基础信息
化学式
Nd3PBr3
MP-ID
mp-3321506
元素数
3
位点数
28
密度
5.6482
g/cm³
体积
827.20
ų
晶胞参数 a
10.2426
Å
晶胞参数 b
10.2426
Å
晶胞参数 c
10.2426
Å
α 角
109.47
°
β 角
109.47
°
γ 角
109.47
°
空间群
I4_132
点群
432
晶体系统
Cubic
Bravais 格子
cI
稳定性
Yes
堆积分数
0.6802
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 |
|---|---|---|---|
| 10.58 | 8.3631 | 28.5 | (1,0,0) |
| 18.37 | 4.8284 | 15.8 | (1,1,0) |
| 23.79 | 3.7401 | 2.1 | (2,1,-1) |
| 26.10 | 3.4142 | 11.6 | (1,1,1) |
| 28.23 | 3.1609 | 46.9 | (2,1,0) |
| 30.23 | 2.9568 | 95.3 | (2,2,-2) |
| 30.23 | 2.9568 | 47.7 | (2,-2,2) |
| 32.11 | 2.7877 | 1.1 | (2,2,-1) |
| 32.11 | 2.7877 | 2.1 | (2,-1,2) |
| 35.60 | 2.5216 | 25.7 | (2,1,1) |
| 38.82 | 2.3195 | 1.8 | (3,2,-2) |
| 38.82 | 2.3195 | 4.4 | (3,1,0) |
| 43.27 | 2.0908 | 100.0 | (4,0,0) |
| 44.68 | 2.0283 | 1.2 | (5,-1,-2) |
| 47.38 | 1.9186 | 3.1 | (4,2,-3) |
| 47.38 | 1.9186 | 1.4 | (5,-2,-3) |
| 49.98 | 1.8250 | 4.4 | (4,1,0) |
| 51.24 | 1.7830 | 4.2 | (3,3,-1) |
| 52.47 | 1.7438 | 6.1 | (4,2,-1) |
| 53.69 | 1.7071 | 33.3 | (2,2,2) |
| 54.89 | 1.6726 | 3.1 | (4,3,-3) |
| 57.24 | 1.6095 | 20.0 | (4,3,-2) |
| 61.76 | 1.5021 | 6.2 | (4,3,-1) |
| 61.76 | 1.5021 | 10.3 | (6,-4,1) |
能量属性
形成能/原子
-1.90183
eV/atom
能量/原子
-21.47793
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-21.4779
eV/atom
体积/原子
29.54
ų
c/a 比
1.0000
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
No
总磁矩
0.0000
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000000
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
Nd · 0.429
元素家族
Lanthanide
溶质分数
0.571
间隙分数
0.143
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
1.0042
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.3493
J/mol·K
Ω 参数
0.3004
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
24.464%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.8439
越小混合越稳定
VEC
4.143
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-19.875
kJ/mol 且负值为放热混合
熵归一化
0.9141
固溶体倾向
0
相趋势
AM
关联任务
关联的计算任务 ID(1 个)
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-3321506
参考引用
The crystal structure and related material properties of Nd3PBr3 were obtained from the Materials Project database (MP-ID: mp-3321506, 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_Nd3PBr3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 10.24261932
_cell_length_b 10.24261942
_cell_length_c 10.24261954
_cell_angle_alpha 109.47122283
_cell_angle_beta 109.47122303
_cell_angle_gamma 109.47121526
_symmetry_Int_Tables_number 1
_chemical_formula_structural Nd3PBr3
_chemical_formula_sum 'Nd12 P4 Br12'
_cell_volume 827.20132767
_cell_formula_units_Z 4
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
Nd Nd0 1 0.26359538 0.01359538 0.02718976 1.0
Nd Nd1 1 0.02718976 0.26359538 0.01359538 1.0
Nd Nd2 1 0.48640462 0.75000000 0.01359538 1.0
Nd Nd3 1 0.75000000 0.23640462 0.26359538 1.0
Nd Nd4 1 0.01359538 0.02718976 0.26359538 1.0
Nd Nd5 1 0.01359538 0.48640462 0.75000000 1.0
Nd Nd6 1 0.23640462 0.26359538 0.75000000 1.0
Nd Nd7 1 0.26359538 0.75000000 0.23640462 1.0
Nd Nd8 1 0.23640462 0.47281024 0.48640462 1.0
Nd Nd9 1 0.47281024 0.48640462 0.23640462 1.0
Nd Nd10 1 0.75000000 0.01359538 0.48640462 1.0
Nd Nd11 1 0.48640462 0.23640462 0.47281024 1.0
P P12 1 0.00000000 0.25000000 0.50000000 1.0
P P13 1 0.25000000 0.50000000 0.00000000 1.0
P P14 1 0.50000000 0.00000000 0.25000000 1.0
P P15 1 0.25000000 0.25000000 0.25000000 1.0
Br Br16 1 0.75687455 0.74312545 0.25000000 1.0
Br Br17 1 0.50687455 0.25000000 0.99312545 1.0
Br Br18 1 0.25000000 0.99312545 0.50687455 1.0
Br Br19 1 0.51374910 0.50687455 0.75687455 1.0
Br Br20 1 0.99312545 0.98625090 0.74312545 1.0
Br Br21 1 0.74312545 0.99312545 0.98625090 1.0
Br Br22 1 0.50687455 0.75687455 0.51374910 1.0
Br Br23 1 0.75687455 0.51374910 0.50687455 1.0
Br Br24 1 0.99312545 0.50687455 0.25000000 1.0
Br Br25 1 0.98625090 0.74312545 0.99312545 1.0
Br Br26 1 0.25000000 0.75687455 0.74312545 1.0
Br Br27 1 0.74312545 0.25000000 0.75687455 1.0
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