xxx 
Array
(
    [0] => Array
        (
            [id] => 391
            [topology] => hcp
            [link_rcsr] => http://rcsr.net/nets/hcp
            [in_col] => 1
            [transitivity] => [1232]
            [space_group] => P63/mmc
            [pearson] => hP2
            [cn] => 12
            [Year] => 1983
            [cn_sort] => 012-
            [topology_str] => hcp
            [sp_atoms] => 
            [caid] => 64
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => HPP
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 392
            [topology] => hcp
            [link_rcsr] => http://rcsr.net/nets/hcp
            [in_col] => 1
            [transitivity] => [1232]
            [space_group] => P63/mmc
            [pearson] => hP2
            [cn] => 12
            [Year] => 1983
            [cn_sort] => 012-
            [topology_str] => hcp
            [sp_atoms] => 
            [caid] => 64
            [nn] => 1
            [name] => hcp
            [pressure] => >2300
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/1983_PhysRevLett_50_2006
            [publ_year] => 1983
            [ref] => 
        )

    [2] => Array
        (
            [id] => 393
            [topology] => hcp
            [link_rcsr] => http://rcsr.net/nets/hcp
            [in_col] => 1
            [transitivity] => [1232]
            [space_group] => P63/mmc
            [pearson] => hP2
            [cn] => 12
            [Year] => 1983
            [cn_sort] => 012-
            [topology_str] => hcp
            [sp_atoms] => 
            [caid] => 64
            [nn] => 2
            [name] => hcp
            [pressure] => 
            [density] => 
            [e_gap] => 
            [energy] => 
            [bulk_mod] => 
            [shear_mod] => 
            [vicker_hard] => 
            [ref_file] => /References/1987_PhysRevB_36_3373
            [publ_year] => 1987
            [ref] => 
        )

)
General information SACADA Check your allotrope Cite this: Angew. Chem. Int. Ed. 2016, 55, 10962–10976 

SACADA Database Code: 64

Topology: hcp

# of independent nodes (IN): 1
Transitivity: [1232]
Space Group: P63/mmc
Pearson: hP2
Coordination Number (CN): 12

Year: 1983

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Style:  Wireframe   Capped sticks   Spacefill   Ball&Sticks
Labels:  No Labels   All Atoms
Translations:  {1x1x1}   {2x2x2}  {3x3x3}
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Data

Name

Pressure, GPa

Density, g/cm³

Gap, eV

Relative energy, eV/atom

Bulk, GPa

Shear, GPa

Vickers, GPa

Refs
hcp (SACADA #64)HPPSACADA¹
hcp>2300doi: 10.1103/PhysRevLett.50.2006 
hcplink 

¹ We apply the density functional theory (DFT) approach by using the Vienna Ab Initio Simulation Package (VASP) to calculate the total energy and properties of carbon allotropes.

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© 2016 – 2025 SCTMS  Team References support@sacada.info Cite this: Angew. Chem. Int. Ed. 2016, 55, 10962–10976 
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