基础信息
化学式
KCrN2
MP-ID
mp-1029673
元素数
3
位点数
64
密度
3.0681
g/cm³
体积
1,031.42
ų
晶胞参数 a
5.7247
Å
晶胞参数 b
11.4849
Å
晶胞参数 c
15.6878
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
Pbca
点群
mmm
晶体系统
Orthorhombic
Bravais 格子
oP
稳定性
Yes
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 |
|---|---|---|---|
| 19.15 | 4.6335 | 14.7 | (0,2,2) |
| 19.19 | 4.6241 | 13.8 | (1,0,2) |
| 28.66 | 3.1143 | 13.1 | (1,1,4) |
| 31.15 | 2.8712 | 33.0 | (0,4,0) |
| 31.25 | 2.8623 | 21.7 | (2,0,0) |
| 31.74 | 2.8188 | 100.0 | (1,2,4) |
| 32.23 | 2.7774 | 7.6 | (2,1,0) |
| 35.03 | 2.5617 | 1.6 | (2,2,0) |
| 36.36 | 2.4711 | 6.4 | (1,3,4) |
| 38.87 | 2.3167 | 2.6 | (0,4,4) |
| 38.95 | 2.3121 | 1.8 | (2,0,4) |
| 39.30 | 2.2924 | 3.7 | (2,3,0) |
| 44.71 | 2.0271 | 6.5 | (2,4,0) |
| 46.30 | 1.9610 | 5.9 | (0,0,8) |
| 48.61 | 1.8730 | 2.5 | (1,5,4) |
| 49.14 | 1.8541 | 1.6 | (3,0,2) |
| 49.78 | 1.8316 | 1.5 | (1,4,6) |
| 49.83 | 1.8298 | 1.2 | (2,2,6) |
| 50.98 | 1.7915 | 1.7 | (2,5,0) |
| 53.40 | 1.7159 | 2.3 | (3,0,4) |
| 54.04 | 1.6971 | 5.7 | (3,1,4) |
| 55.80 | 1.6474 | 17.1 | (1,6,4) |
| 55.93 | 1.6441 | 6.2 | (3,2,4) |
| 56.86 | 1.6193 | 10.4 | (0,4,8) |
能量属性
形成能/原子
-0.63997
eV/atom
能量/原子
-7.50521
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-7.3247
eV/atom
体积/原子
16.12
ų
c/a 比
2.7404
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
0.2093
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000200
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
N · 0.500
元素家族
Metalloid-Nonmetal
溶质分数
0.500
间隙分数
0.500
综合指标雷达(归一化)
元素类别占比
混合熵 ΔS/R
1.0397
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.6442
J/mol·K
Ω 参数
0.1269
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
47.575%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.9477
越小混合越稳定
VEC
4.250
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-45.000
kJ/mol 且负值为放热混合
熵归一化
0.9464
固溶体倾向
0
相趋势
AM
关联任务
引用参考
Materials Project 官方页面
https://materialsproject.org/materials/mp-1029673
参考引用
The crystal structure and related material properties of KCrN2 were obtained from the Materials Project database (MP-ID: mp-1029673, 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_KCrN2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 5.72464600
_cell_length_b 11.48491500
_cell_length_c 15.68776200
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural KCrN2
_chemical_formula_sum 'K16 Cr16 N32'
_cell_volume 1031.42442895
_cell_formula_units_Z 16
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
K K0 1 0.24833900 0.00004800 0.43289500 1.0
K K1 1 0.74833900 0.49995200 0.56710500 1.0
K K2 1 0.75166100 0.50004800 0.06710500 1.0
K K3 1 0.25166100 0.99995200 0.93289500 1.0
K K4 1 0.75166100 0.99995200 0.56710500 1.0
K K5 1 0.25166100 0.50004800 0.43289500 1.0
K K6 1 0.24833900 0.49995200 0.93289500 1.0
K K7 1 0.74833900 0.00004800 0.06710500 1.0
K K8 1 0.35374800 0.25092200 0.30755100 1.0
K K9 1 0.85374800 0.24907800 0.69244900 1.0
K K10 1 0.64625200 0.75092200 0.19244900 1.0
K K11 1 0.14625200 0.74907800 0.80755100 1.0
K K12 1 0.64625200 0.74907800 0.69244900 1.0
K K13 1 0.14625200 0.75092200 0.30755100 1.0
K K14 1 0.35374800 0.24907800 0.80755100 1.0
K K15 1 0.85374800 0.25092200 0.19244900 1.0
Cr Cr16 1 0.74720000 0.00077200 0.31521200 1.0
Cr Cr17 1 0.24720000 0.49922800 0.68478800 1.0
Cr Cr18 1 0.25280000 0.50077200 0.18478800 1.0
Cr Cr19 1 0.75280000 0.99922800 0.81521200 1.0
Cr Cr20 1 0.25280000 0.99922800 0.68478800 1.0
Cr Cr21 1 0.75280000 0.50077200 0.31521200 1.0
Cr Cr22 1 0.74720000 0.49922800 0.81521200 1.0
Cr Cr23 1 0.24720000 0.00077200 0.18478800 1.0
Cr Cr24 1 0.81572500 0.25078300 0.44185500 1.0
Cr Cr25 1 0.31572600 0.24921700 0.55814500 1.0
Cr Cr26 1 0.18427500 0.75078300 0.05814500 1.0
Cr Cr27 1 0.68427500 0.74921700 0.94185500 1.0
Cr Cr28 1 0.18427500 0.74921700 0.55814500 1.0
Cr Cr29 1 0.68427500 0.75078300 0.44185500 1.0
Cr Cr30 1 0.81572500 0.24921700 0.94185500 1.0
Cr Cr31 1 0.31572600 0.25078300 0.05814500 1.0
N N32 1 0.11717300 0.25065600 0.47147300 1.0
N N33 1 0.61717300 0.24934400 0.52852700 1.0
N N34 1 0.88282700 0.75065600 0.02852700 1.0
N N35 1 0.38282700 0.74934400 0.97147300 1.0
N N36 1 0.88282700 0.74934400 0.52852700 1.0
N N37 1 0.38282700 0.75065600 0.47147300 1.0
N N38 1 0.11717300 0.24934400 0.97147300 1.0
N N39 1 0.61717300 0.25065600 0.02852700 1.0
N N40 1 0.75866500 0.37669200 0.38117000 1.0
N N41 1 0.25866500 0.12330800 0.61883000 1.0
N N42 1 0.24133500 0.87669200 0.11883000 1.0
N N43 1 0.74133500 0.62330800 0.88117000 1.0
N N44 1 0.24133500 0.62330800 0.61883000 1.0
N N45 1 0.74133500 0.87669200 0.38117000 1.0
N N46 1 0.75866500 0.12330800 0.88117000 1.0
N N47 1 0.25866500 0.37669200 0.11883000 1.0
N N48 1 0.76025400 0.12646100 0.37937100 1.0
N N49 1 0.26025400 0.37354000 0.62062900 1.0
N N50 1 0.23974600 0.62646000 0.12062900 1.0
N N51 1 0.73974600 0.87354000 0.87937100 1.0
N N52 1 0.23974600 0.87354000 0.62062900 1.0
N N53 1 0.73974600 0.62646000 0.37937100 1.0
N N54 1 0.76025400 0.37354000 0.87937100 1.0
N N55 1 0.26025400 0.12646100 0.12062900 1.0
N N56 1 0.50676800 0.50005100 0.24807700 1.0
N N57 1 0.00676800 0.99994900 0.75192300 1.0
N N58 1 0.49323200 0.00005100 0.25192300 1.0
N N59 1 0.99323200 0.49994900 0.74807700 1.0
N N60 1 0.49323200 0.49994900 0.75192300 1.0
N N61 1 0.99323200 0.00005100 0.24807700 1.0
N N62 1 0.50676800 0.99994900 0.74807700 1.0
N N63 1 0.00676800 0.50005100 0.25192300 1.0
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