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linhua0402313
°æÖ÷ (ÎÄ̳¾«Ó¢)
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¿Õ¼äȺI2/a (µ¥Ð±)£¬ data_247225-ICSD _database_code_ICSD 247225 _audit_creation_date 2010/08/01 _chemical_name_systematic 'Lanthanum Cobaltate(III)' _chemical_formula_structural 'La Co O3' _chemical_formula_sum 'Co1 La1 O3' _publ_section_title ; Correlation between the structural distortions and thermoelectric characteristics in La(1-x) A(x) Co O3 (A = Ca and Sr) ; 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 'Inorganic Chemistry' 2010 49 7 3216 3223 INOCAJ 2 'Journal of Solid State Chemistry' 2004 177- 1000 1010 JSSCBI _publ_author_name ; Wang Yang;Sui Yu;Ren Peng;Wang Lan;Wang Xianjie;Su Wenhui;Fan Hong Jin ; _cell_length_a 5.3682(3) _cell_length_b 5.4326(4) _cell_length_c 7.6386(5) _cell_angle_alpha 90 _cell_angle_beta 90.9818(7) _cell_angle_gamma 90 _cell_volume 222.73 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'I 1 2/a 1' _symmetry_Int_Tables_number 15 _refine_ls_R_factor_all .0258 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x+.5, -y, z' 2 '-x, -y, -z' 3 '-x+.5, y, -z' 4 'x, y, z' 5 'x, -y+.5, z+.5' 6 '-x+.5, -y+.5, -z+.5' 7 '-x, y+.5, -z+.5' 8 'x+.5, y+.5, z+.5' loop_ _atom_type_symbol _atom_type_oxidation_number Co3+ 3 La3+ 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 La1 La3+ 4 e 0.25 0.24911(14) 0 1. 0 0.18(2) Co1 Co3+ 4 c 0.75 0.25 0.25 1. 0 0.39(3) O1 O2- 4 e 0.25 -0.29973(16) 0 1. 0 0.52(3) O2 O2- 8 f 0.02129(13) 0.03604(14) 0.22865(24) 1. 0 0.65(3) #End of data_247225-ICSD |

2Â¥2012-04-08 22:40:32
linhua0402313
°æÖ÷ (ÎÄ̳¾«Ó¢)
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R-3C¿Õ¼äȺµÄ data_201766-ICSD _database_code_ICSD 201766 _audit_creation_date 1986/12/03 _audit_update_record 2005/10/01 _chemical_name_systematic 'Lanthanum Cobalt Oxide' _chemical_formula_structural 'La Co O3' _chemical_formula_sum 'Co1 La1 O3' _publ_section_title ; A neutron diffraction study of La Co O3 in the temperature range 4.2 < T < 1248 K ; loop_ _citation_id _citation_journal_abbrev _citation_year _citation_journal_volume _citation_page_first _citation_page_last _citation_journal_id_ASTM primary 'Journal of Solid State Chemistry' 1986 61 301 307 JSSCBI _publ_author_name ; Thornton, G.;Tofield, B.C.;Hewat, A.W. ; _cell_length_a 5.5001(2) _cell_length_b 5.5001(2) _cell_length_c 5.5001(2) _cell_angle_alpha 60.357(2) _cell_angle_beta 60.357(2) _cell_angle_gamma 60.357(2) _cell_volume 118.6 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'R -3 c R' _symmetry_Int_Tables_number 167 _refine_ls_R_factor_all .114 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 '-x+.5, -z+.5, -y+.5' 2 '-z+.5, -y+.5, -x+.5' 3 '-y+.5, -x+.5, -z+.5' 4 'x+.5, z+.5, y+.5' 5 'z+.5, y+.5, x+.5' 6 'y+.5, x+.5, z+.5' 7 '-z, -x, -y' 8 '-y, -z, -x' 9 '-x, -y, -z' 10 'z, x, y' 11 'y, z, x' 12 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number Co3+ 3 La3+ 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 La1 La3+ 2 a 0.25 0.25 0.25 1. 0 Co1 Co3+ 2 b 0 0 0 1. 0 O1 O2- 6 e 0.2070(4) 0.2930(4) 0.75 1. 0 loop_ _atom_site_aniso_label _atom_site_aniso_type_symbol _atom_site_aniso_B_11 _atom_site_aniso_B_22 _atom_site_aniso_B_33 _atom_site_aniso_B_12 _atom_site_aniso_B_13 _atom_site_aniso_B_23 La1 La3+ 1.73(3) 1.73(3) 1.73(3) -.56(2) -.56(2) -.56(2) Co1 Co3+ 1.33(7) 1.33(7) 1.33(7) -.43(5) -.43(5) -.43(5) O1 O2- 2.51(3) 2.51(3) 3.27(8) -1.61(3) -.48(3) -.48(3) #End of data_201766-ICSD |

3Â¥2012-04-08 22:41:31
linhua0402313
°æÖ÷ (ÎÄ̳¾«Ó¢)
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liuhaifeng7758: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл°ï棡 2012-04-09 08:50:21
liuhaifeng7758: ½ð±Ò+20, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл°ï棡 2012-04-09 08:50:21
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4Â¥2012-04-08 22:42:30













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