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sunxu木蟲 (著名寫手)
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[求助]
求助一個六方Cu2S的晶體結構 已有1人參與
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大家好,最近由于計算需要,急需一個六方Cu2S的晶體結構。(JCPDS card No.84-0208 ).我在Find It里面找到了10個六方Cu2S的數(shù)據(jù),但是沒有我需要的這個卡片號,而且畫出來的結構都不一樣呃,而且目前查到的文獻里面的結構也是不一樣的,所以求助一個六方Cu2S的晶體結構,或者是結構參數(shù)原子坐標。 如果大家有了解的,請聯(lián)系我吧~謝謝 |
榮譽版主 (職業(yè)作家)
小木蟲從頭派教主
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*data for ICSD #95397 Coll Code 95397 Rec Date 2003/10/01 Chem Name Dicopper(I) Sulfide - Ht Structured Cu2 S Sum Cu2 S1 ANX A2X Min Name Chalcocite high D(calc) 5.57 Title Crystal structure analysis and refinement of digenite, Cu1.8 S, in the temperature range 20 to 500 C under controlled sulfur partial pressure Author(s) Will, G.;Hinze, E.;Abdel, Rahman.A.M. Reference European Journal of Mineralogy (1,1989-) (2002), 14, 591-598 Unit Cell 4.033(7) 4.033(7) 6.739(21) 90 90 120 Vol 94.93 Z 2 Space Group P 63/m m c SG Number 194 Cryst Sys hexagonal Pearson hP6 Wyckoff h g f c b a R Value .026 Red Cell P 4.033 4.033 6.739 90 90 120 94.925 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Total SOF on at least one site differs from unity (SOF < 0.997 resp. SOF > 1.003) Compound with mineral name: Chalcocite high Rietveld profile refinement applied Temperature in Kelvin: 573 X-ray diffraction (powder) Atom # OX SITE x y z SOF H ITF(B) S 1 -2 2 c 0.3333 0.6667 0.250 1. 0 3.0 Cu 1 +1 2 b 0. 0. 0.250 0.52 0 4.5 Cu 2 +1 4 f 0.3333 0.6667 0.585 0.285 0 4.5 Cu 3 +1 6 g 0. 0.5 0. 0.1617 0 4.5 Cu 4 +1 6 h 0.183 0.366 0.250 0.125 0 4.5 Cu 5 +1 2 a 0. 0. 0. 0.05 0 4.5 *end for ICSD #95397 |

木蟲 (著名寫手)
榮譽版主 (職業(yè)作家)
小木蟲從頭派教主

木蟲 (著名寫手)
榮譽版主 (職業(yè)作家)
小木蟲從頭派教主

鐵桿木蟲 (正式寫手)
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84-0208PDF卡片的數(shù)據(jù)如下: PDF#84-0208: QM=Doubtful(?); d=Other/Unknown; I=(Unknown) Chalcocite Cu2S Radiation=CuKa1 Lambda=1.5406 Filter= Calibration= d-Cutoff= I/Ic(RIR)=1.0 Ref= Level-1 PDF Hexagonal, P63/mmc(194) Z=2 mp= Cell=3.974x3.974x6.809<90x90x120> Pearson= Density(c)=5.675 Density(m)= Mwt= Vol= Ref= Ibid. Strong Line: 1.99/X 1.89/9 2.42/7 1.72/3 3.40/1 3.07/1 1.29/1 1.67/1 d(A) I(f) I(v) h k l n^2 2-Theta Theta 1/(2d) 2pi/d 3.441 0.5 0.3 1 0 0 25.866 12.933 0.1453 1.8257 3.404 13.9 8.1 0 0 2 26.153 13.077 0.1469 1.8456 3.071 10.5 6.8 1 0 1 29.047 14.524 0.1628 2.0456 2.420 73.4 60.3 1 0 2 37.114 18.557 0.2066 2.5960 1.987 100.0 100.0 1 1 0 45.618 22.809 0.2516 3.1621 1.894 93.0 97.5 1 0 3 47.975 23.987 0.2639 3.3161 1.716 28.7 33.2 1 1 2 53.340 26.670 0.2914 3.6613 1.702 5.6 6.5 0 0 4 53.809 26.905 0.2937 3.6911 1.668 6.1 7.3 2 0 1 54.994 27.497 0.2997 3.7661 1.535 4.3 5.6 2 0 2 60.207 30.103 0.3256 4.0913 1.525 1.4 1.8 1 0 4 60.641 30.320 0.3277 4.1179 1.371 4.3 6.2 2 0 3 68.352 34.176 0.3646 4.5821 1.300 0.9 1.4 2 1 0 72.621 36.310 0.3844 4.8302 1.292 7.9 12.1 1 1 4 73.147 36.574 0.3868 4.8604 1.277 3.5 5.4 2 1 1 74.151 37.076 0.3913 4.9176 1.266 0.1 0.2 1 0 5 74.934 37.467 0.3949 4.9620 1.215 0.2 0.3 2 1 2 78.679 39.339 0.4115 5.1708 1.210 0.1 0.2 2 0 4 79.063 39.531 0.4132 5.1919 1.147 1.9 3.3 3 0 0 84.357 42.179 0.4358 5.4770 1.134 1.8 3.2 0 0 6 85.494 42.747 0.4406 5.5367 1.131 1.0 1.8 3 0 1 85.830 42.915 0.4420 5.5542 1.128 2.3 4.0 2 1 3 86.082 43.041 0.4430 5.5673 我找到的cif文件內容如下: #### CIF created by Crystallographica 2 #### data_CopperISulfide _audit_creation_method 'Crystallographica 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 3.974 _cell_length_b 3.974 _cell_length_c 6.809 _cell_volume 93.1257 _cgraph_comments 'Mobile ion distribution and anharmonic thermal motion in fast ion conducting Cu2 S ' _cgraph_title 'Copper(I) Sulfide' _chemical_formula_sum 'Cu2 S' _symmetry_space_group_name_H-M 'P 63/m m c' _symmetry_space_group_name_Hall '-P 6c 2c' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' 'x-y, x, z+1/2' '-x+y, -x, -z+1/2' '-y, x-y, z' 'y, -x+y, -z' '-x, -y, z+1/2' 'x, y, -z+1/2' '-x+y, -x, z' 'x-y, x, -z' 'y, -x+y, z+1/2' '-y, x-y, -z+1/2' 'x-y, -y, -z' '-x+y, y, z' '-x, -x+y, -z' 'x, x-y, z' 'y, x, -z' '-y, -x, z' '-y, -x, -z+1/2' 'y, x, z+1/2' '-x+y, y, -z+1/2' 'x-y, -y, z+1/2' 'x, x-y, -z+1/2' '-x, -x+y, z+1/2' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy S1 S 0.66667 0.33333 0.25 0.0397686 Uiso 1 Cu1 Cu1+ 0 0 0.25 0 Uani 0.705 Cu2 Cu1+ 0.2611 0.5222 0.4327 0 Uani 0.2158 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Cu1 0.07 0.07 0.094 0.035 0 0 Cu2 0.127 0.127 0.058 0.0635 0.0015 0.003 _eof #### End of Crystallographic Information File #### 將該cif文件導入MS,查看對稱性,所有數(shù)據(jù)與PDF卡片中數(shù)據(jù)完全對應,應該是這個結構。希望對你有幫助。 |
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