COL  ICSD Collection Code 23798
 DATE Recorded Jan 1, 1980
 NAME Tantalum carbide (2/1)
 FORM Ta2 C
      = C Ta2
 TITL The Crystal Structures of V2 C and Ta2 C
 REF  Acta Crystallographica (1,1948-23,1967)
      ACCRA 19 (1965) 6-9
 AUT  Bowman A L, Wallace’T’C, Yarnell’J’L, Wenzel’G’G, Storms’E’K
 CELL a=3.103 b=3.103 c=4.938 ą=90.0 į=90.0 ē=120.0
      V=41.2 Z=1
 SGR  P -3 1 m      (162) - trigonal
 CLAS -3m   (Hermann-Mauguin) - D3d (Schoenflies)
 PRS  hP3
 ANX  NO2
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Ta     1  0.000    4h  1/3     2/3     0.2537    0.5
      C      1  0.000    1a  0.      0.      0.
 WYCK h a
 ITF  Ta  1   B=0.53
 ITF  C   1   B=0.53
 REM  NDP (neutron diffraction from a powder)
 RVAL 0.045

 COL  ICSD Collection Code 26956
 DATE Recorded Jan 1, 1980
 NAME Tantalum(IV) carbide
 FORM Ta C
      = C Ta
 TITL Die Kristallstrukturen einiger binaerer Carbide und Nitride.
 REF  Zeitschrift fuer Physik
      ZEPYA 31 (1925) 268-272
 AUT  Becker K, Ebert’F
 CELL a=4.490 b=4.490 c=4.490 ą=90.0 į=90.0 ē=90.0
      V=90.5 Z=4
 SGR  F 2 3         (196) - cubic
 CLAS 23    (Hermann-Mauguin) - T   (Schoenflies)
 PRS  cF8
 ANX  AX
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Ta     1  4.000    4a  0.      0.      0.
      C      1 -4.000    4b  1/2     1/2     1/2
 WYCK b a
 REM  XDP (X-ray diffraction from a powder)
 TEST No R value given in the paper. (Code 51)
 TEST At least one temperature factor missing in the paper. (Code 53)

 COL  ICSD Collection Code 38239
 DATE Recorded Jan 1, 1980; updated Jun 13, 1985
 NAME Tantalum carbide (1/1)
 FORM Ta C
      = C Ta
 TITL Die Kristallstruktur von Tantalkarbid
 REF  Metallwirtschaft, Metallwissenschaft, Metalltechnik
      METWA 12 (1933) 298
 AUT  Schwarz M von, Summa’O
 CELL a=4.446 b=4.446 c=4.446 ą=90.0 į=90.0 ē=90.0
      V=87.9 Z=4
 SGR  F m -3 m      (225) - cubic
 CLAS m-3m  (Hermann-Mauguin) - Oh  (Schoenflies)
 PRS  cF8
 ANX  NO
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Ta     1  0.000    4a  0.      0.      0.
      C      1  0.000    4b  1/2     1/2     1/2
 WYCK b a
 REM  XDP (X-ray diffraction from a powder)
 TEST No R value given in the paper. (Code 51)
 TEST At least one temperature factor missing in the paper. (Code 53)