基础信息
化学式
Nb4AlS8
MP-ID
mp-3215672
元素数
3
位点数
26
密度
4.6063
g/cm³
体积
472.34
ų
晶胞参数 a
6.7147
Å
晶胞参数 b
6.7147
Å
晶胞参数 c
12.0969
Å
α 角
90.00
°
β 角
90.00
°
γ 角
120.00
°
空间群
P6_3/mmc
点群
6/mmm
晶体系统
Hexagonal
Bravais 格子
hP
稳定性
Yes
堆积分数
0.7405
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 |
|---|---|---|---|
| 14.65 | 6.0485 | 100.0 | (0,0,0,2) |
| 15.24 | 5.8151 | 2.0 | (1,0,-1,0) |
| 21.19 | 4.1920 | 1.8 | (1,0,-1,2) |
| 29.54 | 3.0242 | 3.3 | (0,0,0,4) |
| 30.75 | 2.9075 | 32.9 | (2,0,-2,0) |
| 31.65 | 2.8270 | 13.5 | (2,0,-2,1) |
| 31.65 | 2.8270 | 6.8 | (0,2,-2,1) |
| 34.22 | 2.6205 | 86.3 | (2,0,-2,2) |
| 38.16 | 2.3584 | 14.7 | (2,0,-2,3) |
| 43.16 | 2.0960 | 96.5 | (2,0,-2,4) |
| 44.96 | 2.0162 | 8.3 | (0,0,0,6) |
| 48.98 | 1.8597 | 3.6 | (2,0,-2,5) |
| 54.68 | 1.6787 | 35.3 | (4,-2,-2,0) |
| 55.46 | 1.6568 | 17.1 | (2,0,-2,6) |
| 56.93 | 1.6175 | 5.4 | (4,-2,-2,2) |
| 56.93 | 1.6175 | 10.9 | (2,2,-4,2) |
| 61.31 | 1.5121 | 8.1 | (0,0,0,8) |
| 62.52 | 1.4855 | 3.7 | (2,0,-2,7) |
| 63.37 | 1.4677 | 2.7 | (4,-2,-2,4) |
| 64.05 | 1.4538 | 2.7 | (4,0,-4,0) |
| 64.05 | 1.4538 | 1.3 | (0,4,-4,0) |
| 64.57 | 1.4434 | 2.1 | (4,0,-4,1) |
| 66.10 | 1.4135 | 11.8 | (4,0,-4,2) |
| 68.62 | 1.3676 | 2.3 | (4,0,-4,3) |
能量属性
形成能/原子
-1.26401
eV/atom
能量/原子
-14.33638
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-14.3364
eV/atom
体积/原子
18.17
ų
c/a 比
1.8016
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
0.0070
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000010
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 · 0.615
元素家族
N/A
溶质分数
0.385
间隙分数
0.000
ROM 混合特征雷达
评级与分类
评级 Tier
A
评分
0.610
家族
S-rich Multi-Component
基质元素
S · 0.615
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-3215672
参考引用
The crystal structure and related material properties of Nb4AlS8 were obtained from the Materials Project database (MP-ID: mp-3215672, 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_Nb4AlS8
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 6.71466299
_cell_length_b 6.71466248
_cell_length_c 12.09689318
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00000250
_symmetry_Int_Tables_number 1
_chemical_formula_structural Nb4AlS8
_chemical_formula_sum 'Nb8 Al2 S16'
_cell_volume 472.33798633
_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
Nb Nb0 1 0.01132280 0.50566140 0.25000000 1.0
Nb Nb1 1 0.98867720 0.49433860 0.75000000 1.0
Nb Nb2 1 0.49433860 0.50566140 0.25000000 1.0
Nb Nb3 1 0.50566140 0.49433860 0.75000000 1.0
Nb Nb4 1 0.49433860 0.98867720 0.25000000 1.0
Nb Nb5 1 0.50566140 0.01132280 0.75000000 1.0
Nb Nb6 1 0.00000000 0.00000000 0.25000000 1.0
Nb Nb7 1 0.00000000 0.00000000 0.75000000 1.0
Al Al8 1 0.00000000 0.00000000 0.00000000 1.0
Al Al9 1 0.00000000 0.00000000 0.50000000 1.0
S S10 1 0.33351514 0.16675807 0.11961736 1.0
S S11 1 0.66648386 0.83324193 0.88038264 1.0
S S12 1 0.83324193 0.16675807 0.11961736 1.0
S S13 1 0.66648486 0.83324193 0.61961736 1.0
S S14 1 0.16675807 0.83324193 0.88038264 1.0
S S15 1 0.33351614 0.16675807 0.38038264 1.0
S S16 1 0.83324193 0.66648486 0.11961736 1.0
S S17 1 0.16675807 0.83324193 0.61961736 1.0
S S18 1 0.16675807 0.33351614 0.88038264 1.0
S S19 1 0.83324193 0.16675807 0.38038264 1.0
S S20 1 0.16675807 0.33351514 0.61961736 1.0
S S21 1 0.83324193 0.66648386 0.38038264 1.0
S S22 1 0.33333300 0.66666700 0.11917509 1.0
S S23 1 0.66666700 0.33333300 0.88082491 1.0
S S24 1 0.66666700 0.33333300 0.61917509 1.0
S S25 1 0.33333300 0.66666700 0.38082491 1.0
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