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zilongchn木蟲 (正式寫手)
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[求助]
請問,Diamond畫晶體結(jié)構(gòu)圖問題
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LiMnO2材料,正交結(jié)構(gòu) 以下是其詳細(xì)參數(shù)信息,好像Li Mn的原子占位怎么一樣啊,用Diamond畫得時候,原子都連在一起了 先謝謝了 Unit Cell 4.5780(2) 5.7488(3) 2.8054(1) 90. 90. 90. Vol 73.83 Z 2 Space Group P m n m Z SG Number 59 Cryst Sys orthorhombic Pearson oP8 Wyckoff b2 a2 R Value .055 Red Cell P 2.805 4.578 5.748 90 90 90 73.833 Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000 Comments Statements on the sample composition are ambiguous Rietveld profile refinement applied X-ray diffraction (powder) Atom # OX SITE x y z SOF H ITF(B) Mn 1 +3 2 a 0.25 0.630(1) 0.25 0.929(3) 0 0.5 Li 1 +1 2 a 0.25 0.630(1) 0.25 0.071(3) 0 0.5 Mn 2 +3 2 a 0.25 0.099(5) 0.25 0.071(3) 0 1. Li 2 +1 2 a 0.25 0.099(5) 0.25 0.929(3) 0 1. O 1 -2 2 b 0.75 0.132(6) 0.25 1. 0 1. O 2 -2 2 b 0.75 0.612(5) 0.25 1. 0 1. *end for ICSD #81049 |

銀蟲 (正式寫手)
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data_81049-ICSD #?2008 by Fachinformationszentrum Karlsruhe, and the U.S. Secretary of #Commerce on behalf of the United States. All rights reserved. _database_code_ICSD 81049 _audit_creation_date 1997/05/13 _chemical_name_systematic 'Lithium Manganese(III) Oxide' _chemical_formula_structural 'Li Mn O2' _chemical_formula_sum 'Li1 Mn1 O2' _publ_section_title ; Preparation, physical and structural characterization of Li Mn O2 samples with variable cationic disorder ; loop_ _citation_id _citation_journal_abbrev _citation_year _citation_journal_volume _citation_journal_issue _citation_page_first _citation_page_last _citation_journal_id_ASTM primary 'Journal of Materials Chemistry' 1995 5 5 1919 1925 JMACEP _publ_author_name ; Croguennec, L.;Deniard, P.;Brec, R.;Lecerf, A. ; _cell_length_a 4.5780(2) _cell_length_b 5.7488(3) _cell_length_c 2.8054(1) _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_volume 73.83 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P m n m Z' _symmetry_Int_Tables_number 59 _refine_ls_R_factor_all .055 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x+.5, -y, z+.5' 2 '-x, -y, z+.5' 3 'x+.5, -y, -z' 4 '-x, -y, -z' 5 '-x+.5, y, -z+.5' 6 'x, y, -z+.5' 7 '-x+.5, y, z' 8 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number Li1+ 1 Mn3+ 3 O2- -2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_B_iso_or_equiv Mn1 Mn3+ 2 a 0.25 0.630(1) 0.25 0.929(3) 0 0.5 Li1 Li1+ 2 a 0.25 0.630(1) 0.25 0.071(3) 0 0.5 Mn2 Mn3+ 2 a 0.25 0.099(5) 0.25 0.071(3) 0 1. Li2 Li1+ 2 a 0.25 0.099(5) 0.25 0.929(3) 0 1. O1 O2- 2 b 0.75 0.132(6) 0.25 1. 0 1. O2 O2- 2 b 0.75 0.612(5) 0.25 1. 0 1. #End of data_81049-ICSD 用這個數(shù)據(jù)試試,Li和Mn可能是無序的吧,所以位置是有相同 |
木蟲 (正式寫手)

銀蟲 (正式寫手)
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