基础信息
化学式
Ca20Ga11Bi
MP-ID
mp-3316415
元素数
3
位点数
32
密度
3.1256
g/cm³
体积
944.33
ų
晶胞参数 a
7.9704
Å
晶胞参数 b
7.9704
Å
晶胞参数 c
14.8651
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
P422
点群
422
晶体系统
Tetragonal
Bravais 格子
tP
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 |
|---|---|---|---|
| 5.95 | 14.8651 | 8.8 | (0,0,1) |
| 11.10 | 7.9704 | 5.6 | (1,0,0) |
| 11.91 | 7.4326 | 7.1 | (0,0,2) |
| 12.60 | 7.0244 | 9.0 | (1,0,1) |
| 15.72 | 5.6359 | 2.4 | (1,1,0) |
| 16.31 | 5.4358 | 5.4 | (1,0,2) |
| 16.82 | 5.2699 | 5.3 | (1,1,1) |
| 17.90 | 4.9550 | 1.2 | (0,0,3) |
| 19.77 | 4.4908 | 75.0 | (1,1,2) |
| 21.11 | 4.2081 | 3.1 | (1,0,3) |
| 22.31 | 3.9852 | 7.0 | (2,0,0) |
| 23.11 | 3.8493 | 2.4 | (2,0,1) |
| 23.91 | 3.7213 | 3.3 | (1,1,3) |
| 23.95 | 3.7163 | 11.0 | (0,0,4) |
| 24.98 | 3.5645 | 2.7 | (2,1,0) |
| 25.70 | 3.4662 | 6.4 | (2,1,1) |
| 26.46 | 3.3682 | 2.5 | (1,0,4) |
| 27.76 | 3.2140 | 3.8 | (2,1,2) |
| 28.75 | 3.1054 | 2.8 | (2,0,3) |
| 28.78 | 3.1025 | 12.4 | (1,1,4) |
| 30.90 | 2.8936 | 100.0 | (2,1,3) |
| 31.75 | 2.8180 | 26.9 | (2,2,0) |
| 32.13 | 2.7855 | 1.9 | (1,0,5) |
| 32.34 | 2.7686 | 1.1 | (2,2,1) |
能量属性
形成能/原子
-0.48087
eV/atom
能量/原子
-10.64146
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-10.6415
eV/atom
体积/原子
29.51
ų
c/a 比
1.8650
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
2.1940
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.002320
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
Ca · 0.625
元素家族
N/A
溶质分数
0.375
间隙分数
0.000
ROM 混合特征雷达
评级与分类
评级 Tier
A
评分
0.643
家族
Ca-rich Multi-Component
基质元素
Ca · 0.625
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-3316415
参考引用
The crystal structure and related material properties of Ca20Ga11Bi were obtained from the Materials Project database (MP-ID: mp-3316415, 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_Ca20Ga11Bi
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 7.97037504
_cell_length_b 7.97037504
_cell_length_c 14.86510057
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Ca20Ga11Bi
_chemical_formula_sum 'Ca20 Ga11 Bi1'
_cell_volume 944.33343516
_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
Ca Ca0 1 0.67097513 0.18476157 0.11085156 1.0
Ca Ca1 1 0.17585251 0.67721182 0.60568675 1.0
Ca Ca2 1 0.32902487 0.81523843 0.11085156 1.0
Ca Ca3 1 0.82414749 0.32278818 0.60568675 1.0
Ca Ca4 1 0.81523843 0.67097513 0.11085156 1.0
Ca Ca5 1 0.32278818 0.17585251 0.60568675 1.0
Ca Ca6 1 0.18476157 0.32902487 0.11085156 1.0
Ca Ca7 1 0.67721182 0.82414749 0.60568675 1.0
Ca Ca8 1 0.81523843 0.32902487 0.88914844 1.0
Ca Ca9 1 0.32278818 0.82414749 0.39431325 1.0
Ca Ca10 1 0.18476157 0.67097513 0.88914844 1.0
Ca Ca11 1 0.67721182 0.17585251 0.39431325 1.0
Ca Ca12 1 0.67097513 0.81523843 0.88914844 1.0
Ca Ca13 1 0.17585251 0.32278818 0.39431325 1.0
Ca Ca14 1 0.32902487 0.18476157 0.88914844 1.0
Ca Ca15 1 0.82414749 0.67721182 0.39431325 1.0
Ca Ca16 1 0.50000000 0.50000000 0.73998931 1.0
Ca Ca17 1 0.00000000 0.00000000 0.25277564 1.0
Ca Ca18 1 0.00000000 0.00000000 0.74722436 1.0
Ca Ca19 1 0.50000000 0.50000000 0.26001069 1.0
Ga Ga20 1 0.50000000 0.50000000 0.50000000 1.0
Ga Ga21 1 0.50000000 0.50000000 0.00000000 1.0
Ga Ga22 1 0.00000000 0.00000000 0.50000000 1.0
Ga Ga23 1 0.61067368 0.10901433 0.74927139 1.0
Ga Ga24 1 0.10901433 0.61067368 0.25072861 1.0
Ga Ga25 1 0.89098567 0.38932632 0.25072861 1.0
Ga Ga26 1 0.38932632 0.89098567 0.74927139 1.0
Ga Ga27 1 0.89098567 0.61067368 0.74927139 1.0
Ga Ga28 1 0.38932632 0.10901433 0.25072861 1.0
Ga Ga29 1 0.10901433 0.38932632 0.74927139 1.0
Ga Ga30 1 0.61067368 0.89098567 0.25072861 1.0
Bi Bi31 1 0.00000000 0.00000000 0.00000000 1.0
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