1-(2,2-Dibromovinyl)-3,5-dimethoxybenzene
Chang-Hua Hua; Yu-Ping Wei; Ye-Fei Nan; Xiao-Xiao Li; Liang-Dong Sun; Acta Crystallographica Section E 62 (2006) o3742–o3743; doi:10.1107/S1600536806026262

data_2210128
_publ_section_title
;
 1-(2,2-Dibromovinyl)-3,5-dimethoxybenzene
;
_journal_coeditor_code           BV2023
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3742
_journal_page_last               o3743
_journal_paper_doi               10.1107/S1600536806026262
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C10 H10 Br2 O2'
_chemical_formula_sum            'C10 H10 Br2 O2'
_chemical_formula_weight         321.98
_chemical_melting_point          345
_chemical_name_systematic
;
1-(2,2-dibromo-vinyl)-3,5-dimethoxy-benzene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 92.274(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.129(2)
_cell_length_b                   11.192(6)
_cell_length_c                   25.732(15)
_cell_measurement_reflns_used    1498
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      22.49
_cell_measurement_theta_min      2.41
_cell_volume                     1188.2(11)
_computing_cell_refinement       CrystalClear
_computing_data_collection
;
CrystalClear (Molecular Structure Corporation & Rigaku, 1999)
;
_computing_data_reduction
;
CrystalStructure (Molecular Structure Corporation & Rigaku, 2005)
;
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  CrystalStructure
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0713
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            5582
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.98
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.796
_exptl_absorpt_correction_T_max  0.4420
_exptl_absorpt_correction_T_min  0.1860
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.800
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.996
_refine_diff_density_min         -0.823
_refine_ls_extinction_coef       0.013(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.181
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0655
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0831P)^2^+5.9795P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1787
_refine_ls_wR_factor_ref         0.1944
_reflns_number_gt                1422
_reflns_number_total             2086
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bv2023.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2210128
_cod_database_fobs_code          2210128