COL  ICSD Collection Code 29093
 DATE Recorded Jan 1, 1980
 NAME Boron(I) carbide
 FORM B4 C
      = C B4
 TITL The Crystal Structure of Boron Carbide
 REF  Journal of the American Chemical Society
      JACSA 65 (1943) 2115-2119
 AUT  Clark H K, HoardÿJÿL
 CELL a=5.600 b=5.600 c=12.120 à=90.0 á=90.0 ç=120.0
      V=329.2 D=2.52 Z=9
 SGR  R -3 m H      (166) - trigonal
 CLAS -3m   (Hermann-Mauguin) - D3d (Schoenflies)
 PRS  hR45
 ANX  A4X
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      B      1  1.000   18h  1/6    -1/6     0.36
      B      2  1.000   18h  0.106  -0.106   0.113
      C      1 -4.000    6c  0.      0.      0.385
      C      2 -4.000    3b  0.      0.      1/2
 WYCK h2 c b
 TEST No R value given in the paper. (Code 51)
 TEST At least one temperature factor missing in the paper. (Code 53)