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lijunjie84: ½ð±Ò+1, ¸ÐлӦÖú£¡ 2012-04-17 11:03:23
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lijunjie84: ½ð±Ò+1, ¸ÐлӦÖú£¡ 2012-04-17 11:03:23
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*data for ICSD #28921 Coll Code 28921 Rec Date 1980/01/01 Mod Date 2006/04/01 Chem Name Lanthanum Cobaltate(III) Structured La (Co O3) Sum Co1 La1 O3 ANX ABX3 D(calc) 7.32 Title Perowskite-type oxides of cobalt, chromium and vanadium with some rare earth elements Author(s) Wold, A.;Ward, R. Reference Journal of the American Chemical Society (1954), 76, 1029-1030 Journal of Solid State Chemistry (1996), 124, 230-237 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 3.82(1) 3.82(1) 3.82(1) 90. 90. 90. Vol 55.74 Z 1 Space Group P m -3 m SG Number 221 Cryst Sys cubic Pearson cP5 Wyckoff c b a Red Cell P 3.82 3.82 3.82 90 90 90 55.743 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Stable above 1610 K (3rd ref., Tomaszewski), below R3-c The structure has been assigned a PDF number (experimental powder diffraction data): 75-279 Structure type : CaTiO3 X-ray diffraction from single crystal No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H La 1 +3 1 a 0 0 0 1. 0 Co 1 +3 1 b 0.5 0.5 0.5 1. 0 O 1 -2 3 c 0.5 0.5 0 1. 0 *end for ICSD #28921 |
2Â¥2012-04-17 10:00:50
gyliu
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chemicool: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-17 10:06:03
lijunjie84: ½ð±Ò+1 2012-04-17 11:03:42
chemicool: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-17 10:06:03
lijunjie84: ½ð±Ò+1 2012-04-17 11:03:42
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*data for ICSD #153992 Coll Code 153992 Rec Date 2007/04/01 Chem Name Lanthanum Cobalt Oxide (1/1/2.93) Structured La (Co O2.928) Sum Co1 La1 O2.928 ANX ABX3 D(calc) 7.26 Title Structural phenomena associated with the spin-state transition in La Co O3 Author(s) Radaelli, P.G.;Cheong, S.-W. Reference Physical Review, Serie 3. B - Condensed Matter (18,1978-) (2002), 66, 094408-1-094408-9 Unit Cell 5.44490(4) 5.44490(4) 13.084(1) 90. 90. 120. Vol 335.93 Z 6 Space Group R -3 c H SG Number 167 Cryst Sys trigonal/rhombohedral Pearson hR10 Wyckoff e b a R Value .068 Red Cell RH 5.376 5.376 5.376 60.847 60.847 60.847 111.977 Trans Red 0.333 -0.333 -0.333 / -0.667 -0.333 -0.333 / 0.333 0.667 -0.333 Comments Neutron diffraction (powder) Rietveld profile refinement applied Temperature in Kelvin: 250 Structure type : NdAlO3 Atom # OX SITE x y z SOF H La 1 +3 6 a 0. 0. 0.250 1. 0 Co 1 +2.86 6 b 0. 0. 0. 1. 0 O 1 -2 18 e 0.55095(8) 0. 0.250 0.976(4) 0 Lbl Type U11 U22 U33 U12 U13 U23 O1 O2- 0.0044(2) 0.0038(3) 0.0053(2) 0.0019(1) -0.0017(1) -0.0034(2) *end for ICSD #153992 |
3Â¥2012-04-17 10:03:11
chemicool
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4Â¥2012-04-17 10:05:05
chemicool
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5Â¥2012-04-17 10:08:27
gyliu
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6Â¥2012-04-17 10:49:09
chemicool
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7Â¥2012-04-17 13:40:10
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8Â¥2012-05-19 13:24:47














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