#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/8/10/11/8101139.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_8101139 loop_ _publ_author_name 'Zheng, Chong' 'Mattausch, Hansj\"urgen' 'Simon, Arndt' _publ_section_title ; Refinement of the crystal structure of lanthanum digallide, LaGa~2~ ; _journal_issue 4 _journal_name_full 'Zeitschrift f\"ur Kristallographie - New Crystal Structures' _journal_page_first 497 _journal_page_last 497 _journal_volume 216 _journal_year 2001 _chemical_formula_sum 'Ga2 La' _chemical_formula_weight 278.35 _space_group_IT_number 191 _symmetry_cell_setting hexagonal _symmetry_space_group_name_Hall '-P 6 2' _symmetry_space_group_name_H-M 'P 6/m m m' _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 120.00 _cell_formula_units_Z 1 _cell_length_a 4.3092(6) _cell_length_b 4.3092(6) _cell_length_c 4.4251(9) _cell_measurement_temperature 293(2) _cell_volume 71.16(2) _diffrn_ambient_temperature 293(2) _exptl_crystal_density_diffrn 6.495 _cod_database_code 8101139 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z' '-y, x-y, z' '-x+y, -x, z' 'x-y, x, z' 'y, -x+y, z' 'x-y, -y, -z' '-x, -x+y, -z' 'y, x, -z' '-y, -x, -z' 'x, x-y, -z' '-x+y, y, -z' '-x, -y, -z' 'x, y, -z' 'y, -x+y, -z' 'x-y, x, -z' '-x+y, -x, -z' '-y, x-y, -z' '-x+y, y, z' 'x, x-y, z' '-y, -x, z' 'y, x, z' '-x, -x+y, z' 'x-y, -y, z' 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_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group La La 0.0000 0.0000 0.0000 0.0060(2) Uani 1 1 a d S . . Ga Ga 0.6667 0.3333 0.5000 0.0095(2) Uani 1 2 d d S . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 La 0.0056(2) 0.0056(2) 0.0069(3) 0.000 0.000 0.00280(12) Ga 0.0051(3) 0.0051(3) 0.0184(5) 0.000 0.000 0.00254(14) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag La Ga 3.3294(4) 13_666 ? La Ga 3.3294(4) 13 ? La Ga 3.3294(4) 1_444 ? La Ga 3.3294(4) 13_556 ? La Ga 3.3294(4) 1_554 ? La Ga 3.3294(4) 1_445 ? La Ga 3.3294(4) 13_665 ? La Ga 3.3294(4) . ? La Ga 3.3294(4) 13_655 ? La Ga 3.3294(4) 1_454 ? La Ga 3.3294(4) 1_455 ? La Ga 3.3294(4) 13_656 ? Ga Ga 2.4879(3) 13_666 ? Ga Ga 2.4879(3) 13_766 ? Ga Ga 2.4879(3) 13_656 ? Ga La 3.3294(4) 1_666 ? Ga La 3.3294(4) 1_655 ? Ga La 3.3294(4) 1_656 ? Ga La 3.3294(4) 1_665 ? Ga La 3.3294(4) 1_556 ?