晶系(Crystal system) | 点 (Point group) | 空间(Space group) | |||||||||
国际符号(HM) | 圣佛利斯符号(Schfl.) | ||||||||||
三斜 晶系 | 1 | C1 | P1 | ||||||||
Ci | P | ||||||||||
单斜 晶系 | 2 | P2 | P21 | C2 | |||||||
m | Pm | Pc | Cm | Cc | |||||||
2/m | P2/m | P21/m | C2/m | P2/c | P21/C | C2/c | |||||
晶系 | 222 | P222 | P2221 | P21212 | P212121 | C2221 | C222 | F222 | I222 | I212121 | |
mm2 | Pmm2 | Pmc21 | Pcc2 | Pma2 | Pca21 | Pnc2 | Pmn21 | Pba2 | Pna21 | ||
Pnn2 | Cmm2 | Cmc21 | Ccc2 | Amm2 | Abm2 | Ama2 | Aba2 | Fmm2 | |||
Fdd2 | Imm2 | Iba2 | Ima2 | ||||||||
mmm | Pmmm | Pnnn | Pccm | Pban | Pmma | Pnna | Pmna | Pcca | Pbam | ||
Pccn | Pbcm | Pnnm | Pmmn | Pbcn | Pbca | Pnma | Cmcm | Cmca | |||
Cmmm | Cccm | Cmma | Ccca | Fmmm | Fddd | Immm | Ibam | Ibca | |||
Imma | |||||||||||
四方 晶系 | 4 | P4 | P41 | P42 | P43 | I4 | I41 | ||||
P | I | ||||||||||
4/m | P4/m | P42/m | P4/n | P42/n | I4/m | I41/a | |||||
422 | P422 | P4212 | P4122 | P41212 | P4222 | P42212 | P4322 | P43212 | I422 | ||
I4122 | |||||||||||
4mm | P4mm | P4bm | P42cm | P42nm | P4cc | P4nc | P42mc | P42bc | I4mm | ||
I4cm | I41md | I41cd | |||||||||
2m | P 2m | P2c | P 21m | P21c | P m2 | P c2 | P b2 | Pn2 | I m2 | ||
Ic2 | I 2m | I 2d | |||||||||
4/mmm | P4/mmm | P4/mcc | P4/nbm | P4/nnc | P4/mbm | P4/mnc | P4/nmm | P4/ncc | P42/mmc | ||
P42/mcm | P42/nbc | P42/nnm | P42/mbc | P42/mnm | P42/nmc | P42/ncm | I4/mmm | I4/mcm | |||
I41/amd | I41/acd | ||||||||||
三方 晶系 | 3 | P3 | P31 | P32 | R3 | ||||||
P | R | ||||||||||
32 | P312 | P321 | P3112 | P3121 | P3212 | P3221 | R32 | ||||
3m | P3m1 | P31m | P3c1 | P31c | R3m | R3c | |||||
m | P1m | P 1c | Pm1 | Pc1 | R m | R c | |||||
六方 晶系 | 6 | P6 | P61 | P65 | P62 | P64 | P63 | ||||
P | |||||||||||
6/m | P6/m | P63/m | |||||||||
622 | P622 | P6122 | P6522 | P6222 | P6422 | P6322 | |||||
6mm | P6mm | P6cc | P63cm | P63mc | |||||||
m2 | P m2 | P c2 | P 2m | P 2c | |||||||
6/mmm | P6/mmm | P6/mcc | P63/mcm | P63/mmc | |||||||
立方 晶系 | 23 | P23 | F23 | I23 | P213 | I213 | |||||
m | Pm3 | Pn3 | Fm3 | Fd3 | Im3 | Pa3 | Ia3 | ||||
432 | P432 | P4232 | F432 | F4132 | I432 | P4332 | P4132 | I4132 | |||
3m | P 3m | F 3m | I3m | P3n | F 3c | I 3d | |||||
m m | Pm m | Pn n | Pmn | Pn m | Fm m | Fm c | Fd m | Fd c | Imm | ||
Ia d | |||||||||||
三斜 | 简单立方 | 体心立方 | 面心立方 |
三斜晶系 | 立方晶系 | ||
简单单斜 | 底心单斜 | 简单四方 | 体心四方 |
单斜晶系 | 四方晶系 | ||
简单正交 | 底心正交 | 交体正交 | 面心正交 |
正交晶系 | |||
六方 | 三方 | ||
六方晶系 | 三方晶系 | ||
序号(No.) | 晶系(Crystal system) | 点(Point group) | 轴向对称要素的方向和数目(Orientation and number of axial symmetry factor) | 劳埃(Laue group) | |||
国际符号(HM) | 圣佛利斯符号(Schfl。) | ||||||
1 | 三斜晶系 | 1 | C1 | ||||
Ci | |||||||
2 | 单斜晶系 | 2 | C2 | 2/m | |||
m | C3 | ||||||
2/m | C2h | ||||||
3 | 正交晶系 | 222 | D2 | mmm | |||
mm2 | D2v | ||||||
mmm | D2h | ||||||
4 | 四方晶系 | c | a | [110] | |||
4 | C4 | 4 | 4/m | ||||
S4 | |||||||
4/m | C4h | ||||||
422 | D4 | 4 | 2(2) | 2(2) | 4/mmm | ||
4mm | C4v | 4 | m(2) | m(2) | |||
2m | D2d | 2(2) | m(2) | ||||
4/mmm | D4h | ||||||
5 | 三方晶系 | c | a | ||||
3 | C3 | 3 | |||||
C3i | |||||||
32 | D3 | 3 | 2(2) | m | |||
3m | C3v | 3 | m(3) | ||||
m | D3d | ||||||
6 | 六方晶系 | c | a | [210] | |||
6 | C6 | 6 | 6/m | ||||
C3h | |||||||
6/m | C6h | ||||||
622 | D6 | 6 | 2(3) | 2(3) | 6/mmm | ||
6mm | C6v | 6 | m(3) | m(3) | |||
m2 | D3h | m(3) | 2(3) | ||||
6/mmm | D6h | ||||||
7 | 立方晶系 | c | [111] | [110] | |||
23 | T | 2(3) | 3(4) | m | |||
m | Th | (4) | |||||
432 | O | 4(3) | 3(4) | 2(6) | m m | ||
3m | Td | 3(3) | 3(4) | m(6) | |||
m m | Oh | (4) | |||||
正多面体名称 (Name of regular polyhedron) | 正四面体(Regular tetrahedron) | 正六面体(Regular hexahedron) | 正八面体(Regular octahedron) | 正十二面体 (Regular dodecahedron) | 正二十面体 (Regular icosahedron) |
图形符号 | T | O | O | I | I |
面形 | 正三角形 | 正方形 | 正三角形 | 正五边形 | 正三角形 |
正三面角 | 正三面角 | 直三面角 | 正四面角 | 正三面角 | 正五面角 |
面数ƒ | 4 | 6 | 8 | 12 | 20 |
棱数k | 6 | 12 | 12 | 30 | 30 |
顶点数e | 4 | 8 | 6 | 20 | 12 |
顶点到中心距离d | 0.5443a | 0。8660a | 0.7071a | 1.4103a | 0。95105a |
棱长a (顶点到中心距离d) | 1.8472 | 1.1547 | 1。4142 | 0.7091 | 1.0515 |
表面积S多面体 | 1。7321a2 | 6a2 | 3.4641a2 | 20。6458a2 | 8.6603a2 |
体积V多面体 | 0.1179a3 | a3 | 0.4714a3 | 7。6631a3 | 2.1817a3 |
外接球表面积S外接球 | 3.7229a2 | 9.4242a2 | 6.2831a2 | 24。9938a2 | 11.3662a2 |
外接球体积V外接球 | 1。2410a3 | 2。7205a3 | 1。4809a3 | 11。7496a3 | 3。6033a3 |
中心原子半径r | 0。0443a | 0.3660a | 0.2071a | 0。9103a | 0.45105a |
配位原子半径R | 0.5a | 0。5a | 0.5a | 0.5a | 0。5a |
r/R | 0。0886 | 0。7320 | 0.4142 | 1.8206 | 0。9021 |
R/r | 11。2867 | 1.3661 | 2.4142 | 0.5493 | 1.1085 |
点符号 | m3m | m3m | |||
对称要素 | |||||
相邻对称轴之间的夹角 | ∧ = 90° | ∧ = 90° | ∧ = 90° | ∧ = 63。43° | ∧ = 63.43° |
∧ = 70。53° | ∧ = 70。53° | ∧ = 70。53° | ∧ = 41.81° | ∧ = 41.81° | |
∧ = 19.47° | ∧ = 28。97° | ∧ = 28.97° | ∧ = 36° | ∧ = 36° | |
- | ∧ = 19.47° | ∧ = 19.47° | ∧ = 37.38° | ∧ = 37。38° | |
— | ∧ = 45° | ∧ = 45° | ∧ = 31.72° | ∧ = 31。72° | |
- | ∧ = 34.88° | ∧ = 34。88° | ∧ = 20。90° | ∧ = 20.90° | |
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