data_global _chemical_name_mineral 'Phosphorus' loop_ _publ_author_name 'Cartz L' 'Srinivasa S R' 'Riedner R J' 'Jorgensen J D' 'Worlton T G' _journal_name_full 'Journal of Chemical Physics' _journal_volume 71 _journal_year 1979 _journal_page_first 1718 _journal_page_last 1721 _publ_section_title ; Effect of pressure on bonding in black phosphorus Sample: at P = 1.02 GPa Note: pressures calculated from the measured unit cell volume ; _database_code_amcsd 0013011 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'P' _cell_length_a 3.3109 _cell_length_b 10.319 _cell_length_c 4.317 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 147.491 _exptl_crystal_density_diffrn 2.790 _symmetry_space_group_name_H-M 'C m c a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,1/2+y,1/2-z' '1/2+x,+y,1/2-z' '-x,1/2-y,1/2+z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z P 0.00000 0.10450 0.07940