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wanlichuan木虫 (著名写手)
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[交流]
帮忙查无机晶体结构数据库
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最近意外得到一个晶体,测了单晶,得到的单胞数据如下: a=5.8554 b=9.8153 c=12.2953 α=β=γ=90 V=706.640 Fddd空间群。 主要元素中应该有铁,其它不是很清楚了。 想请有ICSD数据库的朋友看一下有没有这个结构被报道。能查SCIFinder的朋友也可以帮忙查一下,我查了SCIFinder,但不知道如何直接以晶胞参数为关键词查,所以也没查到。 希望能告知数据库的更新日期和SCIFinder的查询方法。 谢谢。 ![]() |
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xi2004
至尊木虫 (职业作家)
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2楼2009-09-26 09:46:12
xi2004
至尊木虫 (职业作家)
- CMEI: 10
- 应助: 125 (高中生)
- 金币: 16769.9
- 散金: 12393
- 红花: 221
- 帖子: 4161
- 在线: 436.9小时
- 虫号: 354550
- 注册: 2007-04-24
- 专业: 结构化学
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
wanlichuan(金币+10,VIP+0):谢谢,非常感谢。昨天有事未及时送金币,见谅。 9-27 06:39
paopaomeng(金币+1,VIP+0):谢谢交流 9-27 16:19
wanlichuan(金币+10,VIP+0):谢谢,非常感谢。昨天有事未及时送金币,见谅。 9-27 06:39
paopaomeng(金币+1,VIP+0):谢谢交流 9-27 16:19
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*data for ICSD #2895 Coll Code 2895 Rec Date 1980/01/01 Mod Date 2006/04/01 Chem Name Diodium Sulfate(VI) Structured Na2 (S O4) Sum Na2 O4 S1 ANX AB2X4 Min Name Thenardite D(calc) 2.67 Title Refinement of the crystal structure of thenardite, Na2 S O4 (V) Author(s) Nord, A.G. Reference Acta Chemica Scandinavica (1-27,1973-42,1988) (1973), 27, 814-822 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 5.8596(5) 12.3044(12) 9.817(1) 90. 90. 90. Vol 707.79 Z 8 Space Group F d d d Z SG Number 70 Cryst Sys orthorhombic Pearson oF56 Wyckoff h g a R Value .036 Red Cell F 5.716 5.716 6.814 102.730 102.730 118.335 176.949 Trans Red 0.500 0.000 -0.500 / 0.500 0.000 0.500 / -0.500 -0.500 0.000 Comments Stable up to 480 K (2nd ref., Tomaszewski), 521-843 K: P63/mmc, m.p. 1156 K Compound with mineral name: Thenardite The structure has been assigned a PDF number (calculated powder diffraction data): 01-070-1541 The structure has been assigned a PDF number (experimental powder diffraction data): 37-1465 New refinement based on previously measured intensities Structure type : Na2SO4 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H S 1 +6 8 a 0.125 0.125 0.125 1. 0 Na 1 +1 16 g 0.125 0.125 0.4414(1) 1. 0 O 1 -2 32 h -.0203(2) 0.0572(1) 0.2137(1) 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 S1 S6+ 0.00518(6) 0.00113(2) 0.00206(3) 0 0 0 Na1 Na1+ 0.00926(11) 0.00192(3) 0.00432(5) 0.00035(8) 0 0 O1 O2- 0.01041(12) 0.00207(3) 0.00345(5) -.00297(10) 0.00319(12) 0.00065(5) *end for ICSD #2895 |

3楼2009-09-26 09:49:00
4楼2010-01-30 09:36:46
5楼2010-01-30 09:52:01
6楼2010-02-08 09:45:49
★
小木虫(金币+0.5):给个红包,谢谢回帖交流
小木虫(金币+0.5):给个红包,谢谢回帖交流
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*data for ICSD #63316 Coll Code 63316 Rec Date 1990/12/27 Mod Date 1998/06/26 Chem Name Aluminium Silicate Hydroxide * Structured Al4 (O H)8 (Si4 O10) Sum H8 Al4 O18 Si4 ANX A2B2X9 Min Name Kaolinite 1A D(calc) 2.61 Title Verification of the Triclinic Crystal Structure of Kaolinite Author(s) Young, R.A.;Hewat, A.W. Reference Clays and Clay Minerals (-28,1980) (1988), 36, 225-232 Unit Cell 5.14971(4) 8.93507(7) 7.38549(5) 91.9280(4) 105.0440(4) 89.7920(5) Vol 327.99 Z 1 Space Group P 1 SG Number 1 Cryst Sys triclinic Pearson aP34 Wyckoff a26 R Value .0203 Red Cell P 5.149 7.385 8.935 88.071 89.792 74.955 327.992 Trans Red 1.000 0.000 0.000 / 0.000 0.000 -1.000 / 0.000 1.000 0.000 Comments Compound with mineral name: Kaolinite 1A Neutron diffraction (powder) The structure has been assigned a PDF number: 14-164 Rietveld profile refinement applied At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Al 1 +3 1 a 0.352(9) 0.501(5) 0.471(6) 1. 0 Al 2 +3 1 a 0.370(9) 0.830(4) 0.447(5) 1. 0 Al 3 +3 1 a 0.862(11) -.001(5) 0.465(6) 1. 0 Al 4 +3 1 a 0.852(8) 0.329(4) 0.464(5) 1. 0 Si 1 +4 1 a 0.058(8) 0.347(4) 0.058(4) 1. 0 Si 2 +4 1 a 0.076(8) 0.654(5) 0.088(5) 1. 0 Si 3 +4 1 a 0.551(7) 0.842(4) 0.080(5) 1. 0 Si 4 +4 1 a 0.571(8) 0.171(4) 0.069(5) 1. 0 O 1 -2 1 a 0.11 0.342 0.307 1. 0 O 2 -2 1 a 0.156(7) 0.659(4) 0.289(5) 1. 0 O 3 -2 1 a 0.089(6) 0.487(3) -.022(4) 1. 0 O 4 -2 1 a 0.261(6) 0.227(3) -.018(4) 1. 0 O 5 -2 1 a 0.242(7) 0.765(3) -.029(4) 1. 0 O 6 -2 1 a 0.626(9) 0.845(5) 0.296(5) 1. 0 O 7 -2 1 a 0.685(7) 0.154(3) 0.311(4) 1. 0 O 8 -2 1 a 0.549(6) -.001(3) -.019(4) 1. 0 O 9 -2 1 a 0.772(6) 0.720(3) 0.038(4) 1. 0 O 10 -2 1 a 0.772(6) 0.260(4) -.014(4) 1. 0 O 11 -2 1 a 0.116(7) -.033(4) 0.312(5) 1. 0 O 12 -2 1 a 0.018(7) 0.170(4) 0.583(4) 1. 0 O 13 -2 1 a 0.126(6) 0.469(3) 0.589(4) 1. 0 O 14 -2 1 a 0.106(6) 0.837(4) 0.597(4) 1. 0 O 15 -2 1 a 0.609(7) 0.465(4) 0.308(4) 1. 0 O 16 -2 1 a 0.525(7) 0.657(3) 0.597(4) 1. 0 O 17 -2 1 a 0.593(6) -.028(4) 0.581(4) 1. 0 O 18 -2 1 a 0.590(6) 0.367(3) 0.591(4) 1. 0 H 1 +1 1 a 0.237(7) 0.068(4) 0.343(5) 1. 0 H 2 +1 1 a 0.159(8) 0.185(4) 0.712(6) 1. 0 H 3 +1 1 a 0.063(7) 0.527(4) 0.704(5) 1. 0 H 4 +1 1 a 0.078(8) 0.832(4) 0.713(5) 1. 0 H 5 +1 1 a 0.682(8) 0.552(4) 0.256(5) 1. 0 H 6 +1 1 a 0.620(7) 0.650(4) 0.726(5) 1. 0 H 7 +1 1 a 0.593(7) -.021(4) 0.722(5) 1. 0 H 8 +1 1 a 0.611(7) 0.292(4) 0.700(5) 1. 0 *end for ICSD #63316 |
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