            [shear_mod] => 82.9
            [vicker_hard] => 12.6
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 500
            [topology] => dmd
            [link_rcsr] => http://rcsr.net/nets/dmd
            [in_col] => 2
            [transitivity] => [2232]
            [space_group] => P42/mmc
            [pearson] => tP6
            [cn] => 3, 4 (2:1)
            [Year] => 2013
            [cn_sort] => 003-004-002-001-
            [topology_str] => dmd
            [caid] => 94
            [nn] => 1
            [name] => Exocyclo-butadieneite
            [pressure] => 
            [density] => 2.27
            [e_gap] => 0.5
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/2013_JMathChem51_868_Exocyclobutadieneite
            [publ_year] => 2013
            [ref] => 
        )

)
xxx