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HEAS Data Platform · Materials Science Database

Ca4Mg4P4O17F3

Alexandria ALEX

Alex-ID: agm003241908 · Space group: C2 (#5)

Basic Information

Formula
Ca4Mg4P4O17F3
Alex-ID
agm003241908
Elements
5
Sites
32
Space group
C2 (#5)
Crystal system
monoclinic
Volume
381.71
ų
Cell a
7.9470
Å
Cell b
7.9470
Å
Cell c
6.5673
Å
α angle
85.52
°
β angle
85.52
°
γ angle
67.58
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4Mg4P4O17F3
Ca
4.00 · 12.5%
Mg
4.00 · 12.5%
P
4.00 · 12.5%
O
17.00 · 53.1%
F
3.00 · 9.4%

Energy & Stability

Energy above hull
0.0408
eV/atom
Formation energy
-3.2602
eV/atom
Corrected total energy
-228.9023
eV
Raw total energy
-216.9634
eV

Electronic Structure

Indirect band gap
0.9440
eV
Direct band gap
0.9646
eV
DOS at Fermi level
-0.2220
Total magnetisation
1.1624
μB

Additional Information

Prototype ID

A3B4C4D4E17_2_spg5

Decomposition

CaO8 MgO Mg2PO4F Ca5P3O12F MgF2

Computed at

2021-12-14 08:26:46.297147

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: agm003241908).

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 agm003241908
data_agm003241908
_cell_length_a     7.94705
_cell_length_b     7.94705
_cell_length_c     6.56733
_cell_angle_alpha  85.51551
_cell_angle_beta   85.51551
_cell_angle_gamma  67.58052
_cell_volume       381.71336
_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 0.21395 0.78605 0.50000 1.00000
  Ca2 Ca 0.71219 0.28781 0.00000 1.00000
  Ca3 Ca 0.78003 0.70287 0.26047 1.00000
  Ca4 Ca 0.29713 0.21997 0.73953 1.00000
  Mg1 Mg 0.24870 0.50088 0.12379 1.00000
  Mg2 Mg 0.74830 0.99727 0.61902 1.00000
  Mg3 Mg 0.00273 0.25170 0.38098 1.00000
  Mg4 Mg 0.49912 0.75130 0.87621 1.00000
  P1 P 0.55316 0.44684 0.50000 1.00000
  P2 P 0.05468 0.94532 0.00000 1.00000
  P3 P 0.44767 0.05588 0.24591 1.00000
  P4 P 0.94412 0.55233 0.75409 1.00000
  O1 O 0.87312 0.97960 0.89659 1.00000
  O2 O 0.36875 0.47519 0.40739 1.00000
  O3 O 0.02040 0.12688 0.10341 1.00000
  O4 O 0.52481 0.63125 0.59261 1.00000
  O5 O 0.12956 0.52811 0.84130 1.00000
  O6 O 0.63522 0.02279 0.33400 1.00000
  O7 O 0.97721 0.36478 0.66600 1.00000
  O8 O 0.47189 0.87044 0.15870 1.00000
  O9 O 0.71319 0.40716 0.33363 1.00000
  O10 O 0.21626 0.90667 0.83608 1.00000
  O11 O 0.59284 0.28681 0.66637 1.00000
  O12 O 0.09333 0.78374 0.16392 1.00000
  O13 O 0.29084 0.10351 0.41541 1.00000
  O14 O 0.78522 0.59393 0.92238 1.00000
  O15 O 0.40607 0.21478 0.07762 1.00000
  O16 O 0.89649 0.70916 0.58459 1.00000
  O17 O 0.96164 0.03836 0.50000 1.00000
  F1 F 0.45776 0.54224 0.00000 1.00000
  F2 F 0.04200 0.45839 0.25140 1.00000
  F3 F 0.54161 0.95800 0.74860 1.00000
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