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Ca3Hg5(As2O7)4

Alexandria ALEX

Alex-ID: agm017448134 · Space group: P1 (#1)

Basic Information

Formula
Ca3Hg5(As2O7)4
Alex-ID
agm017448134
Elements
4
Sites
44
Space group
P1 (#1)
Crystal system
triclinic
Volume
649.45
ų
Cell a
7.1338
Å
Cell b
7.3604
Å
Cell c
13.7853
Å
α angle
84.68
°
β angle
82.92
°
γ angle
64.83
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3Hg5(As2O7)4
Ca
3.00 · 6.8%
Hg
5.00 · 11.4%
As
8.00 · 18.2%
O
28.00 · 63.6%

Energy & Stability

Energy above hull
0.0358
eV/atom
Formation energy
-1.7530
eV/atom
Corrected total energy
-260.9685
eV
Raw total energy
-241.3044
eV

Electronic Structure

Indirect band gap
1.1957
eV
Direct band gap
1.3389
eV
DOS at Fermi level
-0.0083
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B5C8D28_1_spg1

Decomposition

Hg3(AsO4)2 Ca(AsO3)2 HgO

Computed at

2024-10-25 13:12:50.206135

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: agm017448134).

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 agm017448134
data_agm017448134
_cell_length_a     7.13376
_cell_length_b     7.36043
_cell_length_c     13.78532
_cell_angle_alpha  84.68325
_cell_angle_beta   82.92030
_cell_angle_gamma  64.82795
_cell_volume       649.44672
_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 0.76663 0.66411 0.18557 1.00000
  Ca2 Ca 0.23460 0.33614 0.81593 1.00000
  Ca3 Ca 0.23819 0.33081 0.31507 1.00000
  Hg1 Hg 0.61621 0.25256 0.57901 1.00000
  Hg2 Hg 0.62552 0.24784 0.07876 1.00000
  Hg3 Hg 0.38074 0.75216 0.91908 1.00000
  Hg4 Hg 0.36979 0.75471 0.41897 1.00000
  Hg5 Hg 0.77179 0.66454 0.68160 1.00000
  As1 As 0.13291 0.20227 0.56891 1.00000
  As2 As 0.13757 0.19916 0.07083 1.00000
  As3 As 0.86710 0.80221 0.93137 1.00000
  As4 As 0.86239 0.79403 0.43082 1.00000
  As5 As 0.25327 0.76156 0.66977 1.00000
  As6 As 0.25152 0.75738 0.17077 1.00000
  As7 As 0.74728 0.24387 0.82798 1.00000
  As8 As 0.75081 0.23634 0.32927 1.00000
  O1 O 0.40872 0.78219 0.75080 1.00000
  O2 O 0.40427 0.77155 0.25472 1.00000
  O3 O 0.59293 0.23082 0.74515 1.00000
  O4 O 0.60116 0.21987 0.24456 1.00000
  O5 O 0.24417 0.12256 0.95573 1.00000
  O6 O 0.24478 0.12144 0.45509 1.00000
  O7 O 0.75006 0.87891 0.54555 1.00000
  O8 O 0.76013 0.87966 0.04639 1.00000
  O9 O 0.88373 0.38612 0.56764 1.00000
  O10 O 0.89278 0.38883 0.07332 1.00000
  O11 O 0.11387 0.61546 0.92956 1.00000
  O12 O 0.10627 0.60493 0.42908 1.00000
  O13 O 0.07017 0.00090 0.63011 1.00000
  O14 O 0.07173 0.99834 0.13093 1.00000
  O15 O 0.92808 0.00448 0.86947 1.00000
  O16 O 0.92872 0.99646 0.37275 1.00000
  O17 O 0.29110 0.23511 0.64131 1.00000
  O18 O 0.30242 0.22145 0.14311 1.00000
  O19 O 0.70102 0.77450 0.86167 1.00000
  O20 O 0.69814 0.77480 0.35742 1.00000
  O21 O 0.10593 0.64124 0.71905 1.00000
  O22 O 0.10132 0.63607 0.21274 1.00000
  O23 O 0.90272 0.36162 0.78713 1.00000
  O24 O 0.90201 0.35752 0.28897 1.00000
  O25 O 0.42735 0.64850 0.57257 1.00000
  O26 O 0.44004 0.65114 0.07691 1.00000
  O27 O 0.56151 0.35174 0.92288 1.00000
  O28 O 0.55855 0.34412 0.42169 1.00000
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