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zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
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- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
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linhua0402313: ½ð±Ò+2, ¸ÐлÈÈÐĻشð£¬Ï£Íû¶ÔÂ¥Ö÷ÓаïÖú£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:19
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linhua0402313: ½ð±Ò+2, ¸ÐлÈÈÐĻشð£¬Ï£Íû¶ÔÂ¥Ö÷ÓаïÖú£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:19
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*data for ICSD #2425 Coll Code 2425 Rec Date 1980/01/01 Mod Date 2007/08/01 Chem Name Dizinc Silicate Structured Zn2 (Si O4) Sum O4 Si1 Zn2 ANX AB2X4 Min Name Willemite D(calc) 4.24 Title New investigation of willemite Author(s) Klaska, K.H.;Eck, J.C.;Pohl, D. Reference Acta Crystallographica B (24,1968-38,1982) (1978), 34, 3324-3325 Powder Diffraction (1986), 1, 265-275 Unit Cell 13.948(2) 13.948(2) 9.315(2) 90. 90. 120. Vol 1569.42 Z 18 Space Group R -3 H SG Number 148 Cryst Sys trigonal/rhombohedral Pearson hR42 Wyckoff f7 R Value .032 Red Cell RH 8.630 8.630 8.630 107.809 107.809 107.809 523.138 Trans Red 0.333 -0.333 -0.333 / -0.667 -0.333 -0.333 / 0.333 0.667 -0.333 Comments Phenakite structure type Cell from 2nd ref. (McMurdie et al., National Bureau of Standards): 13.9381(4), 9.3100(4) Compound with mineral name: Willemite The structure has been assigned a PDF number (experimental powder diffraction data): 37-1485 Structure type : Be2SiO4 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Si 1 +4 18 f 0.98393(8) 0.19557(8) 0.7494(1) 1. 0 Zn 1 +2 18 f 0.98257(4) 0.19167(4) 0.41535(5) 1. 0 Zn 2 +2 18 f 0.97694(4) 0.19197(4) 0.08140(5) 1. 0 O 1 -2 18 f 0.1104(2) 0.2164(2) 0.7505(3) 1. 0 O 2 -2 18 f -.0042(2) 0.3178(2) 0.7490(3) 1. 0 O 3 -2 18 f 0.9164(2) 0.1256(2) 0.8926(3) 1. 0 O 4 -2 18 f 0.9227(2) 0.1283(2) 0.6036(3) 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Si1 Si4+ 0.00041(9) 0.00046(9) 0.0005(2) 0.00025(6) 0.00021(5) 0.00003(5) Zn1 Zn2+ 0.00089(6) 0.00094(6) 0.0013(1) 0.00044(4) 0.00007(3) -.00002(3) Zn2 Zn2+ 0.00094(6) 0.00094(6) 0.0013(1) 0.00046(4) 0.00015(3) 0.00003(2) O1 O2- 0.0008(2) 0.0016(2) 0.0013(3) 0.0010(2) 0.0001(2) 0.0003(2) O2 O2- 0.0011(2) 0.0009(2) 0.0026(4) 0.0005(1) -.0006(2) -.0001(2) O3 O2- 0.0007(2) 0.0005(2) 0.0016(3) -.0003(2) -.0001(2) -.0001(2) O4 O2- 0.0012(2) 0.0011(2) 0.0012(3) 0.0003(2) 0.0002(2) 0.0005(2) *end for ICSD #2425 |

2Â¥2012-06-01 08:10:57
zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
- ºì»¨: 10
- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
- ÐÔ±ð: GG
- רҵ: ÎÞ»úºÏ³ÉºÍÖÆ±¸»¯Ñ§
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linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:41
linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:41
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*data for ICSD #9147 Coll Code 9147 Rec Date 1980/01/01 Mod Date 2003/04/01 Chem Name Dizinc Silicate - Ii Structured Zn2 (Si O4) Sum O4 Si1 Zn2 ANX AB2X4 Min Name Willemite HP D(calc) 4.66 Title The crystal structure of Zn2 Si O4-II, a high pressure phase of willemite Author(s) Marumo, F.;Syono, Y. Reference Acta Crystallographica B (24,1968-38,1982) (1971), 27, 1868-1870 Unit Cell 7.0069(3) 7.0069(3) 6.4637(4) 90. 90. 90. Vol 317.35 Z 4 Space Group I -4 2 d SG Number 122 Cryst Sys tetragonal Pearson tI28 Wyckoff e d b R Value .081 Red Cell I 5.915 5.915 5.915 107.366 107.366 113.768 158.673 Trans Red -0.500 0.500 0.500 / 0.500 -0.500 0.500 / 0.500 0.500 -0.500 Comments Stable between 30 and 80 kbar Compound with mineral name: Willemite HP The structure has been assigned a PDF number (calculated powder diffraction data): 01-070-2488 The structure has been assigned a PDF number (experimental powder diffraction data): 24-1467 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Zn 1 +2 8 d 0.1570(6) 0.25 0.125 1. 0 Si 1 +4 4 b 0 0 0.5 1. 0 O 1 -2 16 e 0.3079(23) 0.4890(31) 0.1376(45) 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Zn1 Zn2+ 0.0003(8) 0.0008(7) 0.0018(15) 0 0 0.0002(8) Si1 Si4+ 0.0008(13) 0.0008(13) 0.0018(39) 0 0 0 O1 O2- 0.0034(27) 0.0049(28) 0.0068(68) -.0001(22) -.0001(42) -.0004(50) *end for ICSD #9147 |

3Â¥2012-06-01 08:11:27
zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
- ºì»¨: 10
- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
- ÐÔ±ð: GG
- רҵ: ÎÞ»úºÏ³ÉºÍÖÆ±¸»¯Ñ§
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linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:47
linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:47
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*data for ICSD #16172 Coll Code 16172 Rec Date 1980/01/01 Mod Date 2009/02/01 Chem Name Dizinc Silicate Structured Zn2 (Si O4) Sum O4 Si1 Zn2 ANX AB2X4 Min Name Willemite D(calc) 4.25 Title Crystal structures of willemite Zn2 Si O4 and its germanium analog Zn2 (Ge O4) Author(s) Hang, C.;Simonov, M.A.;Belov, N.V. Reference Kristallografiya (1970), 15(\N), 457-460 Soviet Physics, Crystallography (= Kristallografiya) (1970), 15(\N), 387-390 Unit Cell 8.628(1) 8.628(1) 8.628(3) 107.87 107.87 107.87 Vol 521.69 Z 6 Space Group R -3 R SG Number 148 Cryst Sys trigonal/rhombohedral Pearson hR42 Wyckoff f7 R Value .143 Red Cell RR 8.628 8.628 8.628 107.87 107.87 107.87 521.689 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Hexagonal setting: 13.949(1), 9.288(3), cf. 20093 Compound with mineral name: Willemite The structure has been assigned a PDF number (calculated powder diffraction data): 01-085-0453 The structure has been assigned a PDF number (experimental powder diffraction data): 37-1485 Structure type : Be2SiO4 X-ray diffraction from single crystal At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Si 1 +4 6 f 0.459 0.225 0.051 1. 0 Zn 1 +2 6 f 0.793 0.562 0.385 1. 0 Zn 2 +2 6 f 0.128 0.897 0.72 1. 0 O 1 -2 6 f 0.329 0.019 -.027 1. 0 O 2 -2 6 f 0.614 0.307 0.258 1. 0 O 3 -2 6 f 0.971 0.639 0.64 1. 0 O 4 -2 6 f 0.553 0.229 -.092 1. 0 *end for ICSD #16172 |

4Â¥2012-06-01 08:12:04
zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
- ºì»¨: 10
- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
- ÐÔ±ð: GG
- רҵ: ÎÞ»úºÏ³ÉºÍÖÆ±¸»¯Ñ§
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linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:54
linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:26:54
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*data for ICSD #20093 Coll Code 20093 Rec Date 1980/01/01 Mod Date 1999/01/19 Chem Name Dizinc Silicate Structured Zn2 (Si O4) Sum O4 Si1 Zn2 ANX AB2X4 Min Name Willemite D(calc) 4.22 Title The crystal structure of willemite Zn2 (Si O4) Author(s) Simonov, M.A.;Sandomirskii, P.A.;Egorov-Tismenko, Yu.K.;Belov, N.V. Reference Doklady Akademii Nauk SSSR (1977), 237, 581-588 Unit Cell 13.971(3) 13.971(3) 9.334(1) 90. 90. 120. Vol 1577.81 Z 18 Space Group R -3 H SG Number 148 Cryst Sys trigonal/rhombohedral Pearson hR42 Wyckoff f7 R Value .082 Red Cell RH 8.645 8.645 8.645 107.801 107.801 107.801 525.935 Trans Red 0.333 -0.333 -0.333 / -0.667 -0.333 -0.333 / 0.333 0.667 -0.333 Comments Phenakite structure type Compound with mineral name: Willemite The structure has been assigned a PDF number (calculated powder diffraction data): 01-072-1856 The structure has been assigned a PDF number (experimental powder diffraction data): 37-1485 Structure type : Be2SiO4 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H ITF(B) Zn 1 +2 18 f 0.1916(1) 0.2087(1) 0.5844(1) 1. 0 0.66(3) Zn 2 +2 18 f 0.1921(1) 0.2155(1) 0.9185(1) 1. 0 0.72(3) Si 1 +4 18 f 0.1963(3) 0.2118(3) 0.2510(4) 1. 0 0.71(3) O 1 -2 18 f 0.1267(7) 0.2085(8) 0.1082(9) 1. 0 0.85(15) O 2 -2 18 f 0.1295(7) 0.2059(7) 0.3955(9) 1. 0 0.77(14) O 3 -2 18 f 0.1100(8) 0.2175(8) 0.7496(9) 1. 0 0.80(14) O 4 -2 18 f 0.3165(7) 0.3215(8) 0.2493(9) 1. 0 0.99(15) *end for ICSD #20093 |

5Â¥2012-06-01 08:12:29
zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
- ºì»¨: 10
- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
- ÐÔ±ð: GG
- רҵ: ÎÞ»úºÏ³ÉºÍÖÆ±¸»¯Ñ§
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linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:27:03
linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:27:03
|
*data for ICSD #67235 Coll Code 67235 Rec Date 1990/12/27 Chem Name Dizinc Silicate Structured Zn2 Si O4 Sum O4 Si1 Zn2 ANX AB2X4 D(calc) 4.24 Title A uniform description of phenakite type structures as superstructures of beta-Si3N4 Author(s) Hartmann, P. Reference Zeitschrift fuer Kristallographie (149,1979-) (1989), 187, 139-143 Unit Cell 13.948 13.948 9.315 90. 90. 120. Vol 1569.42 Z 18 Space Group R -3 H SG Number 148 Cryst Sys trigonal/rhombohedral Pearson hR42 Wyckoff f7 Red Cell RH 8.630 8.630 8.630 107.809 107.809 107.809 523.138 Trans Red 0.333 -0.333 -0.333 / -0.667 -0.333 -0.333 / 0.333 0.667 -0.333 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-079-2005 Structure type : Be2SiO4 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 Si 1 +4 18 f 0.2117 0.1956 0.2494 1. 0 Zn 1 +2 18 f 0.2151 0.192 0.5814 1. 0 Zn 2 +2 18 f 0.2091 0.1917 0.9153 1. 0 O 1 -2 18 f 0.322 0.3178 0.249 1. 0 O 2 -2 18 f 0.2056 0.1283 0.1036 1. 0 O 3 -2 18 f 0.2092 0.1256 0.3926 1. 0 O 4 -2 18 f 0.2164 0.1104 0.7495 1. 0 *end for ICSD #67235 |

6Â¥2012-06-01 08:12:46
zcy_langmuir
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 139 (¸ßÖÐÉú)
- ½ð±Ò: 7227.8
- É¢½ð: 1690
- ºì»¨: 10
- Ìû×Ó: 698
- ÔÚÏß: 758.9Сʱ
- ³æºÅ: 1107536
- ×¢²á: 2010-09-25
- ÐÔ±ð: GG
- רҵ: ÎÞ»úºÏ³ÉºÍÖÆ±¸»¯Ñ§
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linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:27:16
linhua0402313: ½ð±Ò+1, ÐÁ¿àÁË£¬ÇëÉÏ´«Îļþ 2012-06-01 08:27:16
|
*data for ICSD #161024 Coll Code 161024 Rec Date 2009/02/01 Chem Name Dizinc Silicate Structured Zn2 (Si O4) Sum O4 Si1 Zn2 ANX AB2X4 D(calc) 5.67 Title Calculated structural, elastic and electronic properties of Si X2 O4 (X= Mg, Zn, Cd) compounds under pressure Author(s) Bouhemadou, A.;Khenata, R. Reference Modelling and simulation in materials science and engineering (2007), 15, 787-798 Unit Cell 8.0499 8.0499 8.0499 90. 90. 90. Vol 521.64 Z 8 Space Group F d -3 m Z SG Number 227 Cryst Sys cubic Pearson cF56 Wyckoff e d a Red Cell F 5.692 5.692 5.692 60 60 60 130.41 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments DFT calculation within local density approximation Results for calculation within generalized gradient approximation: a= 8.1718, x(O)= 0.2409 Electron structure calculation Structure calculated theoretically Structure type : Al2MgO4 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 Zn 1 +2 16 d 0.5 0.5 0.5 1. 0 Si 1 +4 8 a 0.125 0.125 0.125 1. 0 O 1 -2 32 e 0.2427 0.2427 0.2427 1. 0 *end for ICSD #161024 |
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7Â¥2012-06-01 08:13:01
luogenggeng
ľ³æ (ÕýʽдÊÖ)
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- ºì»¨: 1
- Ìû×Ó: 806
- ÔÚÏß: 833.5Сʱ
- ³æºÅ: 196291
- ×¢²á: 2006-02-24
- ÐÔ±ð: GG
- רҵ: ¹â»¯Ñ§ºÍ·øÉ仯ѧ
8Â¥2012-06-01 09:27:59
gyliu
Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
- CMEI: 1
- Ó¦Öú: 335 (´óѧÉú)
- ½ð±Ò: 16537.7
- É¢½ð: 9
- ºì»¨: 128
- Ìû×Ó: 3257
- ÔÚÏß: 512.8Сʱ
- ³æºÅ: 327449
- ×¢²á: 2007-03-19
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔI:½á¹¹¡¢Á¦Ñ§ºÍ
9Â¥2012-06-01 10:04:21













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