基础信息
化学式
Mn6Cr9O20
MP-ID
mp-757545
元素数
3
位点数
70
密度
4.6568
g/cm³
体积
797.02
ų
晶胞参数 a
25.1223
Å
晶胞参数 b
25.1223
Å
晶胞参数 c
25.1223
Å
α 角
13.91
°
β 角
13.91
°
γ 角
13.91
°
空间群
R-3m
点群
-3m
晶体系统
Trigonal
Bravais 格子
hR
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 |
|---|---|---|---|
| 17.83 | 4.9751 | 9.6 | (5,5,5) |
| 17.86 | 4.9673 | 27.3 | (2,2,1) |
| 29.33 | 3.0448 | 47.3 | (7,7,6) |
| 29.37 | 3.0413 | 48.2 | (1,0,-1) |
| 34.54 | 2.5971 | 50.2 | (9,8,8) |
| 34.54 | 2.5971 | 25.1 | (8,8,9) |
| 34.57 | 2.5948 | 50.0 | (6,4,5) |
| 34.57 | 2.5948 | 100.0 | (6,5,4) |
| 34.58 | 2.5937 | 48.7 | (3,1,1) |
| 34.58 | 2.5937 | 24.4 | (1,1,3) |
| 36.11 | 2.4876 | 5.3 | (10,10,10) |
| 36.17 | 2.4837 | 15.8 | (4,4,2) |
| 41.99 | 2.1518 | 42.3 | (8,6,6) |
| 41.99 | 2.1518 | 21.1 | (6,6,8) |
| 52.00 | 1.7586 | 7.9 | (14,13,13) |
| 52.07 | 1.7566 | 9.9 | (8,7,5) |
| 52.07 | 1.7566 | 4.9 | (7,5,8) |
| 52.09 | 1.7559 | 5.2 | (2,-1,-1) |
| 52.09 | 1.7559 | 2.6 | (1,1,-2) |
| 55.40 | 1.6584 | 3.4 | (15,15,15) |
| 55.45 | 1.6572 | 16.6 | (13,11,11) |
| 55.45 | 1.6572 | 8.3 | (11,11,13) |
| 55.48 | 1.6564 | 33.0 | (10,8,7) |
| 55.48 | 1.6564 | 16.5 | (8,7,10) |
能量属性
形成能/原子
-2.29677
eV/atom
能量/原子
-9.17702
eV/atom
凸包距离
0.0116
eV/atom
未修正能量
-7.9845
eV/atom
体积/原子
11.39
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
112.0000
μB
磁有序
FM
磁性位点数
30
磁化强度/体积
0.140520
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
O · 0.571
元素家族
Metalloid-Nonmetal
溶质分数
0.429
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
0.9713
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.0757
J/mol·K
Ω 参数
0.0000
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
37.602%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.9033
越小混合越稳定
VEC
5.029
价电子浓度,影响相稳定性
混合焓 ΔH_mix
0.000
kJ/mol 且负值为放热混合
熵归一化
0.8842
固溶体倾向
0
相趋势
IM
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-757545
参考引用
The crystal structure and related material properties of Mn6Cr9O20 were obtained from the Materials Project database (MP-ID: mp-757545, 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_Mn6Cr9O20
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 25.12227113
_cell_length_b 25.12227113
_cell_length_c 25.12227016
_cell_angle_alpha 13.90632343
_cell_angle_beta 13.90632343
_cell_angle_gamma 13.90632465
_symmetry_Int_Tables_number 1
_chemical_formula_structural Mn6Cr9O20
_chemical_formula_sum 'Mn12 Cr18 O40'
_cell_volume 797.01892298
_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
Mn Mn0 1 0.22491400 0.22491400 0.22491400 1.0
Mn Mn1 1 0.90000000 0.90000000 0.90000000 1.0
Mn Mn2 1 0.17502200 0.17502200 0.17502200 1.0
Mn Mn3 1 0.82497800 0.82497800 0.82497800 1.0
Mn Mn4 1 0.77508600 0.77508600 0.77508600 1.0
Mn Mn5 1 0.42491400 0.42491400 0.42491400 1.0
Mn Mn6 1 0.10000000 0.10000000 0.10000000 1.0
Mn Mn7 1 0.37500600 0.37500600 0.37500600 1.0
Mn Mn8 1 0.02500200 0.02500200 0.02500200 1.0
Mn Mn9 1 0.97499800 0.97499800 0.97499800 1.0
Mn Mn10 1 0.62499400 0.62499400 0.62499400 1.0
Mn Mn11 1 0.57508600 0.57508600 0.57508600 1.0
Cr Cr12 1 0.20030000 0.69972500 0.69972500 1.0
Cr Cr13 1 0.69972500 0.69972500 0.20030000 1.0
Cr Cr14 1 0.69972500 0.20030000 0.69972500 1.0
Cr Cr15 1 0.79970000 0.30027500 0.30027500 1.0
Cr Cr16 1 0.50000000 0.50000000 0.50000000 1.0
Cr Cr17 1 0.30027500 0.79970000 0.30027500 1.0
Cr Cr18 1 0.30027500 0.30027500 0.79970000 1.0
Cr Cr19 1 0.40033000 0.89970900 0.89970900 1.0
Cr Cr20 1 0.69997300 0.69997300 0.69997300 1.0
Cr Cr21 1 0.89970900 0.40033000 0.89970900 1.0
Cr Cr22 1 0.50000000 0.00000000 0.50000000 1.0
Cr Cr23 1 0.50000000 0.50000000 0.00000000 1.0
Cr Cr24 1 0.89970900 0.89970900 0.40033000 1.0
Cr Cr25 1 0.00000000 0.50000000 0.50000000 1.0
Cr Cr26 1 0.30002700 0.30002700 0.30002700 1.0
Cr Cr27 1 0.10029100 0.10029100 0.59967000 1.0
Cr Cr28 1 0.10029100 0.59967000 0.10029100 1.0
Cr Cr29 1 0.59967000 0.10029100 0.10029100 1.0
O O30 1 0.03294200 0.58026800 0.03294200 1.0
O O31 1 0.03294200 0.03294200 0.58026800 1.0
O O32 1 0.58026800 0.03294200 0.03294200 1.0
O O33 1 0.85268900 0.85268900 0.85268900 1.0
O O34 1 0.54731900 0.54731900 0.54731900 1.0
O O35 1 0.81432600 0.36914500 0.36914500 1.0
O O36 1 0.96705800 0.41973200 0.96705800 1.0
O O37 1 0.36914500 0.36914500 0.81432600 1.0
O O38 1 0.36914500 0.81432600 0.36914500 1.0
O O39 1 0.96705800 0.96705800 0.41973200 1.0
O O40 1 0.63085500 0.18567400 0.63085500 1.0
O O41 1 0.63085500 0.63085500 0.18567400 1.0
O O42 1 0.18567400 0.63085500 0.63085500 1.0
O O43 1 0.45268100 0.45268100 0.45268100 1.0
O O44 1 0.78026900 0.23294100 0.23294100 1.0
O O45 1 0.74732000 0.74732000 0.74732000 1.0
O O46 1 0.14731100 0.14731100 0.14731100 1.0
O O47 1 0.41973200 0.96705800 0.96705800 1.0
O O48 1 0.56917100 0.01425300 0.56917100 1.0
O O49 1 0.56917100 0.56917100 0.01425300 1.0
O O50 1 0.23294100 0.23294100 0.78026900 1.0
O O51 1 0.23294100 0.78026900 0.23294100 1.0
O O52 1 0.05269600 0.05269600 0.05269600 1.0
O O53 1 0.65271400 0.65271400 0.65271400 1.0
O O54 1 0.38529500 0.83097900 0.83097900 1.0
O O55 1 0.34728600 0.34728600 0.34728600 1.0
O O56 1 0.61470500 0.16902100 0.16902100 1.0
O O57 1 0.01425300 0.56917100 0.56917100 1.0
O O58 1 0.16902100 0.61470500 0.16902100 1.0
O O59 1 0.16902100 0.16902100 0.61470500 1.0
O O60 1 0.83097900 0.83097900 0.38529500 1.0
O O61 1 0.43082900 0.43082900 0.98574700 1.0
O O62 1 0.83097900 0.38529500 0.83097900 1.0
O O63 1 0.43082900 0.98574700 0.43082900 1.0
O O64 1 0.25268000 0.25268000 0.25268000 1.0
O O65 1 0.98574700 0.43082900 0.43082900 1.0
O O66 1 0.94730400 0.94730400 0.94730400 1.0
O O67 1 0.21973100 0.76705900 0.76705900 1.0
O O68 1 0.76705900 0.21973100 0.76705900 1.0
O O69 1 0.76705900 0.76705900 0.21973100 1.0
获取直接链接