data_9010003 _chemical_name 'Nickeline' loop_ _publ_author_name 'Thompson J G' 'Rae A D' 'Withers R L' 'Welberry T R' 'Willis A C' _journal_name_full "Journal of Physics C: Solid State Physics" _journal_volume 21 _journal_year 1988 _journal_page_first 4007 _journal_page_last 4015 _publ_section_title ; The crystal structure of nickel arsenide Locality: synthetic Note: room temperature, solution 1 ; _chemical_formula_sum 'Ni As' _cell_length_a 10.8568 _cell_length_b 6.2682 _cell_length_c 5.0340 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 342.577 _symmetry_space_group_name_H-M 'C m c 21' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,z' '1/2-x,1/2+y,z' '-x,-y,1/2+z' '1/2-x,1/2-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ni1 0.00000 0.00290 -0.00110 Ni2 0.33330 -0.00700 0.00060 As1 0.00000 0.33330 0.74190 As2 0.33330 0.33330 0.75410