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*data for ICSD #84164 Coll Code 84164 Rec Date 1999/01/19 Mod Date 2004/04/01 Chem Name Tungsten Oxide - Epsilon, Lt Structured W O3 Sum O3 W1 ANX AX3 D(calc) 7.37 Title Crystal structure and paramagnetic behaviour of epsilon-(W O3-x) Author(s) Salje, E.K.H.; Rehmann, S.; Pobell, F.; Morris, D.; Knight, K.S.; Herrmannsdoerfer, T.; Dove, M.T. Reference Journal of Physics: Condensed Matter (1997), 9, 6563-6577 Phase Transition (1992), 38, 127-220 Unit Cell 5.27766(1) 5.16124(1) 7.67402(1) 90. 91.6890(2) 90. Vol 208.94 Z 4 Space Group P 1 c 1 SG Number 7 Cryst Sys monoclinic Pearson mP16 Wyckoff a8 R Value .09 Red Cell P 5.161 5.277 7.674 91.689 90 90 208.943 Trans Red 0.000 -1.000 0.000 / -1.000 0.000 0.000 / 0.000 0.000 -1.000 Comments Stable below 233 K (2nd ref., Tomaszewski), above P1- Neutron diffraction (powder) The structure has been assigned a PDF number (calculated powder diffraction data): 01-087-2400 Rietveld profile refinement applied Temperature in Kelvin: 220 At least one temperature factor is implausible or meaningless but agrees with the value given in the paper. Atom # OX SITE x y z SOF H ITF(B) W 1 +6 2 a -.0111(5) -.012(1) 0.6745(2) 1. 0 0.07(3) W 2 +6 2 a 0.5 0.470(1) 0.75 1. 0 0.07(3) O 1 -2 2 a 0.492(2) 0.582(1) -.032(1) 1. 0 0.45(2) O 2 -2 2 a 0.201(2) 0.298(1) 0.174(1) 1. 0 0.45(2) O 3 -2 2 a 0.272(2) 0.776(1) 0.249(1) 1. 0 0.45(2) O 4 -2 2 a 0.691(2) 0.205(1) 0.170(1) 1. 0 0.45(2) O 5 -2 2 a 0.779(2) 0.714(1) 0.246(1) 1. 0 0.45(2) O 6 -2 2 a -.013(2) 0.067(1) 0.454(1) 1. 0 0.45(2) *end for ICSD #84164 |
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*data for ICSD #80056 Coll Code 80056 Rec Date 1996/10/14 Mod Date 2006/04/01 Chem Name Tungsten Oxide Structured W O3 Sum O3 W1 ANX AX3 D(calc) 7.28 Title Structure refinement of triclinic tungsten trioxide Author(s) Woodward, P.M.;Sleight, A.W.;Vogt, T. Reference Journal of Physics and Chemistry of Solids (1995), 56(56), 1305-1315 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 7.30084(7) 7.53889(7) 7.68962(8) 90. 90.892(1) 90. Vol 423.19 Z 8 Space Group P 1 21/n 1 SG Number 14 Cryst Sys monoclinic Pearson mP32 Wyckoff e8 R Value .079 Red Cell P 7.300 7.538 7.689 90 90.892 90 423.184 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments GSAS software package refinement Stable from 290 to 603 K (2nd ref., Tomaszewski), 233-290 K: P1- Neutron diffraction (powder) The structure has been assigned a PDF number (calculated powder diffraction data): 01-083-0950 The structure has been assigned a PDF number (experimental powder diffraction data): 75-2072 Rietveld profile refinement applied Structure type : WO3(mP32) Atom # OX SITE x y z SOF H ITF(B) W 1 +6 4 e 0.2513(6) 0.0277(7) 0.2865(5) 1. 0 0.67(8) W 2 +6 4 e 0.2481(6) 0.0342(6) 0.7815(5) 1. 0 0.60(8) O 1 -2 4 e 0.0008(6) 0.0366(8) 0.2116(5) 1. 0 0.90(9) O 2 -2 4 e 0.9973(6) 0.4632(8) 0.2164(5) 1. 0 0.90(9) O 3 -2 4 e 0.2821(4) 0.2602(7) 0.2870(4) 1. 0 0.88(6) O 4 -2 4 e 0.2107(4) 0.2602(8) 0.7310(4) 1. 0 1.08(7) O 5 -2 4 e 0.2859(6) 0.0390(6) 0.0065(5) 1. 0 1.17(9) O 6 -2 4 e 0.2849(6) 0.4850(5) 0.9922(4) 1. 0 0.87(8) *end for ICSD #80056 |
4Â¥2010-12-02 09:22:06













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