International Tables for Crystallography

Index of the 80 layer groups


Triclinic/Oblique
p1 1 p-1 2
Monoclinic/Oblique
p112 3 p11m 4 p11a 5 p112/m 6
p112/a 7
Monoclinic/Rectangular
p211 8 p2111 9 c211 10 pm11 11
pb11 12 cm11 13 p2/m11 14 p21/m11 15
p2/b11 16 p21/b11 17 c2/m11 18
Orthorhombic/Rectangular
p222 19 p2122 20 p21212 21 c222 22
pmm2 23 pma2 24 pba2 25 cmm2 26
pm2m 27 pm21b 28 pb21m 29 pb2b 30
pm2a 31 pm21n 32 pb21a 33 pb2n 34
cm2m 35 cm2e 36 pmmm 37 pmaa 38
pban 39 pmam 40 pmma 41 pman 42
pbaa 43 pbam 44 pbma 45 pmmn 46
cmmm 47 cmme 48
Tetragonal/Square
p4 49 p-4 50 p4/m 51 p4/n 52
p422 53 p4212 54 p4mm 55 p4bm 56
p-42m 57 p-421m 58 p-4m2 59 p-4b2 60
p4/mmm 61 p4/nbm 62 p4/mbm 63 p4/nmm 64
Trigonal/Hexagonal
p3 65 p-3 66 p312 67 p321 68
p3m1 69 p31m 70 p-31m 71 p-3m1 72
Hexagonal/Hexagonal
p6 73 p-6 74 p6/m 75 p622 76
p6mm 77 p-6m2 78 p-62m 79 p6/mmm 80









































to end of page
to top of page