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Hg2Ge(P2O7)2

Alexandria ALEX

Alex-ID: agm020028600 · Space group: C2/c (#15)

Basic Information

Formula
Hg2Ge(P2O7)2
Alex-ID
agm020028600
Elements
4
Sites
42
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
594.09
ų
Cell a
9.2498
Å
Cell b
9.2498
Å
Cell c
12.9814
Å
α angle
77.75
°
β angle
102.25
°
γ angle
146.74
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hg2Ge(P2O7)2
Hg
4.00 · 9.5%
Ge
2.00 · 4.8%
P
8.00 · 19.0%
O
28.00 · 66.7%

Energy & Stability

Energy above hull
0.0358
eV/atom
Formation energy
-2.1757
eV/atom
Corrected total energy
-284.1650
eV
Raw total energy
-264.5009
eV

Electronic Structure

Indirect band gap
2.3701
eV
Direct band gap
2.4718
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4D14_10_spg15

Decomposition

Hg2P2O7 GeP2O7

Computed at

2024-12-28 14:19:48

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: agm020028600).

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 agm020028600
data_agm020028600
_cell_length_a     9.24984
_cell_length_b     9.24984
_cell_length_c     12.98142
_cell_angle_alpha  77.75457
_cell_angle_beta   102.24543
_cell_angle_gamma  146.73631
_cell_volume       594.08905
_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
  Hg1 Hg 0.08275 0.59582 0.13054 1.00000
  Hg2 Hg 0.59582 0.08275 0.36946 1.00000
  Hg3 Hg 0.91725 0.40418 0.86946 1.00000
  Hg4 Hg 0.40418 0.91725 0.63054 1.00000
  Ge1 Ge 0.86722 0.86722 0.75000 1.00000
  Ge2 Ge 0.13278 0.13278 0.25000 1.00000
  P1 P 0.32610 0.06308 0.91367 1.00000
  P2 P 0.06308 0.32610 0.58633 1.00000
  P3 P 0.67390 0.93692 0.08633 1.00000
  P4 P 0.93692 0.67390 0.41367 1.00000
  P5 P 0.47364 0.24041 0.12646 1.00000
  P6 P 0.24041 0.47364 0.37354 1.00000
  P7 P 0.52636 0.75959 0.87354 1.00000
  P8 P 0.75959 0.52636 0.62646 1.00000
  O1 O 0.13907 0.00974 0.82786 1.00000
  O2 O 0.00974 0.13907 0.67214 1.00000
  O3 O 0.86093 0.99026 0.17214 1.00000
  O4 O 0.99026 0.86093 0.32786 1.00000
  O5 O 0.31429 0.13592 0.01200 1.00000
  O6 O 0.13592 0.31429 0.48800 1.00000
  O7 O 0.68571 0.86408 0.98800 1.00000
  O8 O 0.86408 0.68571 0.51200 1.00000
  O9 O 0.37246 0.29511 0.16731 1.00000
  O10 O 0.29511 0.37246 0.33269 1.00000
  O11 O 0.62754 0.70489 0.83269 1.00000
  O12 O 0.70489 0.62754 0.66731 1.00000
  O13 O 0.60075 0.30788 0.87413 1.00000
  O14 O 0.30788 0.60075 0.62587 1.00000
  O15 O 0.39925 0.69212 0.12587 1.00000
  O16 O 0.69212 0.39925 0.37413 1.00000
  O17 O 0.21588 0.81733 0.94690 1.00000
  O18 O 0.81733 0.21588 0.55310 1.00000
  O19 O 0.78412 0.18267 0.05310 1.00000
  O20 O 0.18267 0.78412 0.44690 1.00000
  O21 O 0.38295 0.01992 0.19347 1.00000
  O22 O 0.01992 0.38295 0.30653 1.00000
  O23 O 0.61705 0.98008 0.80653 1.00000
  O24 O 0.98008 0.61705 0.69347 1.00000
  O25 O 0.76655 0.50468 0.11476 1.00000
  O26 O 0.50468 0.76655 0.38524 1.00000
  O27 O 0.23345 0.49532 0.88524 1.00000
  O28 O 0.49532 0.23345 0.61476 1.00000
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