data_1100388 _chemical_formula_sum 'C8 H4 Cl1 N1 O2' _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_Int_Tables_number 19 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 1/2+x,1/2-y,-z 3 -x,1/2+y,1/2-z 4 1/2-x,-y,1/2+z _cell_length_a 5.728(1) _cell_length_b 6.275(1) _cell_length_c 20.725(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 loop_ _atom_type_symbol _atom_type_radius_bond C 0.68 H 0.23 Cl 0.99 N 0.68 O 0.68 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cl1 Cl 0.14421(11) 0.68523(9) 0.54597(3) O1 O -0.0564(3) 0.4309(3) 0.65779(8) O2 O 0.5643(3) 0.4029(3) 0.51859(8) N1 N 0.2406(4) 0.4640(3) 0.58262(9) C1 C 0.1214(4) 0.3661(3) 0.63379(10) C2 C 0.2625(4) 0.1762(4) 0.64937(10) C3 C 0.2279(5) 0.0240(4) 0.69667(11) C4 C 0.3931(5) -0.1347(4) 0.70194(12) C5 C 0.5874(5) -0.1413(4) 0.66166(12) C6 C 0.6203(5) 0.0114(4) 0.61410(12) C7 C 0.4557(4) 0.1687(4) 0.60828(10) C8 C 0.4417(4) 0.3525(4) 0.56294(10) H1 H 0.0989(44) 0.0309(49) 0.7250(12) H2 H 0.3738(45) -0.2406(42) 0.7345(12) H3 H 0.6888(48) -0.2561(40) 0.6650(13) H4 H 0.7520(44) 0.0109(40) 0.5857(12)