COL ICSD Collection Code 30831 DATE Recorded Nov 6, 1984; updated Nov 8, 1984 NAME Heptamanganese tricarbide FORM Mn7 C3 = C3 Mn7 TITL Heptamanganese tricarbide Mn7 C3 REF Collection of Czechoslovak Chemical Communication CCCCA 48 (1983) 2740-2750 AUT Hajek B, KarenÿP, BrozekÿV CELL a=4.541(4) b=6.945(6) c=11.988(2) à=90.0 á=90.0 ç=90.0 V=378.1 Z=4 SGR P n m a (62) - orthorhombic CLAS mmm (Hermann-Mauguin) - D2h (Schoenflies) PRS oP40 ANX N3O7 PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF- Mn 1 0.000 8d 0.2509 0.0657 0.0218 Mn 2 0.000 8d 0.0565 0.0642 0.8119 Mn 3 0.000 4c 1/4 1/4 0.2063 Mn 4 0.000 4c 0.2619 1/4 0.4165 Mn 5 0.000 4c 0.0579 1/4 0.6261 C 1 0.000 8d 0.0288 0.0291 0.3428 C 2 0.000 4* 0.4594 1/4 0.5629 WYCK d3 c3 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 31017 DATE Recorded Jan 1, 1980; updated May 29, 1985 NAME Manganese carbide (7/3) FORM Mn7 C3 = C3 Mn7 TITL Etude structurale des carbures de manganese REF Annales de Chimie (Paris) (Vol=Year) ANCPA 1967 (1967) 353-366 AUT Bouchard J P CELL a=4.546 b=6.959 c=11.976 à=90.0 á=90.0 ç=90.0 V=378.9 Z=4 SGR P n m a (62) - orthorhombic CLAS mmm (Hermann-Mauguin) - D2h (Schoenflies) PRS oP40 ANX N3O7 PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF- Mn 1 0.000 8d 1/4 0.07 0.02 Mn 2 0.000 8d 0. 0.07 0.81 Mn 3 0.000 4c 0.24 1/4 0.2 Mn 4 0.000 4c 1/4 1/4 0.42 Mn 5 0.000 4c 0. 1/4 0.63 C 1 0.000 8d 0.11 0.03 0.35 C 2 0.000 4c 0.38 1/4 0.57 WYCK d3 c4 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 31018 DATE Recorded Jan 1, 1980 NAME Iron carbide (7/3) FORM Fe7 C3 = C3 Fe7 TITL Etude structurale des carbures de manganese REF Annales de Chimie (Paris) (Vol=Year) ANCPA 1967 (1967) 353-366 AUT Bouchard J P CELL a=4.537 b=6.892 c=11.913 à=90.0 á=90.0 ç=90.0 V=372.5 Z=4 SGR P n m a (62) - orthorhombic CLAS mmm (Hermann-Mauguin) - D2h (Schoenflies) PRS oP40 ANX N3O7 PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF- Fe 1 0.000 8d 1/4 0.07 0.02 Fe 2 0.000 8d 0. 0.07 0.81 Fe 3 0.000 4c 0.24 1/4 0.2 Fe 4 0.000 4c 1/4 1/4 0.42 Fe 5 0.000 4c 0. 1/4 0.63 C 1 0.000 8d 0.11 0.03 0.35 C 2 0.000 4c 0.38 1/4 0.57 WYCK d3 c4 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 69534 DATE Recorded Aug 20, 1992 NAME Manganese carbide (7/3) FORM Mn7 C3 = C3 Mn7 TITL On the phase relations and structural and magnetic properties of the stable manganese carbides Mn23C6,Mn5C2 and Mn7C3 REF Acta Chemica Scandinavica (43,1989-) ACHSE 45 (1991) 549-557 AUT Karen P, FjellvagÿH, KjekshusÿA, AndresenÿAÿF CELL a=4.543(0) b=6.954(1) c=11.973(1) à=90.0 á=90.0 ç=90.0 V=378.3 Z=4 SGR P n m a (62) - orthorhombic CLAS mmm (Hermann-Mauguin) - D2h (Schoenflies) PRS oP40 ANX N3O7 PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF- Mn 1 0.000 8d 0.260(4) 0.050(5) 0.015(3) Mn 2 0.000 8d 0.059(4) 0.080(3) 0.804(3) Mn 3 0.000 4c 0.275(6) 1/4 0.182(4) Mn 4 0.000 4c 0.280(6) 1/4 0.420(5) Mn 5 0.000 4c 0.097(8) 1/4 0.640(4) C 1 0.000 8d 0.041(2) 0.038(1) 0.354(1) C 2 0.000 4c 0.456(4) 1/4 0.556(3) WYCK d3 c4 REM TEM 298 REM NDP (neutron diffraction from a powder) REM RVP RVAL 0.100 TEST At least one temperature factor missing in the paper. (Code 53)