#------------------------------------------------------------------------------ #$Date: 2008-01-13 23:15:36 +0100 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2012908.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2012908 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2002 _journal_volume 58 _journal_page_first o463 _journal_page_last o466 _publ_section_title ; 2,6-Diiodo-4-nitrophenol, 2,6-diiodo-4-nitrophenyl acetate and 2,6-diiodo-4-nitroanisole: interplay of hydrogen bonds, iodo...nitro interactions and aromatic \p...\p stacking interactions to give supramolecular structures in one, two and three dimensions ; loop_ _publ_author_name 'Garden, Simon J.' 'da Cunha, Fernanda R. ' 'Wardell, James L.' 'Skakle, Janet M. S.' 'Low, John N.' 'Glidewell, Christopher' _chemical_formula_moiety 'C8 H5 I2 N O4' _chemical_formula_sum 'C8 H5 I2 N O4' _chemical_formula_weight 432.93 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P n m a' _symmetry_space_group_name_Hall '-P 2ac 2n' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' 'x+1/2, -y+1/2, -z+1/2' '-x, y+1/2, -z' '-x, -y, -z' 'x+1/2, y, -z+1/2' '-x+1/2, y+1/2, z+1/2' 'x, -y+1/2, z' _cell_length_a 8.0608(9) _cell_length_b 12.4501(14) _cell_length_c 11.6790(13) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1172.1(2) _cell_formula_units_Z 4 _cell_measurement_temperature 292(2) _exptl_crystal_density_diffrn 2.453 _diffrn_ambient_temperature 292(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol C1 0.1503(5) 0.2500 0.1689(3) 0.0376(7) Uani d S 1 . . C O1 0.1962(3) 0.2500 0.0539(2) 0.0406(6) Uani d S 1 . . O C11 0.0705(6) 0.2500 -0.0268(3) 0.0447(9) Uani d S 1 . . C O12 -0.0711(5) 0.2500 0.0010(3) 0.0801(14) Uani d S 1 . . O C12 0.1402(6) 0.2500 -0.1442(3) 0.0548(12) Uani d S 1 . . C C2 0.1341(3) 0.3471(2) 0.2269(2) 0.0407(6) Uani d . 1 . . C I2 0.16877(4) 0.49229(2) 0.14194(2) 0.06767(17) Uani d . 1 . . I C3 0.1006(4) 0.3473(3) 0.3440(2) 0.0444(6) Uani d . 1 . . C C4 0.0833(5) 0.2500 0.3985(3) 0.0436(9) Uani d S 1 . . C N4 0.0485(5) 0.2500 0.5223(3) 0.0540(10) Uani d S 1 . . N O4 0.0328(4) 0.3362(3) 0.5705(2) 0.0765(9) Uani d . 1 . . O H12A 0.0605 0.2202 -0.1963 0.082 Uiso calc PR 0.50 . . H H12B 0.2395 0.2075 -0.1457 0.082 Uiso calc PR 0.50 . . H H12C 0.1657 0.3223 -0.1666 0.082 Uiso calc PR 0.50 . . H H3 0.0903 0.4114 0.3842 0.053 Uiso calc R 1 . . H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 C1 0.0379(18) 0.048(2) 0.0274(15) 0.000 0.0006(13) 0.000 O1 0.0390(14) 0.0558(17) 0.0270(12) 0.000 0.0029(10) 0.000 C11 0.052(2) 0.051(2) 0.0312(17) 0.000 0.0005(16) 0.000 O12 0.0437(18) 0.150(5) 0.0464(19) 0.000 -0.0016(15) 0.000 C12 0.064(3) 0.072(3) 0.0288(18) 0.000 -0.0013(17) 0.000 C2 0.0430(14) 0.0448(14) 0.0344(12) 0.0022(11) -0.0010(10) 0.0007(10) I2 0.1028(3) 0.04586(18) 0.0543(2) 0.00141(11) 0.00652(12) 0.00583(9) C3 0.0461(14) 0.0547(17) 0.0323(12) 0.0030(13) -0.0015(11) -0.0046(11) C4 0.0371(19) 0.068(3) 0.0255(15) 0.000 -0.0045(14) 0.000 N4 0.0471(19) 0.089(3) 0.0262(15) 0.000 -0.0035(13) 0.000 O4 0.088(2) 0.103(2) 0.0381(12) -0.0214(16) 0.0074(12) -0.0237(14) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag C1 C2 8_555 1.392(3) no C1 C2 . 1.392(3) no C1 O1 . 1.393(4) no O1 C11 . 1.385(5) no C11 O12 . 1.186(6) no C11 C12 . 1.481(6) no C12 H12A . 0.9600 no C12 H12B . 0.9600 no C12 H12C . 0.9600 no C2 C3 . 1.394(4) no C2 I2 . 2.080(3) no C3 C4 . 1.375(4) no C3 H3 . 0.9300 no C4 C3 8_555 1.375(4) no C4 N4 . 1.474(5) no N4 O4 . 1.218(3) no N4 O4 8_555 1.218(3) no