基础信息
化学式
U2Cr30P19
MP-ID
mp-21819
元素数
3
位点数
51
密度
6.8936
g/cm³
体积
632.18
ų
晶胞参数 a
14.5659
Å
晶胞参数 b
14.5659
Å
晶胞参数 c
3.4406
Å
α 角
90.00
°
β 角
90.00
°
γ 角
120.00
°
空间群
P-6
点群
-6
晶体系统
Hexagonal
Bravais 格子
hP
稳定性
No
堆积分数
0.7405
X 射线衍射
衍射图谱
横轴为 2θ (°),纵轴为相对强度,Cu Kα , λ=1.5418 Å
衍射峰(Top 24)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 7.01 | 12.6145 | 17.2 | (1,0,-1,0) |
| 12.15 | 7.2830 | 26.0 | (2,-1,-1,0) |
| 14.04 | 6.3072 | 4.8 | (2,0,-2,0) |
| 18.61 | 4.7678 | 8.4 | (3,-1,-2,0) |
| 21.13 | 4.2048 | 7.8 | (3,0,-3,0) |
| 24.44 | 3.6415 | 9.0 | (4,-2,-2,0) |
| 25.46 | 3.4986 | 4.4 | (4,-1,-3,0) |
| 26.86 | 3.3193 | 11.3 | (1,0,-1,1) |
| 28.30 | 3.1536 | 1.9 | (4,0,-4,0) |
| 28.70 | 3.1109 | 5.0 | (2,-1,-1,1) |
| 29.58 | 3.0204 | 3.0 | (2,0,-2,1) |
| 30.90 | 2.8940 | 6.0 | (5,-2,-3,0) |
| 32.08 | 2.7900 | 20.3 | (3,-1,-2,1) |
| 32.53 | 2.7527 | 14.5 | (5,-1,-4,0) |
| 35.58 | 2.5229 | 1.1 | (5,0,-5,0) |
| 36.63 | 2.4531 | 23.8 | (4,-1,-3,1) |
| 37.03 | 2.4277 | 7.5 | (6,-3,-3,0) |
| 37.74 | 2.3839 | 12.0 | (6,-2,-4,0) |
| 38.73 | 2.3248 | 26.5 | (4,0,-4,1) |
| 39.79 | 2.2656 | 14.0 | (6,-1,-5,0) |
| 40.74 | 2.2147 | 100.0 | (5,-2,-3,1) |
| 42.04 | 2.1494 | 6.3 | (5,-1,-4,1) |
| 43.02 | 2.1024 | 6.7 | (6,0,-6,0) |
| 43.65 | 2.0738 | 10.4 | (7,-3,-4,0) |
能量属性
形成能/原子
-0.42547
eV/atom
能量/原子
-15.78084
eV/atom
凸包距离
0.0103
eV/atom
未修正能量
-8.6092
eV/atom
体积/原子
12.40
ų
c/a 比
0.2362
电子属性
金属性
金属
带隙
0
eV
直接带隙
No
CBM
N/A
eV
磁性属性
磁性
Yes
总磁矩
24.1404
μB
磁有序
FiM
磁性位点数
32
磁化强度/体积
0.038190
μB/ų
弹性属性
弹性数据暂不开放
特征分析
元素组成(原子分数)
组成信息
主元 / 基质元素
Cr · 0.588
元素家族
3d-TM
溶质分数
0.412
间隙分数
0.373
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
0.8070
高熵判据(>1.0 视为高熵)
混合熵 ΔS
6.7093
J/mol·K
Ω 参数
3.2228
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
11.007%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.2701
越小混合越稳定
VEC
5.612
价电子浓度,影响相稳定性
混合焓 ΔH_mix
3.030
kJ/mol 且负值为放热混合
熵归一化
0.7346
固溶体倾向
0
相趋势
IM
关联任务
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-21819
参考引用
The crystal structure and related material properties of U2Cr30P19 were obtained from the Materials Project database (MP-ID: mp-21819, database version v2026.04.13).
文献引用
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
晶体结构 3D 渲染
加载 3D 结构...
样式: Ball & Stick
|
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原始 CIF 数据
# generated using pymatgen
data_U2Cr30P19
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 14.56591575
_cell_length_b 14.56591575
_cell_length_c 3.44059300
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 119.99999888
_symmetry_Int_Tables_number 1
_chemical_formula_structural U2Cr30P19
_chemical_formula_sum 'U2 Cr30 P19'
_cell_volume 632.17821443
_cell_formula_units_Z 1
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
U U0 1 0.00000000 0.00000000 0.50000000 1.0
U U1 1 0.33333300 0.66666700 0.00000000 1.0
Cr Cr2 1 0.15646500 0.98140100 0.00000000 1.0
Cr Cr3 1 0.05819800 0.52376700 0.00000000 1.0
Cr Cr4 1 0.46556900 0.94180200 0.00000000 1.0
Cr Cr5 1 0.47623300 0.53443100 0.00000000 1.0
Cr Cr6 1 0.27602700 0.14652700 0.50000000 1.0
Cr Cr7 1 0.82493600 0.84353500 0.00000000 1.0
Cr Cr8 1 0.85347300 0.12950000 0.50000000 1.0
Cr Cr9 1 0.84740200 0.44382400 0.00000000 1.0
Cr Cr10 1 0.59642200 0.15259800 0.00000000 1.0
Cr Cr11 1 0.55617600 0.40357800 0.00000000 1.0
Cr Cr12 1 0.52402700 0.24820900 0.50000000 1.0
Cr Cr13 1 0.72418200 0.47597300 0.50000000 1.0
Cr Cr14 1 0.75179100 0.27581800 0.50000000 1.0
Cr Cr15 1 0.50934400 0.82263200 0.50000000 1.0
Cr Cr16 1 0.17736800 0.68671200 0.50000000 1.0
Cr Cr17 1 0.31328800 0.49065600 0.50000000 1.0
Cr Cr18 1 0.73091700 0.91780800 0.50000000 1.0
Cr Cr19 1 0.08219200 0.81310900 0.50000000 1.0
Cr Cr20 1 0.18689100 0.26908300 0.50000000 1.0
Cr Cr21 1 0.60230300 0.74564800 0.00000000 1.0
Cr Cr22 1 0.25435200 0.85665500 0.00000000 1.0
Cr Cr23 1 0.14334500 0.39769700 0.00000000 1.0
Cr Cr24 1 0.69025800 0.61929600 0.00000000 1.0
Cr Cr25 1 0.38070400 0.07096200 0.00000000 1.0
Cr Cr26 1 0.92903800 0.30974200 0.00000000 1.0
Cr Cr27 1 0.64479100 0.04499000 0.50000000 1.0
Cr Cr28 1 0.95501000 0.59980100 0.50000000 1.0
Cr Cr29 1 0.40019900 0.35520900 0.50000000 1.0
Cr Cr30 1 0.87050000 0.72397300 0.50000000 1.0
Cr Cr31 1 0.01859900 0.17506400 0.00000000 1.0
P P32 1 0.66666700 0.33333300 0.00000000 1.0
P P33 1 0.93790200 0.42320400 0.50000000 1.0
P P34 1 0.39875600 0.24042400 0.00000000 1.0
P P35 1 0.75957600 0.15833200 0.00000000 1.0
P P36 1 0.84166800 0.60124400 0.00000000 1.0
P P37 1 0.17056900 0.52191700 0.50000000 1.0
P P38 1 0.47808300 0.64865200 0.50000000 1.0
P P39 1 0.35134800 0.82943100 0.50000000 1.0
P P40 1 0.16248000 0.14552300 0.00000000 1.0
P P41 1 0.85447700 0.01695600 0.00000000 1.0
P P42 1 0.98304400 0.83752000 0.00000000 1.0
P P43 1 0.02840200 0.28406400 0.50000000 1.0
P P44 1 0.71593600 0.74433800 0.50000000 1.0
P P45 1 0.25566200 0.97159800 0.50000000 1.0
P P46 1 0.30040800 0.38024800 0.00000000 1.0
P P47 1 0.61975200 0.92016000 0.00000000 1.0
P P48 1 0.07984000 0.69959200 0.00000000 1.0
P P49 1 0.57679600 0.51469800 0.50000000 1.0
P P50 1 0.48530200 0.06209800 0.50000000 1.0
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