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nandi2212新蟲 (知名作家)
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[求助]
求助埃洛石(halloysite)的CIF文件,謝謝! 已有1人參與
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| 緊急求助halloysite的cif文件,非常感謝! |
新蟲 (知名作家)
鐵桿木蟲 (職業(yè)作家)
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*data for ICSD #26716 Coll Code 26716 Rec Date 1980/1/1/星期二 Mod Date 2007/8/1/星期三 Chem Name Dialuminium Disilicon Trioxide Octahydroxide Structured Al2 Si2 O3 (O H)8 Sum H8 Al2 O11 Si2 ANX A2B2X11 Min Name Halloysite D(calc) 2.09 Title Ueber die Struktur von Halloysit und Metahalloysit. Author(s) Mehmel, M. Reference Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) (1935), 90, 35-43 Unit Cell 5.2 8.92 10.25 90. 100. 90. Vol 468.21 Z 2 Space Group C 1 m 1 SG Number 8 Cryst Sys monoclinic Pearson mS46 Wyckoff b6 a3 Red Cell C 5.162 5.162 10.25 95.017 95.017 119.519 234.107 Trans Red 0.500 -0.500 0.000 / 0.500 0.500 0.000 / 0.000 0.000 1.000 Comments With Si2 O3 (O H)2- and Al2 (O H)6-sheets, wrong structure Compound with mineral name: Halloysite The structure has been assigned a PDF number (calculated powder diffraction data): 01-074-1022 The structure has been assigned a PDF number (experimental powder diffraction data): 29-1489 Standard deviation missing in cell constants X-ray diffraction (powder) Unusual difference between calculated and measured density No R value given in the paper. At least one temperature factor missing in the paper. Coordinates are those given in the paper but are obviously wrong. Position of 16 Elements of H Are Undetermined. Atom # OX SITE x y z SOF H Al 1 +3 4 b 0.25 0.167 0 1. 0 Si 1 +4 4 b 0.008 0.167 -.444 1. 0 O 1 -2 4 b -.046 -.167 0.118 1. H1 O 2 -2 2 a -.046 0 0.118 1. H1 O 3 -2 4 b -.046 0.333 0.397 1. H1 O 4 -2 4 b -.046 -.167 -.118 1. H1 O 5 -2 2 a -.046 0 -.118 1. H1 O 6 -2 2 a 0.283 0 -.375 1. 0 O 7 -2 4 b 0.033 0.25 -.375 1. 0 Std. Notes Transformation Method: Tidy TRANS Origin .95400 0 .88200 Std. Cell 5.2000 8.9200 10.2500 90 100.000 90 Std. Vol. 468.21 Std. Z 2 Std. SG C1M1 Std. Atom Atom # OX SITE x y z SOF Al 1 +3 4 b .29600 .16700 .11800 1. Si 1 +4 4 b .05400 .16700 .67400 1. O 1 -2 4 b .00000 .16700 .23600 1. O 2 -2 2 a .00000 0 .23600 1. O 3 -2 4 b .00000 .33300 .51500 1. O 4 -2 4 b .00000 .16700 .00000 1. O 5 -2 2 a .00000 0 .00000 1. O 6 -2 2 a .32900 0 .74300 1. O 7 -2 4 b .07900 .25000 .74300 1. *end for ICSD #26716 |
鐵桿木蟲 (職業(yè)作家)
新蟲 (知名作家)
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