COL  ICSD Collection Code 34475
 DATE Recorded Jan 1, 1980; updated Nov 2, 1984
 NAME Aluminium nitride
 FORM Al N
      = Al N
 TITL Crystal structure refinement of Al N and Ga N
 REF  Solid State Communications
      SSCOA 23 (1977) 815-819
 AUT  Schulz H, Thiemann˙K˙H
 CELL a=3.110 b=3.110 c=4.980 ŕ=90.0 á=90.0 ç=120.0
      V=41.7 Z=2
 SGR  P 63 m c      (186) - hexagonal
 CLAS 6mm   (Hermann-Mauguin) - C6v (Schoenflies)
 PRS  hP4
 ANX  AX
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Al     1  3.000    2b -1/3    -2/3     0.
      N      1 -3.000    2b -1/3    -2/3     0.3821
 WYCK b2
˙
 TF   Atom   U(1,1)  U(2,2)  U(3,3)  U(1,2)  U(1,3)  U(2,3)
      Al 1    0.0037  0.0037  0.0040  0.0019  0.0000  0.0000
      N  1    0.0044  0.0044  0.0046  0.0022  0.0000  0.0000
 RVAL 0.015