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hhp102鐵桿木蟲 (小有名氣)
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[求助]
LaAlO3的原子坐標(biāo)
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| 知道LaAlO3空間群是R-3C, 但不知道各個(gè)原子的分?jǐn)?shù)坐標(biāo),有誰告訴我呢?謝謝了。 |
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呵呵,樓主是做什么方向的?有 La 的體系不好算吧 _cell_length_a 3.789 _cell_length_b 3.789 _cell_length_c 3.789 _cell_angle_alpha 90.12 _cell_angle_beta 90.12 _cell_angle_gamma 90.12 _cell_volume 54.4 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'R 3 m R' _symmetry_Int_Tables_number 160 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'z, y, x' 2 'z, x, y' 3 'x, z, y' 4 'y, z, x' 5 'y, x, z' 6 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number Al3+ 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+ 1 a 0 0 0 1. 0 Al1 Al3+ 1 a 0.5 0.5 0.5 1. 0 O1 O2- 3 b 0.5 0.5 0 1. 0 |
鐵桿木蟲 (小有名氣)
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看看是不是這個(gè)吧 _cell_length_a 5.37291(9) _cell_length_b 5.37291(9) _cell_length_c 13.1410(2) _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 120. _cell_volume 328.53 _cell_formula_units_Z 6 _symmetry_space_group_name_H-M 'R -3 c H' _symmetry_Int_Tables_number 167 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x-y, -y, -z+.5' 2 '-x, -x+y, -z+.5' 3 'y, x, -z+.5' 4 'x-y, x, -z' 5 'y, -x+y, -z' 6 '-x, -y, -z' 7 '-x+y, y, z+.5' 8 'x, x-y, z+.5' 9 '-y, -x, z+.5' 10 '-x+y, -x, z' 11 '-y, x-y, z' 12 'x, y, z' 13 'x-y+.6666, -y+.3333, -z+.8333' 14 'x-y+.3333, -y+.6666, -z+.1666' 15 '-x+.6666, -x+y+.3333, -z+.8333' 16 '-x+.3333, -x+y+.6666, -z+.1666' 17 'y+.6666, x+.3333, -z+.8333' 18 'y+.3333, x+.6666, -z+.1666' 19 'x-y+.6666, x+.3333, -z+.3333' 20 'x-y+.3333, x+.6666, -z+.6666' 21 'y+.6666, -x+y+.3333, -z+.3333' 22 'y+.3333, -x+y+.6666, -z+.6666' 23 '-x+.6666, -y+.3333, -z+.3333' 24 '-x+.3333, -y+.6666, -z+.6666' 25 '-x+y+.6666, y+.3333, z+.8333' 26 '-x+y+.3333, y+.6666, z+.1666' 27 'x+.6666, x-y+.3333, z+.8333' 28 'x+.3333, x-y+.6666, z+.1666' 29 '-y+.6666, -x+.3333, z+.8333' 30 '-y+.3333, -x+.6666, z+.1666' 31 '-x+y+.6666, -x+.3333, z+.3333' 32 '-x+y+.3333, -x+.6666, z+.6666' 33 '-y+.6666, x-y+.3333, z+.3333' 34 '-y+.3333, x-y+.6666, z+.6666' 35 'x+.6666, y+.3333, z+.3333' 36 'x+.3333, y+.6666, z+.6666' loop_ _atom_type_symbol _atom_type_oxidation_number Al3+ 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+ 6 a 0. 0. 0.250 1. 0 Al1 Al3+ 6 b 0. 0. 0. 1. 0 O1 O2- 18 e 0.5218(3) 0. 0.250 1. 0 |
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