# CIF generated by HEAS from Alexandria entry agm005809639 data_agm005809639 _cell_length_a 3.84003 _cell_length_b 3.84003 _cell_length_c 13.41648 _cell_angle_alpha 90.00054 _cell_angle_beta 90.00054 _cell_angle_gamma 90.00022 _cell_volume 197.83685 _symmetry_space_group_name_H-M 'P 1' _symmetry_Int_Tables_number 1 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ca1 Ca 0.49996 0.49996 0.85625 1.00000 Ca2 Ca 0.50004 0.50004 0.14375 1.00000 Ca3 Ca 0.99995 0.99995 0.63502 1.00000 Ca4 Ca 0.00005 0.00005 0.36498 1.00000 Tl1 Tl 0.00000 0.00000 0.00000 1.00000 Hg1 Hg 0.50000 0.50000 0.50000 1.00000