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Tm2Ni(Se2O7)2

Alexandria ALEX

Alex-ID: agm010696360 · Space group: P-1 (#2)

Alexandria Database API

Basic Information

Formula
Tm2Ni(Se2O7)2
Alex-ID
agm010696360
Elements
4
Sites
21
Space group
P-1 (#2)
Crystal system
triclinic
Volume
314.78
ų
Cell a
5.4340
Å
Cell b
8.2812
Å
Cell c
8.2558
Å
α angle
114.11
°
β angle
106.73
°
γ angle
95.58
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2Ni(Se2O7)2
Tm
2.00 · 9.5%
Ni
1.00 · 4.8%
Se
4.00 · 19.0%
O
14.00 · 66.7%

Energy & Stability

Energy above hull
0.0006
eV/atom
Formation energy
-1.9405
eV/atom
Corrected total energy
-138.8553
eV
Raw total energy
-126.8592
eV

Electronic Structure

Indirect band gap
3.8615
eV
Direct band gap
3.9004
eV
DOS at Fermi level
0.0000
Total magnetisation
1.9105
μB

Additional Information

Prototype ID

AB2C4D14_48_spg2

Decomposition

Tm2Se3O10 Tm2(SeO4)3 NiSeO3

Computed at

2025-01-27 00:52:39

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: agm010696360).

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 agm010696360
data_agm010696360
_cell_length_a     5.43399
_cell_length_b     8.28123
_cell_length_c     8.25578
_cell_angle_alpha  114.11310
_cell_angle_beta   106.73169
_cell_angle_gamma  95.57579
_cell_volume       314.78206
_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
  Tm1 Tm 0.18121 0.72622 0.02304 1.00000
  Tm2 Tm 0.81879 0.27378 0.97696 1.00000
  Ni1 Ni 0.50000 0.00000 0.50000 1.00000
  Se1 Se 0.87551 0.74248 0.31634 1.00000
  Se2 Se 0.12449 0.25752 0.68366 1.00000
  Se3 Se 0.59364 0.78120 0.76524 1.00000
  Se4 Se 0.40636 0.21880 0.23476 1.00000
  O1 O 0.84224 0.67750 0.76263 1.00000
  O2 O 0.15776 0.32250 0.23737 1.00000
  O3 O 0.45069 0.77959 0.55621 1.00000
  O4 O 0.54931 0.22041 0.44379 1.00000
  O5 O 0.37235 0.66249 0.80532 1.00000
  O6 O 0.62765 0.33751 0.19468 1.00000
  O7 O 0.71732 0.99288 0.94232 1.00000
  O8 O 0.28268 0.00712 0.05768 1.00000
  O9 O 0.85523 0.58009 0.09331 1.00000
  O10 O 0.14477 0.41991 0.90669 1.00000
  O11 O 0.58659 0.81437 0.25996 1.00000
  O12 O 0.41341 0.18563 0.74004 1.00000
  O13 O 0.10901 0.90404 0.31563 1.00000
  O14 O 0.89099 0.09596 0.68437 1.00000
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