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H2O

Alexandria ALEX

Alex-ID: agm005221791 · Space group: P2_12_12_1 (#19)

Basic Information

Formula
H2O
Alex-ID
agm005221791
Elements
2
Sites
36
Space group
P2_12_12_1 (#19)
Crystal system
orthorhombic
Volume
266.98
ų
Cell a
3.9659
Å
Cell b
8.1128
Å
Cell c
8.2980
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
H2O
H
24.00 · 66.7%
O
12.00 · 33.3%

Energy & Stability

Energy above hull
0.0336
eV/atom
Formation energy
-1.3490
eV/atom
Corrected total energy
-185.8168
eV
Raw total energy
-177.3893
eV

Electronic Structure

Indirect band gap
5.5654
eV
Direct band gap
5.5712
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_242_spg19

Decomposition

H2O

Computed at

2024-10-04 21:46:07

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: agm005221791).

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 agm005221791
data_agm005221791
_cell_length_a     3.96588
_cell_length_b     8.11280
_cell_length_c     8.29804
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       266.98465
_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
  H1 H 0.14586 0.07548 0.59676 1.00000
  H2 H 0.51492 0.54546 0.15608 1.00000
  H3 H 0.38494 0.66165 0.66430 1.00000
  H4 H 0.06593 0.21817 0.47615 1.00000
  H5 H 0.33639 0.22397 0.96442 1.00000
  H6 H 0.77262 0.08860 0.21624 1.00000
  H7 H 0.66361 0.72397 0.53558 1.00000
  H8 H 0.98508 0.45454 0.65608 1.00000
  H9 H 0.22738 0.58860 0.28376 1.00000
  H10 H 0.61506 0.16165 0.83570 1.00000
  H11 H 0.88494 0.83835 0.33570 1.00000
  H12 H 0.48508 0.04546 0.34392 1.00000
  H13 H 0.93407 0.71817 0.02385 1.00000
  H14 H 0.64586 0.42452 0.40324 1.00000
  H15 H 0.27262 0.41140 0.78376 1.00000
  H16 H 0.43407 0.78183 0.97615 1.00000
  H17 H 0.11506 0.33835 0.16430 1.00000
  H18 H 0.72738 0.91140 0.71624 1.00000
  H19 H 0.35414 0.92452 0.09676 1.00000
  H20 H 0.56593 0.28183 0.52385 1.00000
  H21 H 0.83639 0.27603 0.03558 1.00000
  H22 H 0.01492 0.95454 0.84392 1.00000
  H23 H 0.16361 0.77603 0.46442 1.00000
  H24 H 0.85414 0.57548 0.90324 1.00000
  O1 O 0.62637 0.99750 0.25659 1.00000
  O2 O 0.12637 0.50250 0.74341 1.00000
  O3 O 0.87363 0.00250 0.75659 1.00000
  O4 O 0.75471 0.63664 0.99596 1.00000
  O5 O 0.01571 0.23888 0.11165 1.00000
  O6 O 0.74529 0.36336 0.49596 1.00000
  O7 O 0.51571 0.26112 0.88835 1.00000
  O8 O 0.37363 0.49750 0.24341 1.00000
  O9 O 0.98429 0.73888 0.38835 1.00000
  O10 O 0.24529 0.13664 0.50404 1.00000
  O11 O 0.48429 0.76112 0.61165 1.00000
  O12 O 0.25471 0.86336 0.00404 1.00000
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