基础信息
化学式
Nd8Sb14Rh17
MP-ID
mp-1211689
元素数
3
位点数
78
密度
9.2616
g/cm³
体积
1,652.35
ų
晶胞参数 a
13.9439
Å
晶胞参数 b
13.9439
Å
晶胞参数 c
13.9439
Å
α 角
127.57
°
β 角
127.57
°
γ 角
77.32
°
空间群
I4cm
点群
4mm
晶体系统
Tetragonal
Bravais 格子
tI
稳定性
Yes
堆积分数
-
能量属性
形成能/原子
-0.80483
eV/atom
能量/原子
-6.47520
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-6.4752
eV/atom
体积/原子
21.18
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
0.1583
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000100
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
Rh · 0.436
元素家族
4d-TM
溶质分数
0.564
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
1.0547
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.7685
J/mol·K
Ω 参数
0.8477
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
12.949%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.4306
越小混合越稳定
VEC
6.333
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-16.195
kJ/mol 且负值为放热混合
熵归一化
0.9600
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-1211689
参考引用
The crystal structure and related material properties of Nd8Sb14Rh17 were obtained from the Materials Project database (MP-ID: mp-1211689, 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
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样式: Ball & Stick
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原始 CIF 数据
# generated using pymatgen
data_Nd8Sb14Rh17
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 13.94391838
_cell_length_b 13.94391838
_cell_length_c 13.94391838
_cell_angle_alpha 127.57147307
_cell_angle_beta 127.57147307
_cell_angle_gamma 77.32026033
_symmetry_Int_Tables_number 1
_chemical_formula_structural Nd8Sb14Rh17
_chemical_formula_sum 'Nd16 Sb28 Rh34'
_cell_volume 1652.35302984
_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
Nd Nd0 1 0.91140000 0.41140000 0.96786100 1.0
Nd Nd1 1 0.44353900 0.94353900 0.03213900 1.0
Nd Nd2 1 0.41140000 0.44353900 0.50000000 1.0
Nd Nd3 1 0.94353900 0.91140000 0.50000000 1.0
Nd Nd4 1 0.16992500 0.16992500 0.00000000 1.0
Nd Nd5 1 0.66992500 0.66992500 0.00000000 1.0
Nd Nd6 1 0.17185400 0.67185400 0.50000000 1.0
Nd Nd7 1 0.67185400 0.17185400 0.50000000 1.0
Nd Nd8 1 0.67566900 0.43768000 0.25789600 1.0
Nd Nd9 1 0.17978400 0.41777300 0.74210400 1.0
Nd Nd10 1 0.43768000 0.17978400 0.76201100 1.0
Nd Nd11 1 0.67978400 0.93768000 0.76201100 1.0
Nd Nd12 1 0.41777300 0.67566900 0.23798900 1.0
Nd Nd13 1 0.17566900 0.91777300 0.23798900 1.0
Nd Nd14 1 0.91777300 0.67978400 0.74210400 1.0
Nd Nd15 1 0.93768000 0.17566900 0.25789600 1.0
Sb Sb16 1 0.22238700 0.48238600 0.23717100 1.0
Sb Sb17 1 0.24521400 0.98521500 0.76282900 1.0
Sb Sb18 1 0.48238600 0.24521400 0.25999900 1.0
Sb Sb19 1 0.74521400 0.98238600 0.25999900 1.0
Sb Sb20 1 0.98521500 0.22238700 0.74000100 1.0
Sb Sb21 1 0.72238700 0.48521500 0.74000100 1.0
Sb Sb22 1 0.48521500 0.74521400 0.76282900 1.0
Sb Sb23 1 0.98238600 0.72238700 0.23717100 1.0
Sb Sb24 1 0.17199900 0.21505100 0.27312600 1.0
Sb Sb25 1 0.94192500 0.89887300 0.72687400 1.0
Sb Sb26 1 0.21505100 0.94192500 0.04305200 1.0
Sb Sb27 1 0.44192500 0.71505100 0.04305200 1.0
Sb Sb28 1 0.89887300 0.17199900 0.95694800 1.0
Sb Sb29 1 0.67199900 0.39887300 0.95694800 1.0
Sb Sb30 1 0.39887300 0.44192500 0.72687400 1.0
Sb Sb31 1 0.71505100 0.67199900 0.27312600 1.0
Sb Sb32 1 0.37719700 0.37719700 0.00000000 1.0
Sb Sb33 1 0.87719700 0.87719700 0.00000000 1.0
Sb Sb34 1 0.11851900 0.61851900 0.67629400 1.0
Sb Sb35 1 0.94222500 0.44222500 0.32370600 1.0
Sb Sb36 1 0.61851900 0.94222500 0.50000000 1.0
Sb Sb37 1 0.44222500 0.11851900 0.50000000 1.0
Sb Sb38 1 0.37550300 0.87550300 0.50000000 1.0
Sb Sb39 1 0.87550300 0.37550300 0.50000000 1.0
Sb Sb40 1 0.10849300 0.60849300 0.98369000 1.0
Sb Sb41 1 0.62480400 0.12480400 0.01631000 1.0
Sb Sb42 1 0.60849300 0.62480400 0.50000000 1.0
Sb Sb43 1 0.12480400 0.10849300 0.50000000 1.0
Rh Rh44 1 0.38280000 0.16081100 0.30940300 1.0
Rh Rh45 1 0.85140800 0.07339600 0.69059700 1.0
Rh Rh46 1 0.16081100 0.85140800 0.77801100 1.0
Rh Rh47 1 0.35140800 0.66081100 0.77801100 1.0
Rh Rh48 1 0.07339600 0.38280000 0.22198900 1.0
Rh Rh49 1 0.88280000 0.57339600 0.22198900 1.0
Rh Rh50 1 0.57339600 0.35140800 0.69059700 1.0
Rh Rh51 1 0.66081100 0.88280000 0.30940300 1.0
Rh Rh52 1 0.91538900 0.41538900 0.73721400 1.0
Rh Rh53 1 0.67817400 0.17817400 0.26278600 1.0
Rh Rh54 1 0.41538900 0.67817400 0.50000000 1.0
Rh Rh55 1 0.17817400 0.91538900 0.50000000 1.0
Rh Rh56 1 0.66779000 0.16779000 0.74870700 1.0
Rh Rh57 1 0.41908300 0.91908300 0.25129300 1.0
Rh Rh58 1 0.16779000 0.41908300 0.50000000 1.0
Rh Rh59 1 0.91908300 0.66779000 0.50000000 1.0
Rh Rh60 1 0.21162200 0.71162200 0.95670500 1.0
Rh Rh61 1 0.75491700 0.25491700 0.04329500 1.0
Rh Rh62 1 0.71162200 0.75491700 0.50000000 1.0
Rh Rh63 1 0.25491700 0.21162200 0.50000000 1.0
Rh Rh64 1 0.41948400 0.43020700 0.24551500 1.0
Rh Rh65 1 0.18469200 0.17396900 0.75448500 1.0
Rh Rh66 1 0.43020700 0.18469200 0.01072300 1.0
Rh Rh67 1 0.68469200 0.93020700 0.01072300 1.0
Rh Rh68 1 0.17396900 0.41948400 0.98927700 1.0
Rh Rh69 1 0.91948400 0.67396900 0.98927700 1.0
Rh Rh70 1 0.67396900 0.68469200 0.75448500 1.0
Rh Rh71 1 0.93020700 0.91948400 0.24551500 1.0
Rh Rh72 1 0.43239400 0.93239400 0.75233700 1.0
Rh Rh73 1 0.18005700 0.68005700 0.24766300 1.0
Rh Rh74 1 0.93239400 0.18005700 0.50000000 1.0
Rh Rh75 1 0.68005700 0.43239400 0.50000000 1.0
Rh Rh76 1 0.00369400 0.00369400 0.00000000 1.0
Rh Rh77 1 0.50369400 0.50369400 0.00000000 1.0
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