La4Si7
传统材料 TRAMP-ID: mp-3281365 · 空间群: Cmcm (#63)
基础信息
X 射线衍射
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 12.52 | 7.0703 | 1.1 | (1,0,-1,0) |
| 20.24 | 4.3881 | 21.6 | (0,0,0,2) |
| 25.19 | 3.5351 | 22.6 | (2,0,-2,0) |
| 25.19 | 3.5351 | 22.6 | (0,2,-2,0) |
| 25.24 | 3.5290 | 22.6 | (2,-2,0,0) |
| 32.53 | 2.7529 | 100.0 | (2,0,-2,2) |
| 32.56 | 2.7500 | 49.8 | (2,-2,0,2) |
| 41.14 | 2.1940 | 17.3 | (0,0,0,4) |
| 44.36 | 2.0422 | 13.8 | (2,2,-4,0) |
| 44.44 | 2.0387 | 27.5 | (4,-2,-2,0) |
| 48.86 | 1.8642 | 15.3 | (2,0,-2,4) |
| 48.88 | 1.8633 | 7.7 | (2,-2,0,4) |
| 49.21 | 1.8515 | 4.6 | (2,2,-4,2) |
| 49.29 | 1.8489 | 4.6 | (4,-2,-2,2) |
| 49.29 | 1.8489 | 4.6 | (2,-4,2,2) |
| 51.72 | 1.7676 | 6.5 | (4,0,-4,0) |
| 51.81 | 1.7645 | 3.2 | (4,-4,0,0) |
| 56.09 | 1.6396 | 10.3 | (4,0,-4,2) |
| 56.09 | 1.6396 | 10.3 | (0,4,-4,2) |
| 56.19 | 1.6371 | 10.3 | (4,-4,0,2) |
| 62.09 | 1.4949 | 10.0 | (2,2,-4,4) |
| 62.16 | 1.4935 | 20.0 | (4,-2,-2,4) |
| 63.61 | 1.4627 | 1.0 | (0,0,0,6) |
| 68.12 | 1.3765 | 2.8 | (4,0,-4,4) |
能量属性
电子属性
磁性属性
弹性属性
弹性数据暂不开放
特征分析
关联任务
引用参考
The crystal structure and related material properties of La4Si7 were obtained from the Materials Project database (MP-ID: mp-3281365, database version v2026.04.13).
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...
# generated using pymatgen
data_La4Si7
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 8.15464895
_cell_length_b 8.15464787
_cell_length_c 8.77614273
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 119.88549652
_symmetry_Int_Tables_number 1
_chemical_formula_structural La4Si7
_chemical_formula_sum 'La8 Si14'
_cell_volume 505.99325799
_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
La La0 1 0.25358184 0.25358184 0.00000000 1.0
La La1 1 0.74641816 0.74641816 0.00000000 1.0
La La2 1 0.74641816 0.74641816 0.50000000 1.0
La La3 1 0.25358184 0.25358184 0.50000000 1.0
La La4 1 0.25063530 0.74936470 0.49668834 1.0
La La5 1 0.74936470 0.25063530 0.50331166 1.0
La La6 1 0.74936470 0.25063530 0.99668834 1.0
La La7 1 0.25063530 0.74936470 0.00331166 1.0
Si Si8 1 0.07540561 0.40148713 0.25000000 1.0
Si Si9 1 0.92459439 0.59851287 0.75000000 1.0
Si Si10 1 0.58339555 0.41660445 0.25000000 1.0
Si Si11 1 0.41660445 0.58339555 0.75000000 1.0
Si Si12 1 0.41319241 0.58680759 0.25000000 1.0
Si Si13 1 0.58680759 0.41319241 0.75000000 1.0
Si Si14 1 0.07660472 0.92339528 0.25000000 1.0
Si Si15 1 0.92339528 0.07660472 0.75000000 1.0
Si Si16 1 0.59851287 0.92459439 0.25000000 1.0
Si Si17 1 0.40148713 0.07540561 0.75000000 1.0
Si Si18 1 0.92354615 0.58546707 0.25000000 1.0
Si Si19 1 0.07645385 0.41453293 0.75000000 1.0
Si Si20 1 0.41453293 0.07645385 0.25000000 1.0
Si Si21 1 0.58546707 0.92354615 0.75000000 1.0
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