空间群列表
正交晶系

| Simple (P) | Body (I) | Face (F) | Base (A or C) |
| --- | --- | --- | --- |

| 编号 | 點群 | Orbifold标注 | 简称 | 全称 | Schoenflies标注 | Fedorov标注 | Shubnikov标注 | Fibrifold标注（主） | Fibrifold标注（次） | 示例 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 16 | 222 |  222 | P222 | P 2 2 2 |  \Gamma _{o}D_{2}^{1} | 9s |  (c:a:b):2:2 |  (*2_{0}2_{0}2_{0}2_{0}) |  | 二氯(L-丙氨酸根)合铂(II)酸钾 |
| 17 | 222 |  222 | P2221 | P 2 2 21 |  \Gamma _{o}D_{2}^{2} | 4a |  (c:a:b):2_{1}:2 |  (*2_{1}2_{1}2_{1}2_{1}) |  (2_{0}2_{0}{*}) | 五甲基环戊二烯基四甲基铼 |
| 18 | 222 |  222 | P21212 | P 21 21 2 |  \Gamma _{o}D_{2}^{3} | 7a |  (c:a:b):2   2_{1} |  (2_{0}2_{0}{\bar {\times }}) |  (2_{1}2_{1}{*}) | 红霉素（II相） |
| 19 | 222 |  222 | P212121 | P 21 21 21 |  \Gamma _{o}D_{2}^{4} | 8a |  (c:a:b):2_{1}   2_{1} |  (2_{1}2_{1}{\bar {\times }}) |  | 可的松 |
| 20 | 222 |  222 | C2221 | C 2 2 21 |  \Gamma _{o}^{b}D_{2}^{5} | 5a |  \left({\tfrac {a+b}{2}}:c:a:b\right):2_{1}:2 |  (2_{1}{*}2_{1}2_{1}) |  (2_{0}2_{1}{*}) | 氯化重氮苯 |
| 21 | 222 |  222 | C222 | C 2 2 2 |  \Gamma _{o}^{b}D_{2}^{6} | 10s |  \left({\tfrac {a+b}{2}}:c:a:b\right):2:2 |  (2_{0}{*}2_{0}2_{0}) |  (*2_{0}2_{0}2_{1}2_{1}) | 叔丁基硫醇汞（維基數據所列：） |
| 22 | 222 |  222 | F222 | F 2 2 2 |  \Gamma _{o}^{f}D_{2}^{7} | 12s |  \left({\tfrac {a+c}{2}}/{\tfrac {b+c}{2}}/{\tfrac {a+b}{2}}:c:a:b\right):2:2 |  (*2_{0}2_{1}2_{0}2_{1}) |  | 1,2:7,8-二苯并咔唑（維基數據所列：） |
| 23 | 222 |  222 | I222 | I 2 2 2 |  \Gamma _{o}^{v}D_{2}^{8} | 11s |  \left({\tfrac {a+b+c}{2}}/c:a:b\right):2:2 |  (2_{1}{*}2_{0}2_{0}) |  | 二(十甲基二茂钛(III))氧化物 |
| 24 | 222 |  222 | I212121 | I 21 21 21 |  \Gamma _{o}^{v}D_{2}^{9} | 6a |  \left({\tfrac {a+b+c}{2}}/c:a:b\right):2:2_{1} |  (2_{0}{*}2_{1}2_{1}) |  | 四硫代钼酸二(氰化亚铜)二(四甲基铵) |
| 25 | mm2 |  *22 | Pmm2 | P m m 2 |  \Gamma _{o}C_{2v}^{1} | 13s |  (c:a:b):m\cdot 2 |  (*{\cdot }2{\cdot }2{\cdot }2{\cdot }2) |  [{*}_{0}{\cdot }{*}_{0}{\cdot }] | 三羟基六羰基合二铼(I)酸四乙基铵二水合物 |
| 26 | mm2 |  *22 | Pmc21 | P m c 21 |  \Gamma _{o}C_{2v}^{2} | 9a |  (c:a:b):{\tilde {c}}\cdot 2_{1} |  (*{\cdot }2{:}2{\cdot }2{:}2) |  ({\bar {*}}{\cdot }{\bar {*}}{\cdot }),  [{\times _{0}}{\times _{0}}] | 1,2-二氢苊 |
| 27 | mm2 |  *22 | Pcc2 | P c c 2 |  \Gamma _{o}C_{2v}^{3} | 5h |  (c:a:b):{\tilde {c}}\cdot 2 |  (*{:}2{:}2{:}2{:}2) |  ({\bar {*}}_{0}{\bar {*}}_{0}) | 5,5′′-二溴-2,2′:5′,2′′-三联噻吩 |
| 28 | mm2 |  *22 | Pma2 | P m a 2 |  \Gamma _{o}C_{2v}^{4} | 6h |  (c:a:b):{\tilde {a}}\cdot 2 |  (2_{0}2_{0}{*}{\cdot }) |  [{*}_{0}{:}{*}_{0}{:}],  (*{\cdot }{*}_{0}) | 四氯合铁(III)酸四甲基铵（維基數據所列：）（IV相） |
| 29 | mm2 |  *22 | Pca21 | P c a 21 |  \Gamma _{o}C_{2v}^{5} | 11a |  (c:a:b):{\tilde {a}}\cdot 2_{1} |  (2_{1}2_{1}{*}{:}) |  ({\bar {*}}{:}{\bar {*}}{:}) | 六甲基钨 3-氨基苯酚 |
| 30 | mm2 |  *22 | Pnc2 | P n c 2 |  \Gamma _{o}C_{2v}^{6} | 7h |  (c:a:b):{\tilde {c}}\odot 2 |  (2_{0}2_{0}{*}{:}) |  ({\bar {*}}_{1}{\bar {*}}_{1}),  ({*}_{0}{\times }_{0}) | 四苯硫酚四硫代四铁酸二(四丁基铵)（維基數據所列：）（I相，P2na） 4-(三甲基铵基)苯磺酸内盐（維基數據所列：）（α相，Pnc2） |
| 31 | mm2 |  *22 | Pmn21 | P m n 21 |  \Gamma _{o}C_{2v}^{7} | 10a |  (c:a:b):{\widetilde {ac}}\cdot 2_{1} |  (2_{1}2_{1}{*}{\cdot }) |  (*{\cdot }{\bar {\times }}),  [{\times }_{0}{\times }_{1}] | 苊（P21nm, 130 K） |
| 32 | mm2 |  *22 | Pba2 | P b a 2 |  \Gamma _{o}C_{2v}^{8} | 9h |  (c:a:b):{\tilde {a}}\odot 2 |  (2_{0}2_{0}{\times }_{0}) |  (*{:}{*}_{0}) | 苊（Pbam或Pba2, RT） |
| 33 | mm2 |  *22 | Pna21 | P n a 21 |  \Gamma _{o}C_{2v}^{9} | 12a |  (c:a:b):{\tilde {a}}\odot 2_{1} |  (2_{1}2_{1}{\times }) |  (*{:}{\times }),  ({\times }{\times }_{1}) | 乙酸 |
| 34 | mm2 |  *22 | Pnn2 | P n n 2 |  \Gamma _{o}C_{2v}^{10} | 8h |  (c:a:b):{\widetilde {ac}}\odot 2 |  (2_{0}2_{0}{\times }_{1}) |  (*_{0}{\times }_{1}) | 二硫代丙二酰胺（維基數據所列：）（P2nn） N-(5-氨基四唑基)甲酰胺（Pnn2） |
| 35 | mm2 |  *22 | Cmm2 | C m m 2 |  \Gamma _{o}^{b}C_{2v}^{11} | 14s |  \left({\tfrac {a+b}{2}}:c:a:b\right):m\cdot 2 |  (2_{0}{*}{\cdot }2{\cdot }2) |  [*_{0}{\cdot }{*}_{0}{:}] | 二钨酸铌钾 |
| 36 | mm2 |  *22 | Cmc21 | C m c 21 |  \Gamma _{o}^{b}C_{2v}^{12} | 13a |  \left({\tfrac {a+b}{2}}:c:a:b\right):{\tilde {c}}\cdot 2_{1} |  (2_{1}{*}{\cdot }2{:}2) |  ({\bar {*}}{\cdot }{\bar {*}}{:}),  [{\times }_{1}{\times }_{1}] | 二砷化镉二钙（維基數據所列：）（α相） |
| 37 | mm2 |  *22 | Ccc2 | C c c 2 |  \Gamma _{o}^{b}C_{2v}^{13} | 10h |  \left({\tfrac {a+b}{2}}:c:a:b\right):{\tilde {c}}\cdot 2 |  (2_{0}{*}{:}2{:}2) |  ({\bar {*}}_{0}{\bar {*}}_{1}) | 4,4'-二溴苯甲酮（維基數據所列：） |
| 38 | mm2 |  *22 | Amm2 | A m m 2 |  \Gamma _{o}^{b}C_{2v}^{14} | 15s |  \left({\tfrac {b+c}{2}}/c:a:b\right):m\cdot 2 |  (*{\cdot }2{\cdot }2{\cdot }2{:}2) |  [{*}_{1}{\cdot }{*}_{1}{\cdot }],  [*{\cdot }{\times }_{0}] | 二氰化(2,2'-联吡啶)合钯 |
| 39 | mm2 |  *22 | Aem2 | A b m 2 |  \Gamma _{o}^{b}C_{2v}^{15} | 11h |  \left({\tfrac {b+c}{2}}/c:a:b\right):m\cdot 2_{1} |  (*{\cdot }2{:}2{:}2{:}2) |  [{*}_{1}{:}{*}_{1}{:}],  ({\bar {*}}{\cdot }{\bar {*}}_{0}) | 2,5-二(4-溴亚苄基)环戊酮（Abm2） |
| 40 | mm2 |  *22 | Ama2 | A m a 2 |  \Gamma _{o}^{b}C_{2v}^{16} | 12h |  \left({\tfrac {b+c}{2}}/c:a:b\right):{\tilde {a}}\cdot 2 |  (2_{0}2_{1}{*}{\cdot }) |  (*{\cdot }{*}_{1}),  [*{:}{\times }_{1}] | 二(三氟化磷)二茂钛（維基數據所列：）（C2cm） 氯化二茂钒（維基數據所列：）（Ama2） |
| 41 | mm2 |  *22 | Aea2 | A b a 2 |  \Gamma _{o}^{b}C_{2v}^{17} | 13h |  \left({\tfrac {b+c}{2}}/c:a:b\right):{\tilde {a}}\cdot 2_{1} |  (2_{0}2_{1}{*}{:}) |  (*{:}{*}_{1}),  ({\bar {*}}{:}{\bar {*}}_{1}) | N,N'-二(3-吡啶基)脲（Aba2） |
| 42 | mm2 |  *22 | Fmm2 | F m m 2 |  \Gamma _{o}^{f}C_{2v}^{18} | 17s |  \left({\tfrac {a+c}{2}}/{\tfrac {b+c}{2}}/{\tfrac {a+b}{2}}:c:a:b\right):m\cdot 2 |  (*{\cdot }2{\cdot }2{:}2{:}2) |  [{*}_{1}{\cdot }{*}_{1}{:}] | 二(环戊二烯基)(μ-乙炔)二镍（維基數據所列：）（Fm2m） 二碘甲烷（Fmm2） |
| 43 | mm2 |  *22 | Fdd2 | F dd2 |  \Gamma _{o}^{f}C_{2v}^{19} | 16h |  \left({\tfrac {a+c}{2}}/{\tfrac {b+c}{2}}/{\tfrac {a+b}{2}}:c:a:b\right):{\tfrac {1}{2}}{\widetilde {ac}}\odot 2 |  (2_{0}2_{1}{\times }) |  ({*}_{1}{\times }) | 四氟化钯 |
| 44 | mm2 |  *22 | Imm2 | I m m 2 |  \Gamma _{o}^{v}C_{2v}^{20} | 16s |  \left({\tfrac {a+b+c}{2}}/c:a:b\right):m\cdot 2 |  (2_{1}{*}{\cdot }2{\cdot }2) |  [*{\cdot }{\times }_{1}] | 三碲化二茂二钼二(三羰基铁) |
| 45 | mm2 |  *22 | Iba2 | I b a 2 |  \Gamma _{o}^{v}C_{2v}^{21} | 15h |  \left({\tfrac {a+b+c}{2}}/c:a:b\right):{\tilde {c}}\cdot 2 |  (2_{1}{*}{:}2{:}2) |  ({\bar {*}}{:}{\bar {*}}_{0}) | 4-甲基苯硼酸 |
| 46 | mm2 |  *22 | Ima2 | I m a 2 |  \Gamma _{o}^{v}C_{2v}^{22} | 14h |  \left({\tfrac {a+b+c}{2}}/c:a:b\right):{\tilde {a}}\cdot 2 |  (2_{0}{*}{\cdot }2{:}2) |  ({\bar {*}}{\cdot }{\bar {*}}_{1}),  [*{:}{\times }_{0}] | 链式二溴化(乙二胺)合锌 |
| 47 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pmmm | P 2/m 2/m 2/m |  \Gamma _{o}D_{2h}^{1} | 18s |  \left(c:a:b\right)\cdot m:2\cdot m |  [*{\cdot }2{\cdot }2{\cdot }2{\cdot }2] |  | 四氰合镍(II)酸吡嗪合铁(II)二水合物 |
| 48 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pnnn | P 2/n 2/n 2/n |  \Gamma _{o}D_{2h}^{2} | 19h |  \left(c:a:b\right)\cdot {\widetilde {ab}}:2\odot {\widetilde {ac}} |  (2{\bar {*}}_{1}2_{0}2_{0} |  | 二(1,3-二均三甲苯基-4,5-二氢咪唑-2-亚基)铜(I)六氟磷酸盐 |
| 49 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pccm | P 2/c 2/c 2/m |  \Gamma _{o}D_{2h}^{3} | 17h |  \left(c:a:b\right)\cdot m:2\cdot {\tilde {c}} |  [*{:}2{:}2{:}2{:}2] |  (*2_{0}2_{0}2{\cdot }2) | 二氯化(N,N'-二羧甲基乙二胺)合铂 |
| 50 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pban | P 2/b 2/a 2/n |  \Gamma _{o}D_{2h}^{4} | 18h |  \left(c:a:b\right)\cdot {\widetilde {ab}}:2\odot {\tilde {a}} |  (2{\bar {*}}_{0}2_{0}2_{0}) |  (*2_{0}2_{0}2{:}2) | 二氯化(4,4'-联吡啶)合镉 |
| 51 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pmma | P 21/m 2/m 2/a |  \Gamma _{o}D_{2h}^{5} | 14a |  \left(c:a:b\right)\cdot {\tilde {a}}:2\cdot m |  [2_{0}2_{0}{*}{\cdot }] |  [*{\cdot }2{:}2{\cdot }2{:}2],  [*2{\cdot }2{\cdot }2{\cdot }2] | 异丁酸铥 |
| 52 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pnna | P 2/n 21/n 2/a |  \Gamma _{o}D_{2h}^{6} | 17a |  \left(c:a:b\right)\cdot {\tilde {a}}:2\odot {\widetilde {ac}} |  (2_{0}2{\bar {*}}_{1}) |  (2_{0}{*}2{:}2),  (2{\bar {*}}2_{1}2_{1}) | 四溴合铟(III)酸四丁基铵 |
| 53 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pmna | P 2/m 2/n 21/a |  \Gamma _{o}D_{2h}^{7} | 15a |  \left(c:a:b\right)\cdot {\tilde {a}}:2_{1}\cdot {\widetilde {ac}} |  [2_{0}2_{0}{*}{:}] |  (*2_{1}2_{1}2{\cdot }2),  (2_{0}{*}2{\cdot }2) | 3,5-二溴-4-氨基苯甲酸（維基數據所列：）（Pman） 4-羟基-3,5-二碘苯甲酸（Pmna） |
| 54 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pcca | P 21/c 2/c 2/a |  \Gamma _{o}D_{2h}^{8} | 16a |  \left(c:a:b\right)\cdot {\tilde {a}}:2\cdot {\tilde {c}} |  (2_{0}2{\bar {*}}_{0}) |  (*2{:}2{:}2{:}2),  (*2_{1}2_{1}2{:}2) | 三甲酸镉钠 |
| 55 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pbam | P 21/b 21/a 2/m |  \Gamma _{o}D_{2h}^{9} | 22a |  \left(c:a:b\right)\cdot m:2\odot {\tilde {a}} |  [2_{0}2_{0}{\times }_{0}] |  (*2{\cdot }2{:}2{\cdot }2) | 五羰基吡啶合铬 |
| 56 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pccn | P 21/c 21/c 2/n |  \Gamma _{o}D_{2h}^{10} | 27a |  \left(c:a:b\right)\cdot {\widetilde {ab}}:2\cdot {\tilde {c}} |  (2{\bar {*}}{:}2{:}2) |  (2_{1}2{\bar {*}}_{0}) | 苯胺氢溴酸盐（維基數據所列：）（高温相） |
| 57 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pbcm | P 2/b 21/c 21/m |  \Gamma _{o}D_{2h}^{11} | 23a |  \left(c:a:b\right)\cdot m:2_{1}\odot {\tilde {c}} |  (2_{0}2{\bar {*}}{\cdot }) |  (*2{:}2{\cdot }2{:}2),  [2_{1}2_{1}{*}{:}] | 二茂锡 |
| 58 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pnnm | P 21/n 21/n 2/m |  \Gamma _{o}D_{2h}^{12} | 25a |  \left(c:a:b\right)\cdot m:2\odot {\widetilde {ac}} |  [2_{0}2_{0}{\times }_{1}] |  (2_{1}{*}2{\cdot }2) | 苯硫酚钼(III)（Pnmn） 四甲基三碘化铵 （Pnnm） |
| 59 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pmmn | P 21/m 21/m 2/n |  \Gamma _{o}D_{2h}^{13} | 24a |  \left(c:a:b\right)\cdot {\widetilde {ab}}:2\cdot m |  (2{\bar {*}}{\cdot }2{\cdot }2) |  [2_{1}2_{1}{*}{\cdot }] | 邻苯二胺二氢碘酸盐（Pmnm） 二氟氧化二乙酸二硼（Pmmn） |
| 60 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pbcn | P 21/b 2/c 21/n |  \Gamma _{o}D_{2h}^{14} | 26a |  \left(c:a:b\right)\cdot {\widetilde {ab}}:2_{1}\odot {\tilde {c}} |  (2_{0}2{\bar {*}}{:}) |  (2_{1}{*}2{:}2),  (2_{1}2{\bar {*}}_{1}) | 四吡咯烷基二硼 |
| 61 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pbca | P 21/b 21/c 21/a |  \Gamma _{o}D_{2h}^{15} | 29a |  \left(c:a:b\right)\cdot {\tilde {a}}:2_{1}\odot {\tilde {c}} |  (2_{1}2{\bar {*}}{:}) |  | 乙酰丙酮铁 |
| 62 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Pnma | P 21/n 21/m 21/a |  \Gamma _{o}D_{2h}^{16} | 28a |  \left(c:a:b\right)\cdot {\tilde {a}}:2_{1}\odot m |  (2_{1}2{\bar {*}}{\cdot }) |  (2{\bar {*}}{\cdot }2{:}2),  [2_{1}2_{1}{\times }] | 六羰基钨 |
| 63 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Cmcm | C 2/m 2/c 21/m |  \Gamma _{o}^{b}D_{2h}^{17} | 18a |  \left({\tfrac {a+b}{2}}:c:a:b\right)\cdot m:2_{1}\cdot {\tilde {c}} |  [2_{0}2_{1}{*}{\cdot }] |  (*2{\cdot }2{\cdot }2{:}2),  [2_{1}{*}{\cdot }2{:}2] | 二氯化(2,2'-联吡啶)合铂 |
| 64 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Cmca | C 2/m 2/c 21/a |  \Gamma _{o}^{b}D_{2h}^{18} | 19a |  \left({\tfrac {a+b}{2}}:c:a:b\right)\cdot {\tilde {a}}:2_{1}\cdot {\tilde {c}} |  [2_{0}2_{1}{*}{:}] |  (*2{\cdot }2{:}2{:}2),  (*2_{1}2{\cdot }2{:}2) | 三氟甲基二氯化碘 |
| 65 |  {\tfrac {2}{m}}{\tfrac {2}{m}}{\tfrac {2}{m}} |  *222 | Cmmm | C 2/m 2/m 2/m |  \Gamma _{o}^{b}D_{2h}^{19} | 19s |  \left({\tfrac {a+b}{2}}:c:a:b\right)\cdot m:2\cdot m |  [2_{0}{*}{\cdot }2{\cdot }2] |  [*{\cdot }2{\cdot }2{\cdot }2{:}2] | 二氯化(4,4'-联吡啶)合汞 |