NaCr2(P2O7)2
Alexandria ALEXAlex-ID: agm011027689 · Space group: P2_1 (#4)
Basic Information
Formula
NaCr2(P2O7)2
Alex-ID
agm011027689
Elements
4
Sites
84
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
1,067.86
ų
Cell a
9.6837
Å
Cell b
8.1052
Å
Cell c
13.6329
Å
α angle
90.00
°
β angle
93.64
°
γ angle
90.00
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
NaCr2(P2O7)2
Na
4.00 · 4.8%
Cr
8.00 · 9.5%
P
16.00 · 19.0%
O
56.00 · 66.7%
Energy & Stability
Energy above hull
0.0175
eV/atom
Formation energy
-2.5564
eV/atom
Corrected total energy
-661.2174
eV
Raw total energy
-605.7851
eV
Electronic Structure
Indirect band gap
0.2842
eV
Direct band gap
0.2874
eV
DOS at Fermi level
3.6255
Total magnetisation
19.9938
μB
Additional Information
Prototype ID
AB2C4D14_67_spg1
Decomposition
NaO8 NaCrP2O7 CrPO4 Cr(PO3)3
Computed at
2024-12-30 15:51:31
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: agm011027689).
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 agm011027689
data_agm011027689
_cell_length_a 9.68371
_cell_length_b 8.10520
_cell_length_c 13.63288
_cell_angle_alpha 90.00000
_cell_angle_beta 93.64298
_cell_angle_gamma 90.00000
_cell_volume 1067.86048
_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
Na1 Na 0.67416 0.42630 0.12894 1.00000
Na2 Na 0.91443 0.42414 0.63077 1.00000
Na3 Na 0.08557 0.92414 0.36923 1.00000
Na4 Na 0.32584 0.92630 0.87106 1.00000
Cr1 Cr 0.67689 0.99746 0.13547 1.00000
Cr2 Cr 0.92615 0.99807 0.63287 1.00000
Cr3 Cr 0.18051 0.00243 0.13292 1.00000
Cr4 Cr 0.43111 0.00312 0.63460 1.00000
Cr5 Cr 0.56889 0.50312 0.36540 1.00000
Cr6 Cr 0.81949 0.50243 0.86708 1.00000
Cr7 Cr 0.07385 0.49807 0.36713 1.00000
Cr8 Cr 0.32311 0.49746 0.86453 1.00000
P1 P 0.56473 0.68962 0.75130 1.00000
P2 P 0.58439 0.25834 0.94297 1.00000
P3 P 0.65919 0.76212 0.55686 1.00000
P4 P 0.68372 0.18395 0.75145 1.00000
P5 P 0.82061 0.69912 0.25457 1.00000
P6 P 0.83473 0.26420 0.44251 1.00000
P7 P 0.90990 0.76618 0.05726 1.00000
P8 P 0.92922 0.19634 0.24841 1.00000
P9 P 0.07078 0.69634 0.75159 1.00000
P10 P 0.09010 0.26618 0.94274 1.00000
P11 P 0.16527 0.76420 0.55749 1.00000
P12 P 0.17939 0.19912 0.74543 1.00000
P13 P 0.31628 0.68395 0.24855 1.00000
P14 P 0.34081 0.26212 0.44314 1.00000
P15 P 0.41561 0.75834 0.05703 1.00000
P16 P 0.43527 0.18962 0.24870 1.00000
O1 O 0.49955 0.36327 0.25188 1.00000
O2 O 0.54198 0.05736 0.22520 1.00000
O3 O 0.55029 0.17772 0.68230 1.00000
O4 O 0.56456 0.91765 0.55161 1.00000
O5 O 0.56463 0.80327 0.09152 1.00000
O6 O 0.60378 0.64334 0.64154 1.00000
O7 O 0.58667 0.15621 0.03698 1.00000
O8 O 0.64152 0.13719 0.86078 1.00000
O9 O 0.64875 0.65812 0.46485 1.00000
O10 O 0.67917 0.40999 0.95544 1.00000
O11 O 0.68866 0.31795 0.40719 1.00000
O12 O 0.69276 0.68236 0.82084 1.00000
O13 O 0.71106 0.56940 0.27635 1.00000
O14 O 0.74181 0.35985 0.75450 1.00000
O15 O 0.76474 0.87456 0.24734 1.00000
O16 O 0.78590 0.05263 0.72604 1.00000
O17 O 0.79657 0.18750 0.17978 1.00000
O18 O 0.80875 0.80725 0.58504 1.00000
O19 O 0.81308 0.92041 0.05153 1.00000
O20 O 0.83479 0.16191 0.53586 1.00000
O21 O 0.85603 0.64629 0.14336 1.00000
O22 O 0.89771 0.66155 0.96619 1.00000
O23 O 0.89163 0.14227 0.35972 1.00000
O24 O 0.94326 0.31883 0.91462 1.00000
O25 O 0.93245 0.41368 0.45659 1.00000
O26 O 0.95117 0.69155 0.32293 1.00000
O27 O 0.96244 0.56817 0.77361 1.00000
O28 O 0.02111 0.87364 0.74395 1.00000
O29 O 0.97889 0.37364 0.25605 1.00000
O30 O 0.03756 0.06817 0.22639 1.00000
O31 O 0.04883 0.19155 0.67707 1.00000
O32 O 0.06755 0.91368 0.54341 1.00000
O33 O 0.05674 0.81883 0.08538 1.00000
O34 O 0.10837 0.64227 0.64028 1.00000
O35 O 0.10229 0.16155 0.03381 1.00000
O36 O 0.14397 0.14629 0.85664 1.00000
O37 O 0.16521 0.66191 0.46414 1.00000
O38 O 0.18692 0.42041 0.94847 1.00000
O39 O 0.19125 0.30725 0.41496 1.00000
O40 O 0.20343 0.68750 0.82022 1.00000
O41 O 0.21410 0.55263 0.27396 1.00000
O42 O 0.23526 0.37456 0.75266 1.00000
O43 O 0.25819 0.85985 0.24550 1.00000
O44 O 0.28894 0.06940 0.72365 1.00000
O45 O 0.30724 0.18236 0.17916 1.00000
O46 O 0.31134 0.81795 0.59281 1.00000
O47 O 0.32083 0.90999 0.04456 1.00000
O48 O 0.35125 0.15812 0.53515 1.00000
O49 O 0.35848 0.63719 0.13922 1.00000
O50 O 0.41333 0.65621 0.96302 1.00000
O51 O 0.39622 0.14334 0.35846 1.00000
O52 O 0.43537 0.30327 0.90848 1.00000
O53 O 0.43544 0.41765 0.44839 1.00000
O54 O 0.44971 0.67772 0.31770 1.00000
O55 O 0.45802 0.55736 0.77480 1.00000
O56 O 0.50045 0.86327 0.74812 1.00000
