#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2200951.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_2200951 _journal_name_full 'Acta Crystallographica, Section E' _journal_year 2002 _journal_volume 58 _journal_page_first o170 _journal_page_last o171 _publ_section_title ; 2,5-Dibromo-6-isopropyl-3-methyl-p-benzoquinone ; loop_ _publ_author_name 'Lothar Esser' 'Zbyszek Otwinowski' 'Hoeon Kim' _chemical_name_common Dibromothymoquinone _chemical_formula_moiety 'C10 H10 Br2 O2' _chemical_formula_sum 'C10 H10 Br2 O2' _chemical_formula_iupac 'C10 H10 Br2 O2' _chemical_formula_weight 322.00 _chemical_melting_point 343(2) _symmetry_cell_setting Monoclinic _symmetry_space_group_name_H-M 'C c' _symmetry_space_group_name_Hall 'C -2yc' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x, -y, z+1/2' 'x+1/2, y+1/2, z' 'x+1/2, -y+1/2, z+1/2' _cell_length_a 5.4507(2) _cell_length_b 18.5945(9) _cell_length_c 11.4256(6) _cell_angle_alpha 90.00 _cell_angle_beta 100.941(3) _cell_angle_gamma 90.00 _cell_volume 1136.97(9) _cell_formula_units_Z 4 _cell_measurement_temperature 295(2) _exptl_crystal_density_diffrn 1.881 _diffrn_ambient_temperature 295(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 O1 .6118(7) .12918(18) .6483(3) .0683(9) Uani d . 1 . . O C1 .5103(7) .09766(19) .7196(3) .0482(7) Uani d . 1 . . C C2 .5612(7) .0203(2) .7464(3) .0488(8) Uani d . 1 . . C Br1 .78142(7) -.02215(2) .65665(4) .06701(16) Uani d . 1 . . Br C3 .4630(8) -.01686(19) .8259(4) .0489(9) Uani d . 1 . . C C7 .5110(13) -.0950(2) .8549(5) .0802(14) Uani d . 1 . . C H7A .4641 -.1232 .7838 .120 Uiso calc R 1 . . H H7B .4143 -.1098 .9127 .120 Uiso calc R 1 . . H H7C .6854 -.1020 .8869 .120 Uiso calc R 1 . . H C4 .2946(7) .0223(2) .8934(3) .0488(8) Uani d . 1 . . C O2 .1980(7) -.0095(2) .9650(3) .0719(9) Uani d . 1 . . O C5 .2491(7) .09999(19) .8687(3) .0459(7) Uani d . 1 . . C Br2 .04670(6) .14325(2) .96623(3) .06778(17) Uani d . 1 . . Br C6 .3369(8) .1366(2) .7847(3) .0480(8) Uani d . 1 . . C C8 .2736(9) .2142(2) .7493(4) .0606(10) Uani d . 1 . . C H8 .1531 .2307 .7970 .073 Uiso calc R 1 . . H C9 .5040(11) .2635(2) .7795(5) .0750(13) Uani d . 1 . . C H9A .6276 .2485 .7348 .113 Uiso calc R 1 . . H H9B .5723 .2604 .8632 .113 Uiso calc R 1 . . H H9C .4556 .3122 .7592 .113 Uiso calc R 1 . . H C10 .1496(11) .2216(3) .6200(5) .0843(15) Uani d . 1 . . C H10A .1052 .2710 .6032 .126 Uiso calc R 1 . . H H10B .0017 .1925 .6045 .126 Uiso calc R 1 . . H H10C .2629 .2062 .5702 .126 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 O1 .088(2) .0629(17) .0675(19) -.0089(16) .0494(17) -.0030(14) C1 .049(2) .0536(18) .0456(18) -.0051(15) .0187(14) -.0018(15) C2 .049(2) .057(2) .0417(16) .0015(15) .0110(14) -.0078(13) Br1 .0641(3) .0808(3) .0603(2) .0180(2) .02230(16) -.0113(2) C3 .056(3) .0431(19) .049(2) .0021(14) .0119(16) -.0012(14) C7 .116(4) .048(2) .081(3) .010(2) .031(3) .003(2) C4 .048(2) .056(2) .0438(17) -.0028(15) .0138(14) .0003(15) O2 .076(2) .0716(19) .077(2) .0032(16) .0386(18) .0242(16) C5 .046(2) .0515(19) .0420(16) -.0006(14) .0140(13) .0011(14) Br2 .0760(3) .0755(3) .0633(2) .0104(2) .04223(19) .0018(2) C6 .050(2) .055(2) .0427(18) .0050(14) .0169(14) .0052(14) C8 .066(3) .064(2) .060(2) .0155(18) .0317(18) .0169(18) C9 .090(3) .051(2) .081(3) .008(2) .008(2) -.004(2) C10 .068(3) .097(4) .084(3) .002(3) .005(2) .035(3) 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 O1 C1 . 1.218(5) yes C1 C2 . 1.485(5) yes C1 C6 . 1.496(6) yes C2 C3 . 1.332(6) yes C2 Br1 . 1.893(4) yes C3 C4 . 1.494(6) yes C3 C7 . 1.502(6) yes C7 H7A . .9600 No C7 H7B . .9600 No C7 H7C . .9600 No C4 O2 . 1.208(5) yes C4 C5 . 1.485(5) yes C5 C6 . 1.338(5) yes C5 Br2 . 1.890(4) yes C6 C8 . 1.519(6) yes C8 C10 . 1.510(6) yes C8 C9 . 1.540(7) yes C8 H8 . .9800 No C9 H9A . .9600 No C9 H9B . .9600 No C9 H9C . .9600 No C10 H10A . .9600 No C10 H10B . .9600 No C10 H10C . .9600 No