基础信息
化学式
Yb14(SnAs4)3
MP-ID
mp-3293489
元素数
3
位点数
29
密度
8.5673
g/cm³
体积
712.83
ų
晶胞参数 a
8.9426
Å
晶胞参数 b
8.9426
Å
晶胞参数 c
8.9426
Å
α 角
87.31
°
β 角
87.31
°
γ 角
87.31
°
空间群
R3
点群
3
晶体系统
Trigonal
Bravais 格子
hR
稳定性
No
堆积分数
-
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 |
|---|---|---|---|
| 21.87 | 4.0645 | 1.1 | (2,1,0) |
| 22.68 | 3.9210 | 1.4 | (2,0,-1) |
| 23.49 | 3.7875 | 7.0 | (2,1,1) |
| 24.62 | 3.6161 | 4.6 | (2,1,-1) |
| 24.62 | 3.6161 | 19.9 | (2,-1,1) |
| 24.98 | 3.5639 | 7.6 | (2,-1,-1) |
| 24.98 | 3.5639 | 3.8 | (1,-2,1) |
| 27.63 | 3.2283 | 21.1 | (2,2,0) |
| 28.79 | 3.1009 | 3.9 | (2,2,1) |
| 28.93 | 3.0865 | 4.4 | (2,0,-2) |
| 28.93 | 3.0865 | 8.9 | (2,-2,0) |
| 30.04 | 2.9746 | 1.3 | (2,2,-1) |
| 31.27 | 2.8607 | 35.1 | (3,1,0) |
| 31.27 | 2.8607 | 34.6 | (1,3,0) |
| 32.14 | 2.7847 | 100.0 | (3,0,-1) |
| 32.31 | 2.7709 | 12.1 | (3,1,1) |
| 35.51 | 2.5279 | 18.2 | (3,2,0) |
| 35.51 | 2.5279 | 2.6 | (0,3,2) |
| 36.32 | 2.4738 | 43.5 | (3,2,1) |
| 37.59 | 2.3926 | 11.8 | (3,2,-1) |
| 37.59 | 2.3926 | 5.9 | (1,-2,-3) |
| 38.34 | 2.3476 | 27.8 | (3,1,-2) |
| 38.34 | 2.3476 | 13.9 | (3,-2,1) |
| 38.59 | 2.3331 | 22.2 | (3,-1,-2) |
能量属性
形成能/原子
-0.94944
eV/atom
能量/原子
-27.23013
eV/atom
凸包距离
0.5947
eV/atom
未修正能量
-27.2301
eV/atom
体积/原子
24.58
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
Yes
总磁矩
0.9505
μB
磁有序
FM
磁性位点数
7
磁化强度/体积
0.001330
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
Yb · 0.483
元素家族
Lanthanide
溶质分数
0.517
间隙分数
0.000
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
0.9514
高熵判据(>1.0 视为高熵)
混合熵 ΔS
7.9098
J/mol·K
Ω 参数
0.0000
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
19.192%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.5215
越小混合越稳定
VEC
8.414
价电子浓度,影响相稳定性
混合焓 ΔH_mix
0.000
kJ/mol 且负值为放热混合
熵归一化
0.8660
固溶体倾向
0
相趋势
IM
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-3293489
参考引用
The crystal structure and related material properties of Yb14(SnAs4)3 were obtained from the Materials Project database (MP-ID: mp-3293489, 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_Yb14(SnAs4)3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 8.94255700
_cell_length_b 8.94255598
_cell_length_c 8.94255660
_cell_angle_alpha 87.30548001
_cell_angle_beta 87.30547808
_cell_angle_gamma 87.30547029
_symmetry_Int_Tables_number 1
_chemical_formula_structural Yb14(SnAs4)3
_chemical_formula_sum 'Yb14 Sn3 As12'
_cell_volume 712.83004900
_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
Yb Yb0 1 0.41586239 0.27125696 0.77178981 1.0
Yb Yb1 1 0.77178981 0.41586239 0.27125696 1.0
Yb Yb2 1 0.27125696 0.77178981 0.41586239 1.0
Yb Yb3 1 0.99216797 0.53249888 0.65462261 1.0
Yb Yb4 1 0.65462261 0.99216797 0.53249888 1.0
Yb Yb5 1 0.53249888 0.65462261 0.99216797 1.0
Yb Yb6 1 0.17881849 0.53118989 0.02328932 1.0
Yb Yb7 1 0.02328932 0.17881849 0.53118989 1.0
Yb Yb8 1 0.53118989 0.02328932 0.17881849 1.0
Yb Yb9 1 0.76111214 0.26331438 0.91328399 1.0
Yb Yb10 1 0.91328399 0.76111214 0.26331438 1.0
Yb Yb11 1 0.26331438 0.91328399 0.76111214 1.0
Yb Yb12 1 0.18874032 0.18874032 0.18874032 1.0
Yb Yb13 1 0.40160291 0.40160291 0.40160291 1.0
Sn Sn14 1 0.99907997 0.99907997 0.99907997 1.0
Sn Sn15 1 0.82691571 0.82691571 0.82691571 1.0
Sn Sn16 1 0.61413214 0.61413214 0.61413214 1.0
As As17 1 0.70701323 0.32287172 0.58853932 1.0
As As18 1 0.58853932 0.70701323 0.32287172 1.0
As As19 1 0.32287172 0.58853932 0.70701323 1.0
As As20 1 0.57352576 0.97485937 0.86001171 1.0
As As21 1 0.86001171 0.57352576 0.97485937 1.0
As As22 1 0.97485937 0.86001171 0.57352576 1.0
As As23 1 0.47164824 0.34382625 0.08615406 1.0
As As24 1 0.08615406 0.47164824 0.34382625 1.0
As As25 1 0.34382625 0.08615406 0.47164824 1.0
As As26 1 0.10089425 0.23542454 0.85028167 1.0
As As27 1 0.85028167 0.10089425 0.23542454 1.0
As As28 1 0.23542454 0.85028167 0.10089425 1.0
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