List of Space Groups


Here is a list of the 230 3-dimensional space groups, organized by crystal system.

Each space group is labeled according to its number, abbreviated Hermann–Mauguin notation (international symbol) and full H-M notation, as well as the space group’s parent point group, Bravais lattice, crystal family, and crystal system.

Triclinic Space Groups

Space Group (Number)ShortName of a Space GroupPoint Group
(H-M HermannMauguin Notation)
Crystal SystemCrystal FamilyBravais Lattice
1P11TriclinicTriclinicTriclinic
2P\bar{1}\bar{1}TriclinicTriclinicTriclinic

Monoclinic Space Groups

Space Group
(Number)
ShortName of a Space GroupPoint Group
(Hermann-Mauguin Notation)
Crystal
System
Crystal
Family
Bravais
Lattice
3P22MonoclinicMonoclinicSimple Monoclinic
4P2_12MonoclinicMonoclinicSimple Monoclinic
5C22MonoclinicMonoclinicBase-Centered Monoclinic
6PmmMonoclinicMonoclinicSimple Monoclinic
7PcmMonoclinicMonoclinicSimple Monoclinic
8CmmMonoclinicMonoclinicBase-Centered Monoclinic
9CcmMonoclinicMonoclinicBase-Centered Monoclinic
10P2/m2/mMonoclinicMonoclinicSimple Monoclinic
11P2_{1}/m2/mMonoclinicMonoclinicSimple Monoclinic
12C2/m2/mMonoclinicMonoclinicBase-Centered Monoclinic
13P2/c2/mMonoclinicMonoclinicSimple Monoclinic
14P2_{1}/c2/mMonoclinicMonoclinicSimple Monoclinic
15C2/c2/mMonoclinicMonoclinicBase-Centered Monoclinic

Orthorhombic Space Groups

 Space Group
(Number)
 ShortName of a Space GroupPoint Group
(H-M HermannMauguin Notation)
 Crystal
System
 Crystal
Family
Bravais
Lattice 
 16 P222 222Orthorhombic Orthorhombic  Simple Orthorhombic
 17P222_{1}  222 OrthorhombicOrthorhombic  Simple Orthorhombic
 18P2_{1}2_{1}2  222 OrthorhombicOrthorhombic  Simple Orthorhombic
 19P2_{1}2_{1}2_{1}222  OrthorhombicOrthorhombic  Simple Orthorhombic
 20C222_{1} 222 Orthorhombic Orthorhombic Base-Centered Orthorhombic
 21 C222222  OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 22 F222222  Orthorhombic Orthorhombic Face-Centered Orthorhombic
 23 I222222  OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 24I2_{1}2_{1}2_{1} 222 OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 25Pmm2  mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 26Pmc2_{1}mm2  OrthorhombicOrthorhombic  Simple Orthorhombic
 27Pcc2 mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 28Pma2 mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 29Pca2_{1}  mm2 OrthorhombicOrthorhombic Simple Orthorhombic 
 30Pnc2 mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 31Pmn2_{1} mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 32Pba2 mm2 OrthorhombicOrthorhombic  Simple Orthorhombic
 33Pna2_{1}mm2  OrthorhombicOrthorhombic  Simple Orthorhombic
 34Pnn2 mm2 OrthorhombicOrthorhombic Simple Orthorhombic 
 35Cmm2 mm2 OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 36Cmc2_{1} mm2 Orthorhombic Orthorhombic Base-Centered Orthorhombic
 37Ccc2 mm2 OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 38Amm2 mm2 OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 39Aem2mm2  OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 40Ama2  mm2 OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 41Aea2 mm2  OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 42Fmm2 mm2 OrthorhombicOrthorhombic Face-Centered Orthorhombic 
 43Fdd2 mm2  OrthorhombicOrthorhombic  Face-Centered Orthorhombic
 44Imm2  mm2 OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 45Iba2 mm2  OrthorhombicOrthorhombic Body-Centered Orthorhombic 
 46Ima2 mm2 OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 47 Pmmm \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 48Pnnn\frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Simple Orthorhombic
 49Pccm  \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 50Pban \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 51Pmma  \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 52Pnna \frac{2}{m}\frac{2}{m}\frac{2}{m} Orthorhombic Orthorhombic Simple Orthorhombic
 53Pmna \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 54Pcca \frac{2}{m}\frac{2}{m}\frac{2}{m} Orthorhombic Orthorhombic Simple Orthorhombic
 55Pbam  \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 56Pccn\frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic Simple Orthorhombic 
 57Pbcm \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic Simple Orthorhombic 
 58Pnnm \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 59Pmmn \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 60Pbcn  \frac{2}{m}\frac{2}{m}\frac{2}{m} Orthorhombic Orthorhombic Simple Orthorhombic
 61Pbca  \frac{2}{m}\frac{2}{m}\frac{2}{m} Orthorhombic Orthorhombic Simple Orthorhombic
 62 Pnma \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Simple Orthorhombic
 63 Cmcm \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 64Cmca  \frac{2}{m}\frac{2}{m}\frac{2}{m} Orthorhombic Orthorhombic Base-Centered Orthorhombic
 65 Cmmm\frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 66 Cccm\frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 67 Cmme \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 68 Ccce \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Base-Centered Orthorhombic
 69 Fmmm\frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Face-Centered Orthorhombic
 70Fddd \frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Face-Centered Orthorhombic
 71Immm \frac{2}{m}\frac{2}{m}\frac{2}{m}  OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 72 Ibam \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Body-Centered Orthorhombic
 73Ibca  \frac{2}{m}\frac{2}{m}\frac{2}{m} OrthorhombicOrthorhombic  Body-Centered Orthorhombic
74Imma\frac{2}{m}\frac{2}{m}\frac{2}{m}OrthorhombicOrthorhombicBody-Centered Orthorhombic

Tetragonal Space Groups

 Space Group
(Number)
ShortName of a Space GroupPoint Group
(H-M HermannMauguin Notation)
Crystal
System
 Crystal
Family
Bravais
Lattice
 75 P44TetragonalTetragonalSimple Tetragonal
 76 P4_{1}4 TetragonalTetragonal Simple Tetragonal
 77 P4_{2}4TetragonalTetragonal Simple Tetragonal 
 78 P4_{3}4 TetragonalTetragonalSimple Tetragonal 
 79 I44 Tetragonal Tetragonal  Body-Centered Tetragonal
 80 I4_{1}4Tetragonal Tetragonal Body-Centered Tetragonal 
 81 P\bar{4}\bar{4} TetragonalTetragonal Simple Tetragonal
 82 I\bar{4}\bar{4} TetragonalTetragonal Body-Centered Tetragonal
 83 P4/m 4/mTetragonalTetragonal Simple Tetragonal
 84 P4_{2}/m4/m TetragonalTetragonal Simple Tetragonal
 85P4/n  4/m TetragonalTetragonal Simple Tetragonal
 86 P4_{2}/n 4/m TetragonalTetragonal Simple Tetragonal 
 87 I4/m4/m Tetragonal Tetragonal  Body-Centered Tetragonal
 88 I4_{1}/a 4/mTetragonal  Tetragonal Body-Centered Tetragonal
 89 P422 422Tetragonal Tetragonal Simple Tetragonal
 90 P42_{1}2 422Tetragonal Tetragonal Simple Tetragonal
 91 P4_{1}22 422TetragonalTetragonal Simple Tetragonal 
 92 P4_{1}2_{1}2 422TetragonalTetragonalSimple Tetragonal 
 93 P4_{2}22 422Tetragonal Tetragonal Simple Tetragonal
 94 P4_{2}2_{1}2 422TetragonalTetragonal Simple Tetragonal 
 95 P4_{3}22 422TetragonalTetragonal Simple Tetragonal
 96P4_{3}2_{1}2  422Tetragonal Tetragonal Simple Tetragonal 
 97 I422 422Tetragonal Tetragonal  Body-Centered Tetragonal
 98I4_{1}22422 Tetragonal Tetragonal  Body-Centered Tetragonal
 99 P4mm 4mmTetragonalTetragonal Simple Tetragonal
 100 P4bm 4mmTetragonal Tetragonal Simple Tetragonal
 101 P4_{2}cm 4mmTetragonal Tetragonal Simple Tetragonal 
 102 P4_{2}nm 4mmTetragonal TetragonalSimple Tetragonal 
 103 P4cc 4mmTetragonal Tetragonal Simple Tetragonal 
 104P4nc  4mmTetragonal Tetragonal Simple Tetragonal
 105 P4_{2}mc 4mmTetragonalTetragonal Simple Tetragonal 
 106P4_{2}bc  4mmTetragonal Tetragonal Simple Tetragonal 
 107I4mm  4mmTetragonalTetragonal  Body-Centered Tetragonal
 108I4cm 4mm Tetragonal Tetragonal Body-Centered Tetragonal 
 109 I4_{1}md 4mmTetragonal Tetragonal  Body-Centered Tetragonal
 110I4_{1}cd  4mmTetragonal Tetragonal  Body-Centered Tetragonal
 111 P\bar{4}2m \bar{4}2mTetragonal Tetragonal Simple Tetragonal
 112P\bar{4}2c  \bar{4}2mTetragonal TetragonalSimple Tetragonal
 113 P\bar{4}2_{1}m \bar{4}2mTetragonal Tetragonal Simple Tetragonal 
 114 P\bar{4}2_{1}c \bar{4}2mTetragonal  TetragonalSimple Tetragonal
 115 P\bar{4}m2\bar{4}2m Tetragonal  TetragonalSimple Tetragonal
 116 P\bar{4}c2 \bar{4}2mTetragonal  TetragonalSimple Tetragonal
 117 P\bar{4}b2\bar{4}2m TetragonalTetragonal Simple Tetragonal
 118 P\bar{4}n2\bar{4}2m Tetragonal Tetragonal Simple Tetragonal
 119 I\bar{4}m2 \bar{4}2mTetragonal Tetragonal  Body-Centered Tetragonal
 120I\bar{4}c2  \bar{4}2mTetragonalTetragonal Body-Centered Tetragonal 
 121 I\bar{4}2m\bar{4}2m TetragonalTetragonal  Body-Centered Tetragonal
 122I\bar{4}2d  \bar{4}2mTetragonal Tetragonal  Body-Centered Tetragonal
 123 P4/mmm 4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal
 124 P4/mcc4/m \ 2/m \ 2/mTetragonalTetragonalSimple Tetragonal 
 125 P4/nbm4/m \ 2/m \ 2/mTetragonal TetragonalSimple Tetragonal
 126 P4/nnc 4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal 
 127P4/mbm 4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal 
 128P4/mnc  4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal
 129P4/nmm  4/m \ 2/m \ 2/mTetragonal TetragonalSimple Tetragonal 
 130 P4/ncc 4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal 
 131 P4_{2}/mmc4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal 
 132 P4_{2}/mcm4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal
 133P4_{2}/nbc  4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal
 134 P4_{2}/nnm4/m \ 2/m \ 2/mTetragonalTetragonal Simple Tetragonal
 135 P4_{2}/mbc4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal 
 136P4_{2}/mnm 4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal
 137P4_{2}/nmc 4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal 
 138 P4_{2}/ncm4/m \ 2/m \ 2/mTetragonal Tetragonal Simple Tetragonal 
 139 I4/mmm4/m \ 2/m \ 2/mTetragonal Tetragonal Body-Centered Tetragonal 
 140 I4/mcm4/m \ 2/m \ 2/mTetragonalTetragonal  Body-Centered Tetragonal
 141 I4_{1}/amd4/m \ 2/m \ 2/mTetragonal Tetragonal  Body-Centered Tetragonal
 142 I4_{1}/acd4/m \ 2/m \ 2/mTetragonalTetragonal  Body-Centered Tetragonal

Trigonal Space Groups

 Space Group
(Number)
ShortName of a Space GroupPoint Group
(H-M HermannMauguin Notation)
Crystal
System
 Crystal
Family
 Bravais
Lattice
 143 P33  Trigonal HexagonalHexagonal 
 144 P3_{1}3 Trigonal Hexagonal Hexagonal
 145 P3_{2}3 Trigonal Hexagonal Hexagonal
 146R3 3  Trigonal Hexagonal Rhombohedral
 147P\bar{3}  \bar{3} Trigonal Hexagonal Hexagonal
 148R\bar{3}  \bar{3} Trigonal HexagonalRhombohedral 
 149 P312 32 Trigonal Hexagonal Hexagonal
 150 P321 32 Trigonal Hexagonal Hexagonal
 151 P3_{1}12 32 Trigonal Hexagonal Hexagonal
 152 P3_{1}21 32 Trigonal Hexagonal Hexagonal
 153P3_{2}12  32 Trigonal Hexagonal Hexagonal
 154 P3_{2}21 32 Trigonal Hexagonal Hexagonal
 155R32  32 Trigonal Hexagonal Rhombohedral
 156 P3m1 3m Trigonal Hexagonal Hexagonal
 157P31m  3m Trigonal Hexagonal Hexagonal
 158P3c1  3m Trigonal Hexagonal Hexagonal
 159 P31c3m  Trigonal Hexagonal Hexagonal
 160R3m  3m Trigonal Hexagonal Rhombohedral
 161R3c  3m Trigonal Hexagonal Rhombohedral
 162P\bar{3}1m  \bar{3}2/m Trigonal Hexagonal Hexagonal
 163 P\bar{3}1c\bar{3}2/m  Trigonal Hexagonal Hexagonal
 164P\bar{3}m1  \bar{3}2/m Trigonal Hexagonal Hexagonal
 165P\bar{3}c1  \bar{3}2/m Trigonal Hexagonal Hexagonal
 166R\bar{3}m  \bar{3}2/m Trigonal Hexagonal Rhombohedral
 167 R\bar{3}c \bar{3}2/m Trigonal Hexagonal Rhombohedral

Hexagonal Space Groups

  Space Group
(Number)
 ShortName of a Space GroupPoint Group
(H-M HermannMauguin Notation)
 Crystal
System
 Crystal
Family
 Bravais
Lattice
 168 P6 6 Hexagonal Hexagonal  Hexagonal 
 169 P6_{1} 6  Hexagonal  Hexagonal  Hexagonal
 170 P6_{5} 6  Hexagonal  Hexagonal  Hexagonal
 171 P6_{2} 6  Hexagonal  Hexagonal  Hexagonal
 172P6_{4}  6  Hexagonal  Hexagonal  Hexagonal
 173 P6_{3}6   Hexagonal  Hexagonal  Hexagonal
 174 P\bar{6} \bar{6}  Hexagonal  Hexagonal  Hexagonal
 175P6/m  6/m  Hexagonal  Hexagonal  Hexagonal
 176P6_{3}/m  6/m  Hexagonal  Hexagonal  Hexagonal
 177P622  622  Hexagonal  Hexagonal  Hexagonal
 178P6_{1}22  622  Hexagonal  Hexagonal  Hexagonal
 179P6_{5}22  622  Hexagonal  Hexagonal  Hexagonal
 180 P6_{2}22 622  Hexagonal  Hexagonal  Hexagonal
 181P6_{4}22  622  Hexagonal  Hexagonal  Hexagonal
 182 P6_{3}22 622  Hexagonal  Hexagonal  Hexagonal
 183P6mm  6mm  Hexagonal  Hexagonal  Hexagonal
 184P6cc  6mm  Hexagonal  Hexagonal  Hexagonal
 185 P6_{3}cm 6mm  Hexagonal  Hexagonal  Hexagonal
 186 P\bar{6}_{3}mc 6mm  Hexagonal  Hexagonal  Hexagonal
 187P\bar{6}m2  \bar{6}m2  Hexagonal  Hexagonal  Hexagonal
 188 P\bar{6}c2 \bar{6}m2  Hexagonal  Hexagonal  Hexagonal
 189P\bar{6}2m  \bar{6}m2  Hexagonal  Hexagonal  Hexagonal
 190P\bar{6}2c  \bar{6}m2  Hexagonal  Hexagonal  Hexagonal
 191 P6/mmm6/m \ 2/m \ 2/m  Hexagonal  Hexagonal  Hexagonal
 192P6/mcc 6/m \ 2/m \ 2/m  Hexagonal  Hexagonal  Hexagonal
 193 P6_{3}/mcm6/m \ 2/m \ 2/m  Hexagonal  Hexagonal  Hexagonal
 194P6_{3}/mmc 6/m \ 2/m \ 2/m  Hexagonal  Hexagonal  Hexagonal

Cubic Space Groups

   Space Group
(Number)
ShortName of a Space Group  Point Group
(H-M HermannMauguin Notation)
 Crystal
System
 Crystal
Family 
 Bravais
Lattice 
 195P23  23 Cubic Cubic Simple Cubic
 196F23  23 Cubic CubicFace-Centered Cubic 
 197 I23 23 Cubic Cubic Body-Centered Cubic
 198 P2_{1}3 23 Cubic CubicSimple Cubic 
 199 I2_{1}3 23 Cubic Cubic Body-Centered Cubic
 200Pm\bar{3}  2/m \bar{3} Cubic Cubic Simple Cubic
 201 Pn\bar{3} 2/m \bar{3} Cubic CubicSimple Cubic 
 202 Fm\bar{3} 2/m \bar{3} Cubic CubicFace-Centered Cubic 
 203 Fd\bar{3} 2/m \bar{3} Cubic CubicFace-Centered Cubic 
 204 Im\bar{3} 2/m \bar{3} Cubic Cubic Body-Centered Cubic
 205Pa\bar{3}  2/m \bar{3} Cubic CubicSimple Cubic 
 206Ia\bar{3}  2/m \bar{3} Cubic CubicBody-Centered Cubic 
 207 P432 432 Cubic CubicSimple Cubic 
 208 P4_{2}32 432 Cubic Cubic Simple Cubic
 209 F432 432 Cubic Cubic Face-Centered Cubic
 210F4_{1}32  432 Cubic Cubic Face-Centered Cubic
 211 I432 432 Cubic Cubic Body-Centered Cubic
 212 P4_{3}32 432 Cubic Cubic Simple Cubic
 213P4_{1}32  432 Cubic Cubic Simple Cubic
 214I4_{1}32  432 Cubic Cubic Body-Centered Cubic
 215P\bar{4}3m  \bar{4}3m Cubic Cubic Simple Cubic
 216 F\bar{4}3m \bar{4}3m Cubic Cubic Face-Centered Cubic
 217I\bar{4}3m  \bar{4}3m Cubic Cubic Body-Centered Cubic
 218P\bar{4}3n  \bar{4}3m Cubic Cubic Simple Cubic
 219 F\bar{4}3c \bar{4}3m Cubic Cubic Face-Centered Cubic
 220 I\bar{4}3d \bar{4}3m Cubic Cubic Body-Centered Cubic
 221 Pm\bar{3}m4/m \ \bar{3} \ 2/m Cubic CubicSimple Cubic 
 222 Pn\bar{3}n 4/m \ \bar{3} \ 2/m Cubic Cubic Simple Cubic
 223 Pm\bar{3}n4/m \ \bar{3} \ 2/m Cubic Cubic Simple Cubic
 224 Pn\bar{3}m4/m \ \bar{3} \ 2/m Cubic Cubic Simple Cubic
 225Fm\bar{3}m 4/m \ \bar{3} \ 2/m Cubic Cubic Face-Centered Cubic
 226 Fm\bar{3}c4/m \ \bar{3} \ 2/m Cubic CubicFace-Centered Cubic 
 227Fd\bar{3}m 4/m \ \bar{3} \ 2/m Cubic Cubic Face-Centered Cubic
 228 Fd\bar{3}c4/m \ \bar{3} \ 2/m Cubic Cubic Face-Centered Cubic
 229Im\bar{3}m 4/m \ \bar{3} \ 2/m Cubic Cubic Body-Centered Cubic
 230Ia\bar{3}d 4/m \ \bar{3} \ 2/m Cubic Cubic Body-Centered Cubic

References and Further Reading

If you have a hard time interpreting the space group symbols, check out this article which explains the various crystallography notation systems, including H-M notation.

If you want to see the other crystallography-related articles I’ve written, here is this list, in recommended reading order:

Introduction to Bravais Lattices
What is the Difference Between “Crystal Structure” and “Bravais Lattice”
Atomic Packing Factor
How to Read Miller Indices
How to Read Hexagonal Miller-Bravais Indices
Close-Packed Crystals and Stacking Order
Interstitial Sites
Primitive Cells
How to Read Crystallography Notation
What are Point Groups
List of Point Groups

If you are interested in more details about any specific crystal structure, I have written individual articles about simple crystal structures which correspond to each of the 14 Bravais lattices:

1. Simple Cubic
2. Face-Centered Cubic
2a. Diamond Cubic
3. Body-Centered Cubic
4. Simple Hexagonal
4a. Hexagonal Close-Packed
4b. Double Hexagonal Close-Packed (La-type)
5. Rhombohedral
5a. Rhombohedral Close-Packed (Sm-type)
6. Simple Tetragonal
7. Body-Centered Tetragonal
7a. Diamond Tetragonal (White Tin)
8. Simple Orthorhombic
9. Base-Centered Orthorhombic
10. Face-Centered Orthorhombic
11. Body-Centered Orthorhombic 
12. Simple Monoclinic 
13. Base-Centered Monoclinic 
14. Triclinic

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