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Ca7(B7Rh10)2

Alexandria ALEX

Alex-ID: agm005280075 · Space group: Fmmm (#69)

Basic Information

Formula
Ca7(B7Rh10)2
Alex-ID
agm005280075
Elements
3
Sites
41
Space group
Fmmm (#69)
Crystal system
orthorhombic
Volume
550.73
ų
Cell a
20.9077
Å
Cell b
20.5240
Å
Cell c
5.6040
Å
α angle
86.13
°
β angle
78.35
°
γ angle
15.51
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca7(B7Rh10)2
Ca
7.00 · 17.1%
B
14.00 · 34.1%
Rh
20.00 · 48.8%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.6348
eV/atom
Corrected total energy
-280.5540
eV
Raw total energy
-280.5540
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0072
eV
DOS at Fermi level
7.2458
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A7B14C20_0_spg69

Decomposition

Ca7(B7Rh10)2

Computed at

2023-04-27 18:21:58.243548

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: agm005280075).

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 agm005280075
data_agm005280075
_cell_length_a     20.90770
_cell_length_b     20.52399
_cell_length_c     5.60403
_cell_angle_alpha  86.13460
_cell_angle_beta   78.35419
_cell_angle_gamma  15.51121
_cell_volume       550.73077
_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 0.64668 0.64668 0.35332 1.00000
  Ca2 Ca 0.27784 0.27784 0.72216 1.00000
  Ca3 Ca 0.72216 0.72216 0.27784 1.00000
  Ca4 Ca 0.50000 0.50000 0.50000 1.00000
  Ca5 Ca 0.35332 0.35332 0.64668 1.00000
  Ca6 Ca 0.57304 0.57304 0.42696 1.00000
  Ca7 Ca 0.42696 0.42696 0.57304 1.00000
  B1 B 0.76213 0.09345 0.90655 1.00000
  B2 B 0.02241 0.68866 0.31134 1.00000
  B3 B 0.31134 0.97759 0.02241 1.00000
  B4 B 0.97759 0.31134 0.68866 1.00000
  B5 B 0.37597 0.05781 0.94219 1.00000
  B6 B 0.23787 0.90655 0.09345 1.00000
  B7 B 0.16654 0.83346 0.16654 1.00000
  B8 B 0.05781 0.37597 0.62403 1.00000
  B9 B 0.90655 0.23787 0.76213 1.00000
  B10 B 0.09345 0.76213 0.23787 1.00000
  B11 B 0.83346 0.16654 0.83346 1.00000
  B12 B 0.94219 0.62403 0.37597 1.00000
  B13 B 0.68866 0.02241 0.97759 1.00000
  B14 B 0.62403 0.94219 0.05781 1.00000
  Rh1 Rh 0.31963 0.31963 0.18037 1.00000
  Rh2 Rh 0.10819 0.10819 0.89181 1.00000
  Rh3 Rh 0.96386 0.96386 0.53614 1.00000
  Rh4 Rh 0.81942 0.81942 0.18058 1.00000
  Rh5 Rh 0.60840 0.60840 0.89160 1.00000
  Rh6 Rh 0.89181 0.89181 0.10819 1.00000
  Rh7 Rh 0.03604 0.03604 0.96396 1.00000
  Rh8 Rh 0.10840 0.10840 0.39160 1.00000
  Rh9 Rh 0.18037 0.18037 0.31963 1.00000
  Rh10 Rh 0.53614 0.53614 0.96386 1.00000
  Rh11 Rh 0.03614 0.03614 0.46386 1.00000
  Rh12 Rh 0.68037 0.68037 0.81963 1.00000
  Rh13 Rh 0.39160 0.39160 0.10840 1.00000
  Rh14 Rh 0.25000 0.25000 0.25000 1.00000
  Rh15 Rh 0.46386 0.46386 0.03614 1.00000
  Rh16 Rh 0.18058 0.18058 0.81942 1.00000
  Rh17 Rh 0.96396 0.96396 0.03604 1.00000
  Rh18 Rh 0.89160 0.89160 0.60840 1.00000
  Rh19 Rh 0.75000 0.75000 0.75000 1.00000
  Rh20 Rh 0.81963 0.81963 0.68037 1.00000
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