Sr8Al7
传统材料 TRAMP-ID: mp-11224 · 空间群: P2_13 (#198)
基础信息
化学式
Sr8Al7
MP-ID
mp-11224
元素数
2
位点数
60
密度
2.8671
g/cm³
体积
2,061.46
ų
晶胞参数 a
12.7270
Å
晶胞参数 b
12.7270
Å
晶胞参数 c
12.7270
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
P2_13
点群
23
晶体系统
Cubic
Bravais 格子
cP
稳定性
No
堆积分数
0.5236
能量属性
形成能/原子
-0.19739
eV/atom
能量/原子
-11.41672
eV/atom
凸包距离
0.0087
eV/atom
未修正能量
-2.8339
eV/atom
体积/原子
34.36
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
Yes
总磁矩
4.0754
μB
磁有序
Unknown
磁性位点数
0
磁化强度/体积
0.001980
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
Sr · 0.533
元素家族
N/A
溶质分数
0.467
间隙分数
0.000
ROM 混合特征雷达
评级与分类
评级 Tier
A
评分
0.631
家族
Binary Alloy
基质元素
Sr · 0.533
关联任务
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-11224
参考引用
The crystal structure and related material properties of Sr8Al7 were obtained from the Materials Project database (MP-ID: mp-11224, 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_Sr8Al7
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 12.72695913
_cell_length_b 12.72695913
_cell_length_c 12.72695913
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Sr8Al7
_chemical_formula_sum 'Sr32 Al28'
_cell_volume 2061.45542470
_cell_formula_units_Z 4
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
Sr Sr0 1 0.81442247 0.81442247 0.81442247 1.0
Sr Sr1 1 0.68557753 0.18557753 0.31442247 1.0
Sr Sr2 1 0.31442247 0.68557753 0.18557753 1.0
Sr Sr3 1 0.18557753 0.31442247 0.68557753 1.0
Sr Sr4 1 0.18443576 0.18443576 0.18443576 1.0
Sr Sr5 1 0.31556424 0.81556424 0.68443576 1.0
Sr Sr6 1 0.68443576 0.31556424 0.81556424 1.0
Sr Sr7 1 0.81556424 0.68443576 0.31556424 1.0
Sr Sr8 1 0.80238625 0.55938806 0.00575723 1.0
Sr Sr9 1 0.00575723 0.80238625 0.55938806 1.0
Sr Sr10 1 0.55938806 0.00575723 0.80238625 1.0
Sr Sr11 1 0.94061194 0.99424277 0.30238625 1.0
Sr Sr12 1 0.50575723 0.69761375 0.44061194 1.0
Sr Sr13 1 0.44061194 0.50575723 0.69761375 1.0
Sr Sr14 1 0.49424277 0.19761375 0.05938806 1.0
Sr Sr15 1 0.99424277 0.30238625 0.94061194 1.0
Sr Sr16 1 0.05938806 0.49424277 0.19761375 1.0
Sr Sr17 1 0.30238625 0.94061194 0.99424277 1.0
Sr Sr18 1 0.19761375 0.05938806 0.49424277 1.0
Sr Sr19 1 0.69761375 0.44061194 0.50575723 1.0
Sr Sr20 1 0.52300102 0.70311838 0.93695219 1.0
Sr Sr21 1 0.93695219 0.52300102 0.70311838 1.0
Sr Sr22 1 0.70311838 0.93695219 0.52300102 1.0
Sr Sr23 1 0.79688162 0.06304781 0.02300102 1.0
Sr Sr24 1 0.43695219 0.97699898 0.29688162 1.0
Sr Sr25 1 0.29688162 0.43695219 0.97699898 1.0
Sr Sr26 1 0.56304781 0.47699898 0.20311838 1.0
Sr Sr27 1 0.06304781 0.02300102 0.79688162 1.0
Sr Sr28 1 0.20311838 0.56304781 0.47699898 1.0
Sr Sr29 1 0.02300102 0.79688162 0.06304781 1.0
Sr Sr30 1 0.47699898 0.20311838 0.56304781 1.0
Sr Sr31 1 0.97699898 0.29688162 0.43695219 1.0
Al Al32 1 0.43035454 0.43035454 0.43035454 1.0
Al Al33 1 0.06964546 0.56964546 0.93035454 1.0
Al Al34 1 0.93035454 0.06964546 0.56964546 1.0
Al Al35 1 0.56964546 0.93035454 0.06964546 1.0
Al Al36 1 0.75342040 0.19094466 0.57727494 1.0
Al Al37 1 0.57727494 0.75342040 0.19094466 1.0
Al Al38 1 0.19094466 0.57727494 0.75342040 1.0
Al Al39 1 0.30905534 0.42272506 0.25342040 1.0
Al Al40 1 0.07727494 0.74657960 0.80905534 1.0
Al Al41 1 0.80905534 0.07727494 0.74657960 1.0
Al Al42 1 0.92272506 0.24657960 0.69094466 1.0
Al Al43 1 0.42272506 0.25342040 0.30905534 1.0
Al Al44 1 0.69094466 0.92272506 0.24657960 1.0
Al Al45 1 0.25342040 0.30905534 0.42272506 1.0
Al Al46 1 0.24657960 0.69094466 0.92272506 1.0
Al Al47 1 0.74657960 0.80905534 0.07727494 1.0
Al Al48 1 0.75132430 0.68636222 0.58144042 1.0
Al Al49 1 0.58144042 0.75132430 0.68636222 1.0
Al Al50 1 0.68636222 0.58144042 0.75132430 1.0
Al Al51 1 0.81363778 0.41855958 0.25132430 1.0
Al Al52 1 0.08144042 0.74867570 0.31363778 1.0
Al Al53 1 0.31363778 0.08144042 0.74867570 1.0
Al Al54 1 0.91855958 0.24867570 0.18636222 1.0
Al Al55 1 0.41855958 0.25132430 0.81363778 1.0
Al Al56 1 0.18636222 0.91855958 0.24867570 1.0
Al Al57 1 0.25132430 0.81363778 0.41855958 1.0
Al Al58 1 0.24867570 0.18636222 0.91855958 1.0
Al Al59 1 0.74867570 0.31363778 0.08144042 1.0