基础信息
化学式
Nb17Ir3S40
MP-ID
mp-674499
元素数
3
位点数
60
密度
4.5988
g/cm³
体积
1,241.65
ų
晶胞参数 a
19.1178
Å
晶胞参数 b
19.1178
Å
晶胞参数 c
24.7261
Å
α 角
50.30
°
β 角
50.30
°
γ 角
10.32
°
空间群
C2/m
点群
2/m
晶体系统
Monoclinic
Bravais 格子
mC
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 |
|---|---|---|---|
| 7.15 | 12.3624 | 6.3 | (1,1,2) |
| 9.73 | 9.0937 | 2.5 | (1,1,-1) |
| 9.80 | 9.0296 | 2.2 | (2,2,1) |
| 12.12 | 7.3044 | 3.1 | (2,2,0) |
| 14.00 | 6.3237 | 1.4 | (0,0,3) |
| 14.02 | 6.3174 | 1.5 | (1,1,-2) |
| 14.15 | 6.2603 | 2.3 | (3,3,2) |
| 14.15 | 6.2594 | 1.0 | (3,3,3) |
| 14.33 | 6.1812 | 100.0 | (2,2,4) |
| 28.89 | 3.0906 | 2.7 | (4,4,8) |
| 30.16 | 2.9628 | 14.3 | (3,2,0) |
| 30.60 | 2.9217 | 6.2 | (5,5,0) |
| 33.47 | 2.6772 | 5.0 | (1,0,-4) |
| 33.61 | 2.6663 | 52.2 | (5,4,4) |
| 33.80 | 2.6522 | 24.6 | (3,3,-4) |
| 34.08 | 2.6310 | 1.8 | (7,7,4) |
| 38.90 | 2.3151 | 1.0 | (6,5,2) |
| 41.04 | 2.1994 | 1.1 | (7,6,4) |
| 42.14 | 2.1444 | 19.3 | (2,1,8) |
| 42.35 | 2.1342 | 9.8 | (1,1,-8) |
| 42.37 | 2.1332 | 20.7 | (7,6,8) |
| 42.81 | 2.1123 | 8.1 | (9,9,8) |
| 43.94 | 2.0604 | 4.9 | (6,6,12) |
| 53.30 | 1.7187 | 7.6 | (1,-1,0) |
能量属性
形成能/原子
-1.15734
eV/atom
能量/原子
-7.21956
eV/atom
凸包距离
0.0992
eV/atom
未修正能量
-6.8842
eV/atom
体积/原子
20.69
ų
c/a 比
1.2934
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
0.0322
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000030
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
S · 0.667
元素家族
Metalloid-Nonmetal
溶质分数
0.333
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
0.7774
高熵判据(>1.0 视为高熵)
混合熵 ΔS
6.4634
J/mol·K
Ω 参数
0.2893
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
16.837%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.4374
越小混合越稳定
VEC
5.867
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-26.257
kJ/mol 且负值为放热混合
熵归一化
0.7076
固溶体倾向
0
相趋势
AM
关联任务
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-674499
参考引用
The crystal structure and related material properties of Nb17Ir3S40 were obtained from the Materials Project database (MP-ID: mp-674499, 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_Nb17Ir3S40
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 19.11783876
_cell_length_b 19.11783876
_cell_length_c 24.72613671
_cell_angle_alpha 50.30096941
_cell_angle_beta 50.30096941
_cell_angle_gamma 10.31575831
_symmetry_Int_Tables_number 1
_chemical_formula_structural Nb17Ir3S40
_chemical_formula_sum 'Nb17 Ir3 S40'
_cell_volume 1241.64852276
_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
Nb Nb0 1 0.59122200 0.59122200 0.40606000 1.0
Nb Nb1 1 0.00000000 0.00000000 0.50000000 1.0
Nb Nb2 1 0.40877800 0.40877800 0.59394000 1.0
Nb Nb3 1 0.79989200 0.79989200 0.95092100 1.0
Nb Nb4 1 0.20010800 0.20010800 0.04907900 1.0
Nb Nb5 1 0.20964300 0.20964300 0.79068100 1.0
Nb Nb6 1 0.00013800 0.00013800 0.24997000 1.0
Nb Nb7 1 0.59070300 0.59070300 0.91003800 1.0
Nb Nb8 1 0.60019700 0.60019700 0.14936000 1.0
Nb Nb9 1 0.79964900 0.79964900 0.45009200 1.0
Nb Nb10 1 0.79035700 0.79035700 0.20931900 1.0
Nb Nb11 1 0.39957500 0.39957500 0.34980300 1.0
Nb Nb12 1 0.40929700 0.40929700 0.08996200 1.0
Nb Nb13 1 0.20035100 0.20035100 0.54990800 1.0
Nb Nb14 1 0.60042500 0.60042500 0.65019700 1.0
Nb Nb15 1 0.99986200 0.99986200 0.75003000 1.0
Nb Nb16 1 0.39980300 0.39980300 0.85064000 1.0
Ir Ir17 1 0.79202100 0.79202100 0.70619300 1.0
Ir Ir18 1 0.00000000 0.00000000 0.00000000 1.0
Ir Ir19 1 0.20797900 0.20797900 0.29380700 1.0
S S20 1 0.33358800 0.33358800 0.97924400 1.0
S S21 1 0.67066000 0.67066000 0.27890000 1.0
S S22 1 0.73291800 0.73291800 0.07875600 1.0
S S23 1 0.06669000 0.06669000 0.36643300 1.0
S S24 1 0.13367600 0.13367600 0.17788000 1.0
S S25 1 0.46745100 0.46745100 0.46801400 1.0
S S26 1 0.53367400 0.53367400 0.27822700 1.0
S S27 1 0.53254900 0.53254900 0.53198600 1.0
S S28 1 0.86349600 0.86349600 0.58491000 1.0
S S29 1 0.86632400 0.86632400 0.82212000 1.0
S S30 1 0.93331000 0.93331000 0.63356700 1.0
S S31 1 0.93324800 0.93324800 0.37838100 1.0
S S32 1 0.26832100 0.26832100 0.66710000 1.0
S S33 1 0.26708200 0.26708200 0.92124400 1.0
S S34 1 0.32934000 0.32934000 0.72110000 1.0
S S35 1 0.33359100 0.33359100 0.47794800 1.0
S S36 1 0.66605400 0.66605400 0.77909100 1.0
S S37 1 0.66641200 0.66641200 0.02075600 1.0
S S38 1 0.73367300 0.73367300 0.57866200 1.0
S S39 1 0.73377600 0.73377600 0.83188500 1.0
S S40 1 0.06641200 0.06641200 0.12109100 1.0
S S41 1 0.06360100 0.06360100 0.87228900 1.0
S S42 1 0.13381200 0.13381200 0.67889300 1.0
S S43 1 0.13171600 0.13171600 0.92434800 1.0
S S44 1 0.46648700 0.46648700 0.22166700 1.0
S S45 1 0.47251400 0.47251400 0.96577200 1.0
S S46 1 0.52748600 0.52748600 0.03422800 1.0
S S47 1 0.53351300 0.53351300 0.77833300 1.0
S S48 1 0.86618800 0.86618800 0.32110700 1.0
S S49 1 0.86828400 0.86828400 0.07565200 1.0
S S50 1 0.93358800 0.93358800 0.87890900 1.0
S S51 1 0.93639900 0.93639900 0.12771100 1.0
S S52 1 0.26622400 0.26622400 0.16811500 1.0
S S53 1 0.26632700 0.26632700 0.42133800 1.0
S S54 1 0.33394600 0.33394600 0.22090900 1.0
S S55 1 0.66640900 0.66640900 0.52205200 1.0
S S56 1 0.73167900 0.73167900 0.33290000 1.0
S S57 1 0.06675200 0.06675200 0.62161900 1.0
S S58 1 0.13650400 0.13650400 0.41509000 1.0
S S59 1 0.46632600 0.46632600 0.72177300 1.0
获取直接链接