hexrd.material.symbols module
- hexrd.material.symbols.pstr_Elements = ' ------------------------------------ Periodic Table of the Elements --------------------------------------\n1:H 2:He\n3:Li 4:Be 5:B 6:C 7:N 8:O 9:F 10:Ne\n11:Na 12:Mg 13:Al 14:Si 15:P 16:S 17:Cl 18:Ar\n19:K 20:Ca 21:Sc 22:Ti 23:V 24:Cr 25:Mn 26:Fe 27:Co 28:Ni 29:Cu 30:Zn 31:Ga 32:Ge 33:As 34:Se 35:Br 36:Kr\n37:Rb 38:Sr 39:Y 40:Zr 41:Nb 42:Mo 43:Tc 44:Ru 45:Rh 46:Pd 47:Ag 48:Cd 49:In 50:Sn 51:Sb 52:Te 53: I 54:Xe\n55:Cs 56:Ba ----- 72:Hf 73:Ta 74:W 75:Re 76:Os 77:Ir 78:Pt 79:Au 80:Hg 81:Tl 82:Pb 83:Bi 84:Po 85:At 86:Rn\n87:Fr 88:Ra -----\n57:La 58:Ce 59:Pr 60:Nd 61:Pm 62:Sm 63:Eu 64:Gd 65:Tb 66:Dy 67:Ho 68:Er 69:Tm 70:Yb 71:Lu\n89:Ac 90:Th 91:Pa 92:U\n ----------------------------------------------------------------------------------------------------------'
this dictionary contains the space group numbers which have two origin choices the two values are the site symmetries of the origin. There are 24 such space groups