Navigation

HEAS Data Platform · Materials Science Database

Na2CaAsCO7

Alexandria ALEX

Alex-ID: agm010898379 · Space group: P2_1/m (#11)

Basic Information

Formula
Na2CaAsCO7
Alex-ID
agm010898379
Elements
5
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
364.75
ų
Cell a
7.2591
Å
Cell b
5.1944
Å
Cell c
9.6737
Å
α angle
89.54
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2CaAsCO7
Na
4.00 · 16.7%
Ca
2.00 · 8.3%
As
2.00 · 8.3%
C
2.00 · 8.3%
O
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0585
eV/atom
Formation energy
-2.1763
eV/atom
Corrected total energy
-158.6740
eV
Raw total energy
-148.8419
eV

Electronic Structure

Indirect band gap
0.0647
eV
Direct band gap
0.0680
eV
DOS at Fermi level
8.8065
Total magnetisation
2.0307
μB

Additional Information

Prototype ID

ABCD2E7_105_spg2

Decomposition

NaCaAsO4 Na5As3O10 Na2Ca2(CO3)3 NaO4 Ca(AsO3)2

Computed at

2024-05-09 12:03:03.878999

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: agm010898379).

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 agm010898379
data_agm010898379
_cell_length_a     7.25910
_cell_length_b     5.19439
_cell_length_c     9.67373
_cell_angle_alpha  89.53566
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       364.75198
_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
  Na1 Na 0.00865 0.23981 0.73301 1.00000
  Na2 Na 0.49135 0.23981 0.73301 1.00000
  Na3 Na 0.99135 0.76019 0.26699 1.00000
  Na4 Na 0.50865 0.76019 0.26699 1.00000
  Ca1 Ca 0.75000 0.78090 0.88542 1.00000
  Ca2 Ca 0.25000 0.21910 0.11458 1.00000
  As1 As 0.25000 0.69768 0.90293 1.00000
  As2 As 0.75000 0.30232 0.09707 1.00000
  C1 C 0.75000 0.74833 0.57133 1.00000
  C2 C 0.25000 0.25167 0.42867 1.00000
  O1 O 0.25000 0.26526 0.56060 1.00000
  O2 O 0.75000 0.96768 0.63176 1.00000
  O3 O 0.75000 0.54234 0.64615 1.00000
  O4 O 0.44563 0.81456 0.82662 1.00000
  O5 O 0.05437 0.81456 0.82662 1.00000
  O6 O 0.75000 0.24000 0.92001 1.00000
  O7 O 0.25000 0.36577 0.88972 1.00000
  O8 O 0.75000 0.63423 0.11028 1.00000
  O9 O 0.25000 0.76000 0.07999 1.00000
  O10 O 0.94563 0.18544 0.17338 1.00000
  O11 O 0.55437 0.18544 0.17338 1.00000
  O12 O 0.25000 0.45766 0.35385 1.00000
  O13 O 0.25000 0.03232 0.36824 1.00000
  O14 O 0.75000 0.73474 0.43940 1.00000
Get direct link