Sr2NiAs2(H2O3)4

Alexandria ALEX

Alex-ID: agm006299733 · Space group: P-1 (#2)

Alexandria Database API

Basic Information

Formula

Sr2NiAs2(H2O3)4

Alex-ID

agm006299733

Elements

Sites

Space group

P-1 (#2)

Crystal system

triclinic

Volume

270.00

Å³

Cell a

6.2337

Cell b

6.6621

Cell c

7.2274

α angle

69.33

β angle

79.21

γ angle

75.25

Composition

Element Composition (atomic fraction)

Composition Info

Formula

Sr2NiAs2(H2O3)4

2.00 · 8.0%

1.00 · 4.0%

2.00 · 8.0%

8.00 · 32.0%

12.00 · 48.0%

Energy & Stability

Energy above hull

0.0013

eV/atom

Formation energy

-1.8604

eV/atom

Corrected total energy

-150.3876

Raw total energy

-139.7961

Electronic Structure

Indirect band gap

3.7102

Direct band gap

3.8399

DOS at Fermi level

0.0000

Total magnetisation

1.9036

μB

Additional Information

Prototype ID

AB2C2D8E12_8_spg2

Decomposition

Sr5As5HO18 SrNiAsHO5 H2O

Computed at

2025-01-14 22:08:09

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: agm006299733).

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

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Raw CIF Data

# CIF generated by HEAS from Alexandria entry agm006299733
data_agm006299733
_cell_length_a     6.23367
_cell_length_b     6.66211
_cell_length_c     7.22742
_cell_angle_alpha  69.32897
_cell_angle_beta   79.21090
_cell_angle_gamma  75.24984
_cell_volume       269.99739
_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
  Sr1 Sr 0.71129 0.67926 0.79696 1.00000
  Sr2 Sr 0.28871 0.32074 0.20304 1.00000
  Ni1 Ni 0.00000 0.00000 0.00000 1.00000
  As1 As 0.75846 0.56977 0.28657 1.00000
  As2 As 0.24154 0.43023 0.71343 1.00000
  H1 H 0.70779 0.94564 0.30919 1.00000
  H2 H 0.29221 0.05436 0.69081 1.00000
  H3 H 0.21028 0.82993 0.72479 1.00000
  H4 H 0.78972 0.17007 0.27521 1.00000
  H5 H 0.16948 0.84566 0.36151 1.00000
  H6 H 0.83052 0.15434 0.63849 1.00000
  H7 H 0.35207 0.80971 0.18807 1.00000
  H8 H 0.64793 0.19029 0.81193 1.00000
  O1 O 0.27043 0.90815 0.79596 1.00000
  O2 O 0.72957 0.09185 0.20404 1.00000
  O3 O 0.22330 0.92583 0.22019 1.00000
  O4 O 0.77670 0.07417 0.77981 1.00000
  O5 O 0.67424 0.71370 0.45030 1.00000
  O6 O 0.32576 0.28630 0.54970 1.00000
  O7 O 0.96427 0.67585 0.10457 1.00000
  O8 O 0.03573 0.32415 0.89543 1.00000
  O9 O 0.11982 0.70253 0.61103 1.00000
  O10 O 0.88018 0.29747 0.38897 1.00000
  O11 O 0.46090 0.40019 0.84310 1.00000
  O12 O 0.53910 0.59981 0.15690 1.00000

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