基础信息
化学式
Li9(NbS2)14
MP-ID
mp-767218
元素数
3
位点数
51
密度
4.2128
g/cm³
体积
891.20
ų
晶胞参数 a
5.8445
Å
晶胞参数 b
12.1783
Å
晶胞参数 c
13.3321
Å
α 角
104.23
°
β 角
90.03
°
γ 角
103.87
°
空间群
P-1
点群
-1
晶体系统
Triclinic
Bravais 格子
aP
稳定性
Yes
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 |
|---|---|---|---|
| 13.73 | 6.4487 | 100.0 | (0,0,2) |
| 27.67 | 3.2244 | 2.0 | (0,0,4) |
| 30.56 | 2.9249 | 6.7 | (1,3,-1) |
| 30.57 | 2.9244 | 6.7 | (1,-4,1) |
| 30.59 | 2.9222 | 6.7 | (2,-1,0) |
| 31.36 | 2.8525 | 2.5 | (1,3,-2) |
| 31.36 | 2.8524 | 2.6 | (1,3,0) |
| 31.36 | 2.8522 | 2.6 | (1,-4,0) |
| 31.37 | 2.8518 | 2.6 | (1,-4,2) |
| 31.39 | 2.8503 | 2.7 | (2,-1,-1) |
| 31.39 | 2.8497 | 2.6 | (2,-1,1) |
| 33.64 | 2.6638 | 10.0 | (1,3,-3) |
| 33.65 | 2.6637 | 10.0 | (1,-4,-1) |
| 33.65 | 2.6636 | 10.0 | (1,3,1) |
| 33.65 | 2.6631 | 10.0 | (1,-4,3) |
| 33.67 | 2.6621 | 10.0 | (2,-1,-2) |
| 33.68 | 2.6613 | 10.0 | (2,-1,2) |
| 37.18 | 2.4184 | 1.2 | (1,3,-4) |
| 37.18 | 2.4184 | 1.2 | (1,-4,-2) |
| 37.18 | 2.4181 | 1.3 | (1,3,2) |
| 37.19 | 2.4177 | 1.3 | (1,-4,4) |
| 37.20 | 2.4173 | 1.3 | (2,-1,-3) |
| 37.21 | 2.4163 | 1.2 | (2,-1,3) |
| 41.69 | 2.1665 | 11.3 | (1,-4,-3) |
能量属性
形成能/原子
-1.52931
eV/atom
能量/原子
-6.91060
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-13.0336
eV/atom
体积/原子
17.47
ų
c/a 比
2.2811
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
S · 0.549
元素家族
Metalloid-Nonmetal
溶质分数
0.451
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
0.9902
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.2324
J/mol·K
Ω 参数
0.1131
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
18.348%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.6414
越小混合越稳定
VEC
4.843
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-76.302
kJ/mol 且负值为放热混合
熵归一化
0.9013
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-767218
参考引用
The crystal structure and related material properties of Li9(NbS2)14 were obtained from the Materials Project database (MP-ID: mp-767218, 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_Li9(NbS2)14
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 5.84447682
_cell_length_b 12.17833848
_cell_length_c 13.33206332
_cell_angle_alpha 104.22731822
_cell_angle_beta 90.02556451
_cell_angle_gamma 103.87413977
_symmetry_Int_Tables_number 1
_chemical_formula_structural Li9(NbS2)14
_chemical_formula_sum 'Li9 Nb14 S28'
_cell_volume 891.20271682
_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
Li Li0 1 0.57042816 0.64224755 0.99993635 1.0
Li Li1 1 0.07525520 0.64844686 0.50006944 1.0
Li Li2 1 0.42957184 0.35775245 0.00006365 1.0
Li Li3 1 0.50000000 0.50000000 0.50000000 1.0
Li Li4 1 0.92474480 0.35155314 0.49993056 1.0
Li Li5 1 0.28658075 0.07162288 0.00000448 1.0
Li Li6 1 0.71341925 0.92837712 -0.00000448 1.0
Li Li7 1 0.78494122 0.06959615 0.49975939 1.0
Li Li8 1 0.21505878 0.93040385 0.50024061 1.0
Nb Nb9 1 0.03414884 0.57147980 0.24901741 1.0
Nb Nb10 1 0.53566279 0.57160089 0.74979896 1.0
Nb Nb11 1 0.46433721 0.42839911 0.25020104 1.0
Nb Nb12 1 0.89185370 0.28554007 0.24909579 1.0
Nb Nb13 1 0.96585116 0.42852020 0.75098259 1.0
Nb Nb14 1 0.39031686 0.28551469 0.74915407 1.0
Nb Nb15 1 0.32064906 0.14312796 0.25075889 1.0
Nb Nb16 1 0.74997219 -0.00004257 0.24979608 1.0
Nb Nb17 1 0.82330070 0.14363306 0.75112430 1.0
Nb Nb18 1 0.25002781 0.00004257 0.75020392 1.0
Nb Nb19 1 0.17669930 0.85636694 0.24887570 1.0
Nb Nb20 1 0.60968314 0.71448531 0.25084593 1.0
Nb Nb21 1 0.67935094 0.85687204 0.74924111 1.0
Nb Nb22 1 0.10814630 0.71445993 0.75090421 1.0
S S23 1 0.35139795 0.53711822 0.12930407 1.0
S S24 1 0.38639228 0.60642220 0.37113308 1.0
S S25 1 0.78068486 0.39426733 0.12947376 1.0
S S26 1 0.81559966 0.46347460 0.37220536 1.0
S S27 1 0.18440034 0.53652540 0.62779464 1.0
S S28 1 0.21931514 0.60573267 0.87052624 1.0
S S29 1 0.20784908 0.25120642 0.12893331 1.0
S S30 1 0.24265852 0.32001766 0.37129580 1.0
S S31 1 0.64860205 0.46288178 0.87069593 1.0
S S32 1 0.61360772 0.39357780 0.62886692 1.0
S S33 1 0.63677115 0.10855439 0.12876892 1.0
S S34 1 0.07658039 0.32049295 0.87104112 1.0
S S35 1 0.67100060 0.17709069 0.37083533 1.0
S S36 1 0.04183586 0.25064637 0.62859902 1.0
S S37 1 0.06611914 0.96523227 0.12854276 1.0
S S38 1 0.10100349 0.03462153 0.37099734 1.0
S S39 1 0.47132146 0.10862368 0.62920337 1.0
S S40 1 0.50610438 0.17790172 0.87105347 1.0
S S41 1 0.49389562 0.82209828 0.12894653 1.0
S S42 1 0.93388086 0.03476773 0.87145724 1.0
S S43 1 0.89899651 0.96537847 0.62900266 1.0
S S44 1 0.52867854 0.89137632 0.37079663 1.0
S S45 1 0.92341961 0.67950705 0.12895888 1.0
S S46 1 0.95816414 0.74935363 0.37140098 1.0
S S47 1 0.32899940 0.82290931 0.62916467 1.0
S S48 1 0.36322885 0.89144561 0.87123108 1.0
S S49 1 0.75734148 0.67998234 0.62870420 1.0
S S50 1 0.79215092 0.74879358 0.87106669 1.0
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