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Sr4Er4Nb3Fe(Cu2O11)2

Alexandria ALEX

Alex-ID: agm010345166 · Space group: P1 (#1)

Basic Information

Formula
Sr4Er4Nb3Fe(Cu2O11)2
Alex-ID
agm010345166
Elements
6
Sites
38
Space group
P1 (#1)
Crystal system
triclinic
Volume
493.18
ų
Cell a
5.4749
Å
Cell b
5.5679
Å
Cell c
16.1786
Å
α angle
89.69
°
β angle
89.91
°
γ angle
90.11
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr4Er4Nb3Fe(Cu2O11)2
Sr
4.00 · 10.5%
Er
4.00 · 10.5%
Nb
3.00 · 7.9%
Fe
1.00 · 2.6%
Cu
4.00 · 10.5%
O
22.00 · 57.9%

Energy & Stability

Energy above hull
0.1363
eV/atom
Formation energy
-2.8201
eV/atom
Corrected total energy
-296.5656
eV
Raw total energy
-278.3822
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
4.2405
Total magnetisation
-0.0056
μB

Additional Information

Prototype ID

AB3C4D4E4F22_0_spg99

Decomposition

Sr2NbFeO6 Sr2Nb2O7 Er2O3 Cu CuO

Computed at

2024-05-31 19:46:10.727723

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: agm010345166).

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 agm010345166
data_agm010345166
_cell_length_a     5.47488
_cell_length_b     5.56793
_cell_length_c     16.17862
_cell_angle_alpha  89.69284
_cell_angle_beta   89.90800
_cell_angle_gamma  90.10573
_cell_volume       493.17609
_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
  Sr1 Sr 0.00088 0.53091 0.78368 1.00000
  Sr2 Sr 0.51306 0.01290 0.78216 1.00000
  Sr3 Sr 0.99856 0.55654 0.20599 1.00000
  Sr4 Sr 0.50228 0.05510 0.20543 1.00000
  Er1 Er 0.99108 0.50412 0.99461 1.00000
  Er2 Er 0.51132 0.00417 0.99391 1.00000
  Er3 Er 0.98114 0.54808 0.51181 1.00000
  Er4 Er 0.51547 0.04233 0.51335 1.00000
  Nb1 Nb 0.48829 0.47971 0.63445 1.00000
  Nb2 Nb 0.01359 0.01326 0.37538 1.00000
  Nb3 Nb 0.48429 0.51111 0.37423 1.00000
  Fe1 Fe 0.00495 0.98672 0.63266 1.00000
  Cu1 Cu 0.00295 0.00892 0.89573 1.00000
  Cu2 Cu 0.49936 0.50670 0.90662 1.00000
  Cu3 Cu 0.00375 0.02840 0.08923 1.00000
  Cu4 Cu 0.49758 0.52830 0.08919 1.00000
  O1 O 0.76455 0.27311 0.90874 1.00000
  O2 O 0.23670 0.74065 0.91117 1.00000
  O3 O 0.26776 0.24295 0.91182 1.00000
  O4 O 0.73570 0.76879 0.90962 1.00000
  O5 O 0.71969 0.24705 0.08525 1.00000
  O6 O 0.28703 0.81522 0.09796 1.00000
  O7 O 0.21329 0.31532 0.09882 1.00000
  O8 O 0.78215 0.74742 0.08572 1.00000
  O9 O 0.95762 0.98971 0.75401 1.00000
  O10 O 0.54824 0.50858 0.74817 1.00000
  O11 O 0.92125 0.98833 0.26320 1.00000
  O12 O 0.57527 0.49338 0.26207 1.00000
  O13 O 0.78290 0.27912 0.58755 1.00000
  O14 O 0.17414 0.63570 0.63354 1.00000
  O15 O 0.34764 0.15214 0.63702 1.00000
  O16 O 0.69161 0.75501 0.58936 1.00000
  O17 O 0.80016 0.27271 0.41252 1.00000
  O18 O 0.17467 0.66245 0.35710 1.00000
  O19 O 0.32375 0.16292 0.35554 1.00000
  O20 O 0.69576 0.77027 0.41389 1.00000
  O21 O 0.11589 0.93394 0.49453 1.00000
  O22 O 0.37568 0.42796 0.49399 1.00000
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