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Sm2C2Br

Alexandria ALEX

Alex-ID: agm002201813 · Space group: C2/c (#15)

Basic Information

Formula
Sm2C2Br
Alex-ID
agm002201813
Elements
3
Sites
10
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
203.66
ų
Cell a
4.1008
Å
Cell b
6.6771
Å
Cell c
7.8696
Å
α angle
101.37
°
β angle
105.10
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2C2Br
C
4.00 · 40.0%
Br
2.00 · 20.0%
Sm
4.00 · 40.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.7728
eV/atom
Corrected total energy
-66.8635
eV
Raw total energy
-66.8635
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0033
eV
DOS at Fermi level
2.9589
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_127_spg15

Decomposition

Sm2C2Br

Computed at

2018-07-09 13:09:30

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: agm002201813).

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 agm002201813
data_agm002201813
_cell_length_a     4.10082
_cell_length_b     6.67714
_cell_length_c     7.86956
_cell_angle_alpha  101.36964
_cell_angle_beta   105.10307
_cell_angle_gamma  90.00400
_cell_volume       203.65568
_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
  C1 C 0.35824 0.52770 0.44316 1.00000
  C2 C 0.91507 0.97229 0.55683 1.00000
  C3 C 0.64176 0.47229 0.55684 1.00000
  C4 C 0.08493 0.02770 0.44317 1.00000
  Br1 Br 0.77374 0.24999 0.00001 1.00000
  Br2 Br 0.22626 0.75001 0.99999 1.00000
  Sm1 Sm 0.53488 0.84405 0.68832 1.00000
  Sm2 Sm 0.15344 0.34406 0.68831 1.00000
  Sm3 Sm 0.46512 0.15595 0.31168 1.00000
  Sm4 Sm 0.84656 0.65594 0.31169 1.00000
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