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Ca(CuO2)2

Alexandria ALEX

Alex-ID: agm003236643 · Space group: Pbcm (#57)

Alexandria Database API

Basic Information

Formula
Ca(CuO2)2
Alex-ID
agm003236643
Elements
3
Sites
28
Space group
Pbcm (#57)
Crystal system
orthorhombic
Volume
334.63
ų
Cell a
3.4689
Å
Cell b
9.3108
Å
Cell c
10.3608
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca(CuO2)2
Ca
4.00 · 14.3%
Cu
8.00 · 28.6%
O
16.00 · 57.1%

Energy & Stability

Energy above hull
0.0149
eV/atom
Formation energy
-1.6725
eV/atom
Corrected total energy
-167.4486
eV
Raw total energy
-156.2120
eV

Electronic Structure

Indirect band gap
0.4844
eV
Direct band gap
0.5425
eV
DOS at Fermi level
-0.8914
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_13_spg57

Decomposition

Ca(CuO2)2

Computed at

2021-12-14 16:14:29.412689

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm003236643).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX 
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data 
# CIF generated by HEAS from Alexandria entry agm003236643
data_agm003236643
_cell_length_a     3.46886
_cell_length_b     9.31078
_cell_length_c     10.36083
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       334.63259
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Ca1 Ca 0.41287 0.25000 0.34476 1.00000
  Ca2 Ca 0.41287 0.75000 0.15524 1.00000
  Ca3 Ca 0.58713 0.25000 0.84476 1.00000
  Ca4 Ca 0.58713 0.75000 0.65524 1.00000
  Cu1 Cu 0.87632 0.06941 0.11268 1.00000
  Cu2 Cu 0.87632 0.56941 0.38732 1.00000
  Cu3 Cu 0.12368 0.56941 0.88732 1.00000
  Cu4 Cu 0.87632 0.93059 0.38732 1.00000
  Cu5 Cu 0.12368 0.93059 0.88732 1.00000
  Cu6 Cu 0.87632 0.43059 0.11268 1.00000
  Cu7 Cu 0.12368 0.43059 0.61268 1.00000
  Cu8 Cu 0.12368 0.06941 0.61268 1.00000
  O1 O 0.10601 0.38706 0.95658 1.00000
  O2 O 0.89399 0.61294 0.04342 1.00000
  O3 O 0.58481 0.50000 0.25000 1.00000
  O4 O 0.89399 0.38706 0.45658 1.00000
  O5 O 0.89399 0.11294 0.45658 1.00000
  O6 O 0.90851 0.75000 0.31157 1.00000
  O7 O 0.10601 0.61294 0.54342 1.00000
  O8 O 0.09149 0.75000 0.81157 1.00000
  O9 O 0.58481 0.00000 0.25000 1.00000
  O10 O 0.41519 0.50000 0.75000 1.00000
  O11 O 0.10601 0.11294 0.95658 1.00000
  O12 O 0.09149 0.25000 0.68843 1.00000
  O13 O 0.90851 0.25000 0.18843 1.00000
  O14 O 0.41519 0.00000 0.75000 1.00000
  O15 O 0.10601 0.88706 0.54342 1.00000
  O16 O 0.89399 0.88706 0.04342 1.00000
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