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CaMn2O4

Alexandria ALEX

Alex-ID: agm005236398 · Space group: P2_1/c (#14)

Basic Information

Formula
CaMn2O4
Alex-ID
agm005236398
Elements
3
Sites
28
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
362.68
ų
Cell a
5.8813
Å
Cell b
5.7204
Å
Cell c
10.7833
Å
α angle
91.40
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaMn2O4
Ca
4.00 · 14.3%
Mn
8.00 · 28.6%
O
16.00 · 57.1%

Energy & Stability

Energy above hull
0.0801
eV/atom
Formation energy
-2.3588
eV/atom
Corrected total energy
-226.7432
eV
Raw total energy
-202.0597
eV

Electronic Structure

Indirect band gap
1.4307
eV
Direct band gap
1.6602
eV
DOS at Fermi level
-0.0002
Total magnetisation
32.0000
μB

Additional Information

Prototype ID

AB2C4_823_spg14

Decomposition

CaMn2O4

Computed at

2023-05-11 23:26:02.865550

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: agm005236398).

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 agm005236398
data_agm005236398
_cell_length_a     5.88130
_cell_length_b     5.72045
_cell_length_c     10.78330
_cell_angle_alpha  91.40466
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       362.68049
_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 0.41113 0.32506 0.10716 1.00000
  Ca2 Ca 0.58887 0.67494 0.89284 1.00000
  Ca3 Ca 0.08887 0.32506 0.60716 1.00000
  Ca4 Ca 0.91113 0.67494 0.39284 1.00000
  Mn1 Mn 0.94489 0.63700 0.12031 1.00000
  Mn2 Mn 0.90742 0.12927 0.14082 1.00000
  Mn3 Mn 0.09258 0.87073 0.85918 1.00000
  Mn4 Mn 0.05511 0.36300 0.87969 1.00000
  Mn5 Mn 0.40742 0.87073 0.35918 1.00000
  Mn6 Mn 0.44489 0.36300 0.37969 1.00000
  Mn7 Mn 0.55511 0.63700 0.62031 1.00000
  Mn8 Mn 0.59258 0.12927 0.64082 1.00000
  O1 O 0.05989 0.88250 0.23126 1.00000
  O2 O 0.06800 0.39061 0.22109 1.00000
  O3 O 0.93200 0.60939 0.77891 1.00000
  O4 O 0.94011 0.11750 0.76874 1.00000
  O5 O 0.56800 0.60939 0.27891 1.00000
  O6 O 0.55989 0.11750 0.26874 1.00000
  O7 O 0.44011 0.88250 0.73126 1.00000
  O8 O 0.43200 0.39061 0.72109 1.00000
  O9 O 0.79369 0.88053 0.03366 1.00000
  O10 O 0.77875 0.38465 0.03138 1.00000
  O11 O 0.22125 0.61535 0.96862 1.00000
  O12 O 0.20631 0.11947 0.96634 1.00000
  O13 O 0.70631 0.88053 0.53366 1.00000
  O14 O 0.72125 0.38465 0.53138 1.00000
  O15 O 0.27875 0.61535 0.46862 1.00000
  O16 O 0.29369 0.11947 0.46634 1.00000
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