COL ICSD Collection Code 23356 DATE Recorded Dec 31, 1980 NAME Tribarium lanthanum triniobium oxide FORM Ba3 La Nb3 O12 = Ba3 La Nb3 O12 TITL Die Struktur von Ba4 Nb2 W () O12 und Ba3 La Nb3 () O12 REF Zeitschrift fuer Anorganische und Allgemeine Chemie ZAACA 466 (1980) 131-138 AUT Rother H J, Kemmler-SackÿS, TreiberÿU, CyrisÿWÿR CELL a=5.751 b=5.751 c=28.110 à=90.0 á=90.0 ç=120.0 V=805.2 Z=3 SGR R -3 m H (166) - trigonal CLAS -3m (Hermann-Mauguin) - D3d (Schoenflies) PRS hR57 ANX A3B4X12 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ba 1 2.000 6c 0. 0. 0.2892 0.75 Ba 2 2.000 6c 0. 0. 0.1365 0.75 La 1 3.000 6c 0. 0. 0.2892 0.25 La 2 3.000 6c 0. 0. 0.1365 0.25 Nb 1 5.000 6c 0. 0. 0.4243 Nb 2 5.000 3a 0. 0. 0. O 1 -2.000 18h 1/6 5/6 5/8 O 2 -2.000 18h 1/6 5/6 0.4583 WYCK h2 c3 a ITF Ba 1 B=0. ITF Ba 2 B=0. ITF La 1 B=0. ITF La 2 B=0. ITF Nb 1 B=0. ITF Nb 2 B=0. ITF O 1 B=0. ITF O 2 B=0. RVAL 0.066 TEST At least one temperature factor is implausible or meaningless but agrees with the value given in the paper. (Code 52) COL ICSD Collection Code 50030 DATE Recorded Jan 19, 1999 NAME Barium lanthanum niobium oxide (5/1/10/30) FORM Ba5 La Nb10 O30 = Ba5 La Nb10 O30 TITL Structure and properties of Ba(6-x) Ln(x) Nb10 O30. Ln= La, Ce and Nd compounds REF Materials Research Bulletin MRBUA 32 (1997) 409-419 Issue 4 AUT D'yachenko O G, IstominÿSÿYa, FedotovÿMÿM, AntipovÿEÿV, SvenssonÿG, NygrenÿM, HolmÿW CELL a=12.565 b=12.565 c=3.964 à=90.0 á=90.0 ç=90.0 V=625.8 Z=1 SGR P 4/m b m (127) - tetragonal CLAS 4/mmm (Hermann-Mauguin) - D4h (Schoenflies) PRS tP46 ANX A3B5X15 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ba 1 2.000 2a 0. 0. 0. 0.8333 La 1 3.000 2a 0. 0. 0. 0.1667 Ba 2 2.000 4g 0.1703 0.6703 0. 0.8333 La 2 3.000 4g 0.1703 0.6703 0. 0.1667 Nb 1 4.700 2c 0. 1/2 1/2 Nb 2 4.700 8j 0.076 0.2133 1/2 O 1 -2.000 2d 0. 1/2 0. O 2 -2.000 4h 0.281 0.781 1/2 O 3 -2.000 8i 0.075 0.206 0. O 4 -2.000 8j 0.341 0.007 1/2 O 5 -2.000 8j 0.134 0.065 1/2 WYCK j3 i h g d c a ITF Ba 1 B=1.7(2) ITF La 1 B=1.7(2) ITF Ba 2 B=3.0(2) ITF La 2 B=3.0(2) ITF Nb 1 B=1.9(2) ITF Nb 2 B=1.5(1) ITF O 1 B=2.5(4) ITF O 2 B=2.5(4) ITF O 3 B=2.5(4) ITF O 4 B=2.5(4) ITF O 5 B=2.5(4) REM XDP (X-ray diffraction from a powder) REM RVP RVAL 0.037 COL ICSD Collection Code 50031 DATE Recorded Jan 19, 1999 NAME Barium lanthanum niobium oxide (4/2/10/30) FORM Ba4 La2 Nb10 O30 = Ba4 La2 Nb10 O30 TITL Structure and properties of Ba(6-x) Ln(x) Nb10 O30. Ln= La, Ce and Nd compounds REF Materials Research Bulletin MRBUA 32 (1997) 409-419 Issue 4 AUT D'yachenko O G, IstominÿSÿYa, FedotovÿMÿM, AntipovÿEÿV, SvenssonÿG, NygrenÿM, HolmÿW CELL a=12.528 b=12.528 c=3.951 à=90.0 á=90.0 ç=90.0 V=620.2 Z=1 SGR P 4/m b m (127) - tetragonal CLAS 4/mmm (Hermann-Mauguin) - D4h (Schoenflies) PRS tP46 ANX A3B5X15 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ba 1 2.000 2a 0. 0. 0. 0.6667 La 1 3.000 2a 0. 0. 0. 0.3333 Ba 2 2.000 4g 0.1701 0.6701 0. 0.6678 La 2 3.000 4g 0.1701 0.6701 0. 0.3333 Nb 1 4.600 2c 0. 1/2 1/2 Nb 2 4.600 8j 0.0759 0.2149 1/2 O 1 -2.000 2d 0. 1/2 0. O 2 -2.000 4h 0.284 0.784 1/2 O 3 -2.000 8i 0.074 0.208 0. O 4 -2.000 8j 0.337 0.008 1/2 O 5 -2.000 8j 0.128 0.065 1/2 WYCK j3 i h g d c a ITF Ba 1 B=2.0(2) ITF La 1 B=2.0(2) ITF Ba 2 B=3.5(2) ITF La 2 B=3.5(2) ITF Nb 1 B=2.2(2) ITF Nb 2 B=1.4(1) ITF O 1 B=3.1(5) ITF O 2 B=3.1(5) ITF O 3 B=3.1(5) ITF O 4 B=3.1(5) ITF O 5 B=3.1(5) REM XDP (X-ray diffraction from a powder) REM RVP REM K two phase sample, 2nd phase=LaNbO4, mass fraction of LaNbO4 is 3.1% RVAL 0.043 COL ICSD Collection Code 50032 DATE Recorded Jan 19, 1999 NAME Barium lanthanum niobium oxide (4/2/10/30) FORM Ba4 La2 Nb10 O30 = Ba4 La2 Nb10 O30 TITL Structure and properties of Ba(6-x) Ln(x) Nb10 O30. Ln= La, Ce and Nd compounds REF Materials Research Bulletin MRBUA 32 (1997) 409-419 Issue 4 AUT D'yachenko O G, IstominÿSÿYa, FedotovÿMÿM, AntipovÿEÿV, SvenssonÿG, NygrenÿM, HolmÿW CELL a=12.558 b=12.558 c=3.962 à=90.0 á=90.0 ç=90.0 V=624.8 Z=1 SGR P 4/m b m (127) - tetragonal CLAS 4/mmm (Hermann-Mauguin) - D4h (Schoenflies) PRS tP46 ANX A3B5X15 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ba 1 2.000 2a 0. 0. 0. 0.6667 La 1 3.000 2a 0. 0. 0. 0.3333 Ba 2 2.000 4g 0.1708 0.6708 0. 0.6667 La 2 3.000 4g 0.1708 0.6708 0. 0.3333 Nb 1 4.600 2c 0. 1/2 1/2 Nb 2 4.600 8j 0.0757 0.213 1/2 O 1 -2.000 2d 0. 1/2 0. O 2 -2.000 4h 0.282 0.782 1/2 O 3 -2.000 8i 0.078 0.207 0. O 4 -2.000 8j 0.343 0.009 1/2 O 5 -2.000 8j 0.134 0.066 1/2 WYCK j3 i h g d c a ITF Ba 1 B=1.5(2) ITF La 1 B=1.5(2) ITF Ba 2 B=2.6(2) ITF La 2 B=2.6(2) ITF Nb 1 B=1.6(3) ITF Nb 2 B=1.2(2) ITF O 1 B=1.5(5) ITF O 2 B=1.5(5) ITF O 3 B=1.5(5) ITF O 4 B=1.5(5) ITF O 5 B=1.5(5) REM XDP (X-ray diffraction from a powder) REM RVP REM K Sample prepared at 1200 C with a heating time of 96 h RVAL 0.045