基础信息
化学式
Hf3(CrGa2)2
MP-ID
mp-1204826
元素数
3
位点数
72
密度
10.2606
g/cm³
体积
1,188.98
ų
晶胞参数 a
5.2585
Å
晶胞参数 b
13.5319
Å
晶胞参数 c
16.7092
Å
α 角
90.00
°
β 角
90.00
°
γ 角
90.00
°
空间群
Pnma
点群
mmm
晶体系统
Orthorhombic
Bravais 格子
oP
稳定性
No
堆积分数
-
能量属性
形成能/原子
-0.40437
eV/atom
能量/原子
-23.89015
eV/atom
凸包距离
0.0366
eV/atom
未修正能量
-7.1612
eV/atom
体积/原子
16.51
ų
c/a 比
3.1776
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
0.0058
μB
磁有序
NM
磁性位点数
0
磁化强度/体积
0.000000
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
Ga · 0.444
元素家族
PostTransition-Noble
溶质分数
0.556
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
1.0609
高熵判据(>1.0 视为高熵)
混合熵 ΔS
8.8200
J/mol·K
Ω 参数
1.1672
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
8.981%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.2244
越小混合越稳定
VEC
4.000
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-10.990
kJ/mol 且负值为放热混合
熵归一化
0.9656
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-1204826
参考引用
The crystal structure and related material properties of Hf3(CrGa2)2 were obtained from the Materials Project database (MP-ID: mp-1204826, 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
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样式: Ball & Stick
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原始 CIF 数据
# generated using pymatgen
data_Hf3(CrGa2)2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 5.25848800
_cell_length_b 13.53194200
_cell_length_c 16.70917900
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural Hf3(CrGa2)2
_chemical_formula_sum 'Hf24 Cr16 Ga32'
_cell_volume 1188.98431741
_cell_formula_units_Z 8
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
Hf Hf0 1 0.25000000 0.35682000 0.46227900 1.0
Hf Hf1 1 0.25000000 0.14318000 0.96227900 1.0
Hf Hf2 1 0.75000000 0.64318000 0.53772100 1.0
Hf Hf3 1 0.75000000 0.85682000 0.03772100 1.0
Hf Hf4 1 0.25000000 0.96873100 0.43506200 1.0
Hf Hf5 1 0.25000000 0.53126900 0.93506200 1.0
Hf Hf6 1 0.75000000 0.03126900 0.56493800 1.0
Hf Hf7 1 0.75000000 0.46873100 0.06493800 1.0
Hf Hf8 1 0.25000000 0.73346700 0.44214400 1.0
Hf Hf9 1 0.25000000 0.76653300 0.94214400 1.0
Hf Hf10 1 0.75000000 0.26653300 0.55785600 1.0
Hf Hf11 1 0.75000000 0.23346700 0.05785600 1.0
Hf Hf12 1 0.25000000 0.97536000 0.67348300 1.0
Hf Hf13 1 0.25000000 0.52464000 0.17348300 1.0
Hf Hf14 1 0.75000000 0.02464000 0.32651700 1.0
Hf Hf15 1 0.75000000 0.47536000 0.82651700 1.0
Hf Hf16 1 0.25000000 0.81974900 0.15387800 1.0
Hf Hf17 1 0.25000000 0.68025100 0.65387800 1.0
Hf Hf18 1 0.75000000 0.18025100 0.84612200 1.0
Hf Hf19 1 0.75000000 0.31974900 0.34612200 1.0
Hf Hf20 1 0.25000000 0.18727900 0.28601300 1.0
Hf Hf21 1 0.25000000 0.31272100 0.78601300 1.0
Hf Hf22 1 0.75000000 0.81272100 0.71398700 1.0
Hf Hf23 1 0.75000000 0.68727900 0.21398700 1.0
Cr Cr24 1 0.01510100 0.96091600 0.87258900 1.0
Cr Cr25 1 0.48489900 0.53908400 0.37258900 1.0
Cr Cr26 1 0.51510100 0.03908400 0.12741100 1.0
Cr Cr27 1 0.98489900 0.46091600 0.62741100 1.0
Cr Cr28 1 0.98489900 0.03908400 0.12741100 1.0
Cr Cr29 1 0.51510100 0.46091600 0.62741100 1.0
Cr Cr30 1 0.48489900 0.96091600 0.87258900 1.0
Cr Cr31 1 0.01510100 0.53908400 0.37258900 1.0
Cr Cr32 1 0.02406700 0.83593900 0.31494900 1.0
Cr Cr33 1 0.47593300 0.66406100 0.81494900 1.0
Cr Cr34 1 0.52406700 0.16406100 0.68505100 1.0
Cr Cr35 1 0.97593300 0.33593900 0.18505100 1.0
Cr Cr36 1 0.97593300 0.16406100 0.68505100 1.0
Cr Cr37 1 0.52406700 0.33593900 0.18505100 1.0
Cr Cr38 1 0.47593300 0.83593900 0.31494900 1.0
Cr Cr39 1 0.02406700 0.66406100 0.81494900 1.0
Ga Ga40 1 0.25000000 0.12593100 0.56058000 1.0
Ga Ga41 1 0.25000000 0.37406900 0.06058000 1.0
Ga Ga42 1 0.75000000 0.87406900 0.43942000 1.0
Ga Ga43 1 0.75000000 0.62593100 0.93942000 1.0
Ga Ga44 1 0.25000000 0.94856300 0.01688200 1.0
Ga Ga45 1 0.25000000 0.55143700 0.51688200 1.0
Ga Ga46 1 0.75000000 0.05143700 0.98311800 1.0
Ga Ga47 1 0.75000000 0.44856300 0.48311800 1.0
Ga Ga48 1 0.25000000 0.10619800 0.80272500 1.0
Ga Ga49 1 0.25000000 0.39380200 0.30272500 1.0
Ga Ga50 1 0.75000000 0.89380200 0.19727500 1.0
Ga Ga51 1 0.75000000 0.60619800 0.69727500 1.0
Ga Ga52 1 0.25000000 0.19590400 0.12217700 1.0
Ga Ga53 1 0.25000000 0.30409600 0.62217700 1.0
Ga Ga54 1 0.75000000 0.80409600 0.87782300 1.0
Ga Ga55 1 0.75000000 0.69590400 0.37782300 1.0
Ga Ga56 1 0.25000000 0.82652800 0.78401800 1.0
Ga Ga57 1 0.25000000 0.67347200 0.28401800 1.0
Ga Ga58 1 0.75000000 0.17347200 0.21598200 1.0
Ga Ga59 1 0.75000000 0.32652800 0.71598200 1.0
Ga Ga60 1 0.25000000 0.98645300 0.25626000 1.0
Ga Ga61 1 0.25000000 0.51354700 0.75626000 1.0
Ga Ga62 1 0.75000000 0.01354700 0.74374000 1.0
Ga Ga63 1 0.75000000 0.48645300 0.24374000 1.0
Ga Ga64 1 0.99437700 0.16033700 0.43098900 1.0
Ga Ga65 1 0.50562300 0.33966300 0.93098900 1.0
Ga Ga66 1 0.49437700 0.83966300 0.56901100 1.0
Ga Ga67 1 0.00562300 0.66033700 0.06901100 1.0
Ga Ga68 1 0.00562300 0.83966300 0.56901100 1.0
Ga Ga69 1 0.49437700 0.66033700 0.06901100 1.0
Ga Ga70 1 0.50562300 0.16033700 0.43098900 1.0
Ga Ga71 1 0.99437700 0.33966300 0.93098900 1.0
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