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Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
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¹Ô¹Ôº×: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-05-10 16:08:21
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*data for ICSD #98454 Coll Code 98454 Rec Date 2005/04/01 Mod Date 2008/08/01 Chem Name Silver Sulfide - Alpha', T-type Structured Ag2 S Sum Ag2 S1 ANX A2X D(calc) 3.61 Title Electronic structure of Ag2 S, band calculation and photoelectron spectroscopy Author(s) Kashida, S.;Watanabe, N.;Hasegawa, T.;Iida, H.;Mori, M.;Savrasov, S. Reference Solid State Ionics (2003), 158, 167-175 Unit Cell 4.20 6.86 9.70 90 125.26 90 Vol 228.2 Z 2 Space Group P 1 21 1 SG Number 4 Cryst Sys monoclinic Pearson mP6 Wyckoff a3 Red Cell P 4.2 6.86 8.043 90 100.021 90 228.204 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 1.000 0.000 1.000 Comments Cell in other P1211-setting: c'= 8.043, beta'= 100.02 Improbable structure, cf. 44507, 30445 Structure calculated theoretically Structure type : Ag2S(mP) 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 Ag 1 +1 2 a 0.250 0.125 0.625 1. 0 Ag 2 +1 2 a 0.750 0.375 0.875 1. 0 S 1 -2 2 a 0.5 0.250 0.125 1. 0 *end for ICSD #98454 |
2Â¥2012-05-09 09:44:00
gyliu
Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
- CMEI: 1
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linhua0402313: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷£¡ 2012-05-10 09:59:47
linhua0402313: ½ð±Ò+1, ¸Ðл»ØÌû½»Á÷£¡ 2012-05-10 09:59:47
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*data for ICSD #44507 Coll Code 44507 Rec Date 2000/12/16 Mod Date 2007/08/01 Chem Name Silver Sulfide - Lt Structured Ag2 S Sum Ag2 S1 ANX A2X Min Name Acanthite D(calc) 7.25 Title The crystallography of silver sulfide, Ag2 S Author(s) Frueh, A.J.jr. Reference Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) (1958), 110, 136-144 Phase Transition (1992), 38, 127-220 Unit Cell 4.23 6.91 7.87 90. 99.58 90. Vol 226.83 Z 4 Space Group P 1 21/n 1 SG Number 14 Cryst Sys monoclinic Pearson mP12 Wyckoff e3 R Value .27 Red Cell P 4.23 6.91 7.87 90 99.58 90 226.827 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Low-temperature polymorph of argentite, stable below 446 K Stable up to 450 K (2nd ref., Tomaszewski) Compound with mineral name: Acanthite The structure has been assigned a PDF number (calculated powder diffraction data): 01-089-3840 The structure has been assigned a PDF number (experimental powder diffraction data): 14-72 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H ITF(B) Ag 1 +1 4 e 0.758 0.015 0.305 1. 0 1.01 Ag 2 +1 4 e 0.285 0.32 0.435 1. 0 1.16 S 1 -2 4 e 0.359 0.239 0.134 1. 0 0.93 *end for ICSD #44507 |
3Â¥2012-05-09 09:44:40
gyliu
Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
- CMEI: 1
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lijunjie84: ½ð±Ò+1 2012-05-09 11:01:20
lijunjie84: ½ð±Ò+1 2012-05-09 11:01:20
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*data for ICSD #605704 Coll Code 605704 Rec Date 2008/08/01 Chem Name Silver Sulfide Structured Ag2 S Sum Ag2 S1 ANX NO2 D(calc) 7.11 Title Single-crystal neutron diffraction study of the fast-ion conductor beta-Ag2 S between 186 and 325 degree Author(s) Cava, R.J.;Reidinger, F.;Wuensch, B.J. Reference Journal of Solid State Chemistry (1980), 31, 69-80 Unit Cell 4.873(5) 4.873(5) 4.873(5) 90.0 90.0 90.0 Vol 115.71 Z 2 Space Group I m -3 m SG Number 229 Cryst Sys cubic Pearson cI6 Wyckoff d a R Value .057 Red Cell I 4.220 4.220 4.220 109.471 109.471 109.471 57.857 Trans Red 0.500 0.500 -0.500 / -0.500 0.500 0.500 / 0.500 -0.500 0.500 Comments Metals Sdata Record: INT= count; RAD= n0.1051nm; APP= diffractometer Metals structure type H V2 Neutron diffraction (single crystal) \N Temperature in Kelvin: 533 At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Ag 1 +0 12 d 0.25 0 0.5 0.33 0 S 1 +0 2 a 0 0 0 1 0 *end for ICSD #605704 |
4Â¥2012-05-09 09:45:38
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5Â¥2012-05-10 09:58:53









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