#------------------------------------------------------------------------------ #$Date: 2008-01-26 17:25:03 +0000 (Sat, 26 Jan 2008) $ #$Revision: 20 $ #$URL: svn://www.crystallography.net/cod/cif/1/1006142.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1006142 _chemical_name_systematic 'Lanthanum manganate(III)' _chemical_formula_structural 'La (Mn O3)' _chemical_formula_sum 'La Mn O3' _publ_section_title ; Neutron-diffraction of the Jahn-Teller transition in stoichiometricLa Mn O3 ; loop_ _publ_author_name 'Rodriguez-Carvajal, J' 'Hennion, M' 'Moussa, F' 'Moudden, A H' 'Pinsard, L' 'Revcolevschi, A' _journal_name_full ; Physical Review, Serie 3. B - Condensed Matter (18,1978-) ; _journal_coden_ASTM PRBMDO _journal_volume 57 _journal_year 1998 _journal_page_first 3189 _journal_page_last 3192 _cell_length_a 5.5520(2) _cell_length_b 5.7269(2) _cell_length_c 7.7365(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 246.0 _cell_formula_units_Z 4 _diffrn_ambient_temperature 573 _symmetry_space_group_name_H-M 'P b n m' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,1/2+y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,-z' '-x,-y,-z' '1/2+x,1/2-y,1/2+z' 'x,y,1/2-z' '1/2-x,1/2+y,z' loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 Mn3+ 3.000 O2- -2.000 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_calc_flag La1 La3+ 4 c -0.0063(3) 0.0443(2) 0.25 1. 0 d Mn1 Mn3+ 4 a 0.5 0. 0. 1. 0 d O1 O2- 4 c 0.0725(3) 0.4885(3) 0.25 1. 0 d O2 O2- 8 d 0.7257(2) 0.3038(2) 0.0378(2) 1. 0 d _refine_ls_R_factor_all 0.0104