基础信息
化学式
Cr3GaS6
MP-ID
mp-1226433
元素数
3
位点数
40
密度
3.7445
g/cm³
体积
741.65
ų
晶胞参数 a
7.0416
Å
晶胞参数 b
7.0416
Å
晶胞参数 c
17.2714
Å
α 角
90.00
°
β 角
90.00
°
γ 角
120.00
°
空间群
P3m1
点群
3m
晶体系统
Trigonal
Bravais 格子
hP
稳定性
Yes
堆积分数
0.7405
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 |
|---|---|---|---|
| 5.12 | 17.2714 | 13.2 | (0,0,0,1) |
| 10.24 | 8.6357 | 3.5 | (0,0,0,2) |
| 14.53 | 6.0982 | 3.5 | (1,0,-1,0) |
| 14.53 | 6.0982 | 1.7 | (1,-1,0,0) |
| 15.39 | 5.7571 | 15.0 | (0,0,0,3) |
| 15.41 | 5.7503 | 34.5 | (1,0,-1,1) |
| 15.41 | 5.7503 | 15.1 | (1,-1,0,-1) |
| 15.41 | 5.7503 | 2.1 | (1,-1,0,1) |
| 17.81 | 4.9814 | 15.6 | (1,0,-1,-2) |
| 17.81 | 4.9814 | 3.3 | (1,0,-1,2) |
| 17.81 | 4.9814 | 7.8 | (1,-1,0,2) |
| 20.57 | 4.3178 | 1.1 | (0,0,0,4) |
| 21.22 | 4.1863 | 3.1 | (1,0,-1,-3) |
| 21.22 | 4.1863 | 3.1 | (1,0,-1,3) |
| 21.22 | 4.1863 | 1.6 | (1,-1,0,3) |
| 25.27 | 3.5239 | 1.5 | (1,0,-1,-4) |
| 25.27 | 3.5239 | 28.6 | (1,0,-1,4) |
| 25.30 | 3.5208 | 9.5 | (1,1,-2,0) |
| 25.30 | 3.5208 | 19.1 | (2,-1,-1,0) |
| 27.36 | 3.2603 | 1.2 | (1,1,-2,2) |
| 27.36 | 3.2602 | 1.2 | (2,-1,-1,2) |
| 29.72 | 3.0056 | 35.9 | (1,0,-1,-5) |
| 29.72 | 3.0056 | 17.8 | (1,-1,0,5) |
| 29.74 | 3.0036 | 36.5 | (1,1,-2,3) |
能量属性
形成能/原子
-0.99596
eV/atom
能量/原子
-6.67712
eV/atom
凸包距离
0.0000
eV/atom
未修正能量
-11.4527
eV/atom
体积/原子
18.54
ų
c/a 比
2.4528
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
35.5504
μB
磁有序
FM
磁性位点数
12
磁化强度/体积
0.047930
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
S · 0.600
元素家族
Metalloid-Nonmetal
溶质分数
0.400
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
0.8979
高熵判据(>1.0 视为高熵)
混合熵 ΔS
7.4655
J/mol·K
Ω 参数
0.6639
Ω > 1.1 利于固溶体形成
原子尺寸错配 δr
11.648%
δr < 6.6% 利于单相固溶
电负性差 Δχ
0.4343
越小混合越稳定
VEC
5.700
价电子浓度,影响相稳定性
混合焓 ΔH_mix
-10.316
kJ/mol 且负值为放热混合
熵归一化
0.8173
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-1226433
参考引用
The crystal structure and related material properties of Cr3GaS6 were obtained from the Materials Project database (MP-ID: mp-1226433, 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_Cr3GaS6
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 7.04158816
_cell_length_b 7.04158907
_cell_length_c 17.27135230
_cell_angle_alpha 89.99994762
_cell_angle_beta 90.00005302
_cell_angle_gamma 119.99990231
_symmetry_Int_Tables_number 1
_chemical_formula_structural Cr3GaS6
_chemical_formula_sum 'Cr12 Ga4 S24'
_cell_volume 741.64948582
_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
Cr Cr0 1 0.16931246 0.83068805 0.21031107 1.0
Cr Cr1 1 0.84272501 0.15727361 0.54033233 1.0
Cr Cr2 1 0.50452570 0.49547375 0.87007614 1.0
Cr Cr3 1 0.16931223 0.33862417 0.21031107 1.0
Cr Cr4 1 0.84272808 0.68545396 0.54033167 1.0
Cr Cr5 1 0.50452606 0.00905118 0.87007611 1.0
Cr Cr6 1 0.33333356 0.66666661 0.03986772 1.0
Cr Cr7 1 -0.00000005 0.00000010 0.38425932 1.0
Cr Cr8 1 0.66666682 0.33333324 0.71341634 1.0
Cr Cr9 1 0.66137578 0.83068761 0.21031104 1.0
Cr Cr10 1 0.31454498 0.15727259 0.54033120 1.0
Cr Cr11 1 0.99094863 0.49547447 0.87007632 1.0
Ga Ga12 1 0.00000069 -0.00000068 0.99942470 1.0
Ga Ga13 1 0.66666781 0.33333229 0.33772840 1.0
Ga Ga14 1 0.33333463 0.66666606 0.66247426 1.0
Ga Ga15 1 0.66666581 0.33333427 0.08190824 1.0
S S16 1 0.17800863 0.82199126 0.95536356 1.0
S S17 1 0.84462243 0.15537720 0.28913477 1.0
S S18 1 0.51172625 0.48827306 0.62218931 1.0
S S19 1 0.17800871 0.35601729 0.95536340 1.0
S S20 1 0.84462244 0.68924457 0.28913479 1.0
S S21 1 0.51172609 0.02345283 0.62218920 1.0
S S22 1 0.33333358 0.66666626 0.79891538 1.0
S S23 1 -0.00000002 0.00000001 0.13397548 1.0
S S24 1 0.66666668 0.33333291 0.46790635 1.0
S S25 1 0.64398262 0.82199142 0.95536339 1.0
S S26 1 0.31075558 0.15537814 0.28913481 1.0
S S27 1 0.97654742 0.48827455 0.62218926 1.0
S S28 1 0.82209070 0.17790975 0.79531080 1.0
S S29 1 0.48822622 0.51177416 0.12738097 1.0
S S30 1 0.15566689 0.84433382 0.46102654 1.0
S S31 1 0.82209029 0.64418086 0.79531048 1.0
S S32 1 0.48822635 0.97645221 0.12738085 1.0
S S33 1 0.15566518 0.31133249 0.46102648 1.0
S S34 1 0.66666690 0.33333306 0.95012449 1.0
S S35 1 0.33333348 0.66666662 0.28231671 1.0
S S36 1 -0.00000023 -0.00000033 0.61763618 1.0
S S37 1 0.35581905 0.17790914 0.79531039 1.0
S S38 1 0.02354787 0.51177346 0.12738082 1.0
S S39 1 0.68866769 0.84433397 0.46102664 1.0
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