Basic Information
Formula
Eu2TmO4
MP-ID
mp-3295713
Elements
3
Sites
14
Density
8.6652
g/cm³
Volume
205.76
ų
Cell a
5.8891
Å
Cell b
10.1321
Å
Cell c
3.4484
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pbam
Point Group
mmm
Crystal System
Orthorhombic
Bravais Lattice
oP
Stability
Yes
Packing Fraction
-
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 17.42 | 5.0915 | 5.4 | (1,1,0) |
| 23.16 | 3.8405 | 9.6 | (1,2,0) |
| 25.84 | 3.4484 | 7.7 | (0,0,1) |
| 30.36 | 2.9445 | 31.1 | (2,0,0) |
| 30.51 | 2.9298 | 100.0 | (1,3,0) |
| 31.33 | 2.8552 | 89.9 | (1,1,1) |
| 31.38 | 2.8507 | 42.1 | (0,2,1) |
| 31.64 | 2.8276 | 13.3 | (2,1,0) |
| 34.97 | 2.5659 | 3.2 | (1,2,1) |
| 35.44 | 2.5330 | 2.1 | (0,4,0) |
| 38.70 | 2.3269 | 7.7 | (1,4,0) |
| 40.40 | 2.2327 | 8.1 | (1,3,1) |
| 41.29 | 2.1865 | 24.1 | (2,1,1) |
| 44.22 | 2.0481 | 42.1 | (2,2,1) |
| 44.37 | 2.0415 | 12.4 | (0,4,1) |
| 47.12 | 1.9289 | 4.3 | (1,4,1) |
| 47.16 | 1.9272 | 1.8 | (3,1,0) |
| 47.34 | 1.9203 | 1.2 | (2,4,0) |
| 49.82 | 1.8304 | 8.5 | (3,2,0) |
| 53.12 | 1.7242 | 16.0 | (0,0,2) |
| 54.03 | 1.6972 | 9.4 | (3,3,0) |
| 54.33 | 1.6887 | 11.6 | (0,6,0) |
| 54.55 | 1.6823 | 9.9 | (3,1,1) |
| 54.71 | 1.6777 | 12.5 | (2,4,1) |
Energy Properties
Formation Energy/atom
-3.49980
eV/atom
Energy/atom
-22.93594
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-22.9359
eV/atom
Volume/atom
14.70
ų
c/a Ratio
0.5856
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
26.0005
μB
Mag. Ordering
FM
Mag. Sites
4
Magnetization/Volume
0.126360
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.571
Element Family
N/A
Solute Fraction
0.429
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
B
Score
0.482
Family
O-rich Multi-Component
Matrix Element
O · 0.571
Related Tasks
Related computation task IDs (1)
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-3295713
Reference Citation
The crystal structure and related material properties of Eu2TmO4 were obtained from the Materials Project database (MP-ID: mp-3295713, database version v2026.04.13).
Literature Citation
Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0
3D Crystal Structure Rendering
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Raw CIF Data
# generated using pymatgen
data_Eu2TmO4
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 5.88908186
_cell_length_b 10.13207335
_cell_length_c 3.44838609
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Eu2TmO4
_chemical_formula_sum 'Eu4 Tm2 O8'
_cell_volume 205.76040228
_cell_formula_units_Z 2
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'x, y, z'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_symmetry_multiplicity
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Eu Eu0 1 0.56340536 0.17544527 0.50000000 1.0
Eu Eu1 1 0.06340536 0.32455473 0.50000000 1.0
Eu Eu2 1 0.93659464 0.67544527 0.50000000 1.0
Eu Eu3 1 0.43659464 0.82455473 0.50000000 1.0
Tm Tm4 1 0.00000000 0.00000000 0.00000000 1.0
Tm Tm5 1 0.50000000 0.50000000 0.00000000 1.0
O O6 1 0.85376720 0.20226259 0.00000000 1.0
O O7 1 0.35376720 0.29773741 0.00000000 1.0
O O8 1 0.64623180 0.70226359 0.00000000 1.0
O O9 1 0.14623280 0.79773641 0.00000000 1.0
O O10 1 0.23976763 0.03868577 0.50000000 1.0
O O11 1 0.73976763 0.46131523 0.50000000 1.0
O O12 1 0.26023137 0.53868577 0.50000000 1.0
O O13 1 0.76023137 0.96131423 0.50000000 1.0
