data_2006990 _journal_name_full 'Acta Crystallographica' _journal_year 1998 _journal_volume C54 _journal_page_first 251 _journal_page_last 253 _publ_section_title ; Electronic Effects on C---O---C Ether Bonds in 3-Aryloxy Derivatives of Benzisothiazole 1,1-Dioxides: Rapid Ethanolysis of 3-(4-Nitrophenoxy)-1,2-benzisothiazole 1,1-Dioxide, (1), to give 3- Ethoxy-1,2-benzisothiazole 1,1-Dioxide, (2) ; loop_ _publ_author_name ' Brigas, Amadeu F. ' 'Goncalves, Pedro M.' 'Johnstone, Robert A.W.' _chemical_formula_sum 'C9 H9 N O3 S' _chemical_formula_weight 211.23 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/n' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' _cell_length_a 7.149(4) _cell_length_b 8.178(5) _cell_length_c 16.556(3) _cell_angle_alpha 90.00 _cell_angle_beta 93.15(3) _cell_angle_gamma 90.00 _cell_volume 966.5(8) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 1.452 _diffrn_ambient_temperature 293(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 S1 .25157(12) .72651(9) .61628(5) .0468(3) Uani d . 1 . . S O1 .2763(3) .7788(2) .39651(12) .0465(5) Uani d . 1 . . O O2 .4197(4) .6894(3) .66264(14) .0692(8) Uani d . 1 . . O O3 .0806(4) .6666(3) .64597(14) .0667(7) Uani d . 1 . . O N1 .2698(4) .6635(3) .52269(15) .0445(7) Uani d . 1 . . N C1 .2668(4) .7887(4) .47522(18) .0384(7) Uani d . 1 . . C C2 .2883(5) .6136(4) .3628(2) .0576(9) Uani d . 1 . . C H2A .1805 .5493 .3766 .069 Uiso calc R 1 . . H H2B .4007 .5592 .3845 .069 Uiso calc R 1 . . H C3 .2931(7) .6302(5) .2739(2) .0802(13) Uani d . 1 . . C H3A .3015 .5237 .2499 .120 Uiso calc R 1 . . H H3B .4001 .6941 .2610 .120 Uiso calc R 1 . . H H3C .1809 .6835 .2531 .120 Uiso calc R 1 . . H C4 .2508(4) .9522(3) .51095(17) .0358(7) Uani d . 1 . . C C5 .2390(4) .9367(3) .59378(18) .0394(7) Uani d . 1 . . C C6 .2208(5) 1.0692(4) .6434(2) .0533(9) Uani d . 1 . . C H6 .2126 1.0574 .6989 .064 Uiso calc R 1 . . H C7 .2152(5) 1.2217(4) .6068(2) .0601(9) Uani d . 1 . . C H7 .2026 1.3147 .6384 .072 Uiso calc R 1 . . H C8 .2280(5) 1.2380(4) .5245(2) .0571(9) Uani d . 1 . . C H8 .2243 1.3419 .5016 .068 Uiso calc R 1 . . H C9 .2461(4) 1.1038(4) .4752(2) .0460(8) Uani d . 1 . . C H9 .2548 1.1154 .4197 .055 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 S1 .0642(5) .0356(4) .0409(4) .0034(4) .0045(4) .0038(4) O1 .0608(14) .0398(11) .0394(12) .0049(11) .0070(10) -.0007(10) O2 .0848(18) .0640(17) .0563(15) .0232(14) -.0182(13) .0075(12) O3 .0854(18) .0559(15) .0613(16) -.0154(13) .0264(13) .0071(12) N1 .0606(18) .0310(14) .0421(16) .0029(12) .0048(13) .0022(12) C1 .0362(16) .0369(16) .0420(17) .0013(13) .0032(13) .0008(14) C2 .076(3) .044(2) .053(2) .0083(17) .0109(18) -.0060(16) C3 .129(4) .066(3) .045(2) .021(2) .005(2) -.0090(19) C4 .0320(16) .0325(16) .0427(18) .0007(12) .0010(13) .0006(13) C5 .0379(17) .0341(17) .0458(19) .0017(13) -.0003(14) .0013(13) C6 .067(2) .043(2) .049(2) .0021(16) .0010(16) -.0097(16) C7 .070(2) .0362(18) .073(3) .0001(17) -.0041(19) -.0138(19) C8 .062(2) .0339(19) .075(2) -.0012(16) -.0027(18) .0066(18) C9 .050(2) .0374(18) .051(2) .0003(15) .0030(15) .0058(16) 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 S1 O2 . 1.423(2) ? S1 O3 . 1.429(2) ? S1 N1 . 1.645(3) y S1 C5 . 1.760(3) y O1 C1 . 1.311(3) y O1 C2 . 1.466(4) y N1 C1 . 1.291(4) y C1 C4 . 1.469(4) y C2 C3 . 1.481(5) y C4 C9 . 1.373(4) ? C4 C5 . 1.384(4) y C5 C6 . 1.370(4) ? C6 C7 . 1.386(5) ? C7 C8 . 1.378(5) ? C8 C9 . 1.377(4) ?