Halogen/methyl exchange in a series of isostructural 1,3-bis(m-dihalophenyl)ureas
Capacci-Daniel, Christina; Dehghan, Shoaleh; Wurster, Victoria M.; Basile, Joseph A.; Hiremath, Rupa; Sarjeant, Amy A.; Swift, Jennifer A.; CrystEngComm 10 (2008) 1875–; doi:10.1039/b812138a

data_7202428
_publ_section_title
;
 Halogen/methyl exchange in a series of isostructural
 1,3-bis(m-dihalophenyl)ureas
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              1875
_journal_paper_doi               10.1039/b812138a
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C13 H10 Br2 N2 O'
_chemical_formula_sum            'C13 H10 Br2 N2 O'
_chemical_formula_weight         370.05
_chemical_melting_point          273.9
_chemical_name_common            mBrPU
_chemical_name_systematic        '1,3-bis(m-bromophenyl) urea'
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      18
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date
;
'Thu Jul 14 13:23:07 2005'
;
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.5460(11)
_cell_length_b                   14.7549(15)
_cell_length_c                   4.5585(7)
_cell_measurement_temperature    110
_cell_measurement_theta_max      28.9932
_cell_measurement_theta_min      4.1351
_cell_volume                     642.07(14)
_computing_cell_refinement       'Oxford Diffraction CrysAlis RED'
_computing_data_collection       'Oxford Diffraction CrysAlis CCD'
_computing_data_reduction        'Oxford Diffraction CrysAlis RED'
_computing_molecular_graphics    'Sheldrick, G.M. (2000). SHELXTL v6.10.'
_computing_publication_material  'Sheldrick, G.M. (2000). SHELXTL v6.10.'
_computing_structure_refinement  'Sheldrick, G.M. (2000). SHELXTL v6.10.'
_computing_structure_solution    'Sheldrick, G.M. (2000). SHELXTL v6.10.'
_diffrn_ambient_temperature      110
_diffrn_detector_area_resol_mean 15.9890
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details      'see scan set'
_diffrn_measurement_device       Kappa
_diffrn_measurement_device_type  Xcalibur3
_diffrn_measurement_method       ' omega scans'
_diffrn_orient_matrix_UB_11      -0.0112271755
_diffrn_orient_matrix_UB_12      -0.0639829484
_diffrn_orient_matrix_UB_13      -0.0241408655
_diffrn_orient_matrix_UB_21      0.0036623704
_diffrn_orient_matrix_UB_22      -0.0375952840
_diffrn_orient_matrix_UB_23      0.0414844495
_diffrn_orient_matrix_UB_31      -0.1551491134
_diffrn_orient_matrix_UB_32      0.0037196847
_diffrn_orient_matrix_UB_33      0.0026839577
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0498
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            8169
_diffrn_reflns_resolution_max    0.73
_diffrn_reflns_theta_full        29.08
_diffrn_reflns_theta_max         29.08
_diffrn_reflns_theta_min         4.27
_diffrn_source                   'Enhance (Mo) X-ray Source'
_diffrn_source_current           40
_diffrn_source_power             2
_diffrn_source_voltage           50
_diffrn_standards_interval_count 1
_diffrn_standards_interval_time  50
_exptl_absorpt_coefficient_mu    6.30072
_exptl_absorpt_correction_T_max  0.85632
_exptl_absorpt_correction_T_min  0.23571
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.914
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             360
_exptl_crystal_recrystallization_method benzene
_exptl_crystal_size_max          0.32000
_exptl_crystal_size_mid          0.09754
_exptl_crystal_size_min          0.01231
_refine_diff_density_max         0.654
_refine_diff_density_min         -0.833
_refine_diff_density_rms         0.105
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.022(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     83
_refine_ls_number_reflns         1717
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0380
_refine_ls_R_factor_gt           0.0362
_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^)+(0.0167P)^2^+1.6883P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0676
_refine_ls_wR_factor_ref         0.0686
_reflns_number_gt                1661
_reflns_number_total             1717
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b812138a.txt
_cod_data_source_block           mbrpu
_cod_database_code               7202428
_audit_creation_method_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_data_collection_reference
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_cell_refinment_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_computing_data_reduction_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.27p5 beta (release 01-04-2005 CrysAlis171 .NET)
(compiled Apr 1 2005,17:53:34)
;
_cell_measurement_resolution_max 0.73