KTm4Br7N2
Alexandria ALEXAlex-ID: agm020172363 · Space group: Pc (#7)
Basic Information
Formula
KTm4Br7N2
Alex-ID
agm020172363
Elements
4
Sites
56
Space group
Pc (#7)
Crystal system
monoclinic
Volume
1,858.69
ų
Cell a
10.9924
Å
Cell b
10.6879
Å
Cell c
15.8214
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.59
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
KTm4Br7N2
K
4.00 · 7.1%
Tm
16.00 · 28.6%
Br
28.00 · 50.0%
N
8.00 · 14.3%
Energy & Stability
Energy above hull
0.0279
eV/atom
Formation energy
-1.8764
eV/atom
Corrected total energy
-291.4919
eV
Raw total energy
-291.4919
eV
Electronic Structure
Indirect band gap
3.0367
eV
Direct band gap
3.0367
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB
Additional Information
Prototype ID
AB2C4D7_106_spg33
Decomposition
K3TmBr6 TmBr3 TmN
Computed at
2025-05-08 09:42:29.971757
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: agm020172363).
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 agm020172363
data_agm020172363
_cell_length_a 10.99235
_cell_length_b 10.68793
_cell_length_c 15.82139
_cell_angle_alpha 90.00405
_cell_angle_beta 90.00064
_cell_angle_gamma 90.58675
_cell_volume 1858.68681
_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
K1 K 0.73177 0.48459 0.62658 1.00000
K2 K 0.72233 0.00937 0.12416 1.00000
K3 K 0.23203 0.98431 0.87347 1.00000
K4 K 0.22228 0.50909 0.37578 1.00000
Tm1 Tm 0.80089 0.95843 0.60284 1.00000
Tm2 Tm 0.10627 0.39729 0.07941 1.00000
Tm3 Tm 0.04161 0.86626 0.45520 1.00000
Tm4 Tm 0.04391 0.63352 0.95536 1.00000
Tm5 Tm 0.84729 0.36080 0.94170 1.00000
Tm6 Tm 0.34969 0.63936 0.05896 1.00000
Tm7 Tm 0.60656 0.89739 0.42050 1.00000
Tm8 Tm 0.30137 0.04196 0.39668 1.00000
Tm9 Tm 0.54136 0.36627 0.04474 1.00000
Tm10 Tm 0.80112 0.54186 0.10335 1.00000
Tm11 Tm 0.34757 0.86067 0.55820 1.00000
Tm12 Tm 0.54417 0.13349 0.54469 1.00000
Tm13 Tm 0.30065 0.45856 0.89712 1.00000
Tm14 Tm 0.60845 0.60304 0.92121 1.00000
Tm15 Tm 0.84997 0.13941 0.44115 1.00000
Tm16 Tm 0.10869 0.10291 0.57886 1.00000
Br1 Br 0.50111 0.49120 0.77448 1.00000
Br2 Br 0.32109 0.27026 0.49323 1.00000
Br3 Br 0.98019 0.32803 0.54256 1.00000
Br4 Br 0.49980 0.00801 0.27373 1.00000
Br5 Br 0.64977 0.17078 0.95055 1.00000
Br6 Br 0.83869 0.56233 0.81961 1.00000
Br7 Br 0.07918 0.32733 0.83837 1.00000
Br8 Br 0.00128 0.99115 0.72557 1.00000
Br9 Br 0.69110 0.16928 0.69046 1.00000
Br10 Br 0.97327 0.17257 0.04316 1.00000
Br11 Br 0.48011 0.82816 0.95776 1.00000
Br12 Br 0.33685 0.43918 0.18122 1.00000
Br13 Br 0.83713 0.93948 0.31872 1.00000
Br14 Br 0.68658 0.33114 0.19048 1.00000
Br15 Br 0.15610 0.82967 0.04911 1.00000
Br16 Br 0.81577 0.72987 0.50681 1.00000
Br17 Br 0.19104 0.66960 0.80965 1.00000
Br18 Br 0.33895 0.06196 0.68043 1.00000
Br19 Br 0.82090 0.77026 0.00701 1.00000
Br20 Br 0.31555 0.22990 0.99298 1.00000
Br21 Br 0.99958 0.50787 0.22624 1.00000
Br22 Br 0.58325 0.67518 0.16232 1.00000
Br23 Br 0.15003 0.67069 0.54932 1.00000
Br24 Br 0.08356 0.17558 0.33783 1.00000
Br25 Br 0.57949 0.82688 0.66152 1.00000
Br26 Br 0.65630 0.32970 0.45098 1.00000
Br27 Br 0.18672 0.83142 0.30940 1.00000
Br28 Br 0.47348 0.67263 0.45655 1.00000
N1 N 0.69969 0.03494 0.49842 1.00000
N2 N 0.45067 0.98270 0.47713 1.00000
N3 N 0.95105 0.01779 0.52217 1.00000
N4 N 0.95039 0.48268 0.02284 1.00000
N5 N 0.45078 0.51786 0.97785 1.00000
N6 N 0.19897 0.96520 0.50121 1.00000
N7 N 0.69873 0.46525 0.99877 1.00000
N8 N 0.19941 0.53494 0.00160 1.00000
