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_7202427
_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         'C28 H23 Br2 N4 O2'
_chemical_formula_sum            'C28 H23 Br2 N4 O2'
_chemical_formula_weight         607.32
_chemical_melting_point          247.5
_chemical_name_common            mBrMePU
_chemical_name_systematic        '1-(m-bromophenyl)-3-(m-tolyl) 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
;
'Wed Nov 01 11:40:40 2006'
;
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            1
_cell_length_a                   14.612(6)
_cell_length_b                   9.5770(16)
_cell_length_c                   4.5572(7)
_cell_measurement_reflns_used    3368
_cell_measurement_temperature    110
_cell_measurement_theta_max      27.4991
_cell_measurement_theta_min      4.1699
_cell_volume                     637.7(3)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_details      'see scan set'
_diffrn_measurement_device       Kappa
_diffrn_measurement_device_type  Xcalibur3
_diffrn_measurement_method       ' omega phi scans'
_diffrn_orient_matrix_UB_11      -0.0408943476
_diffrn_orient_matrix_UB_12      -0.0697893338
_diffrn_orient_matrix_UB_13      0.0097873498
_diffrn_orient_matrix_UB_21      -0.0024384520
_diffrn_orient_matrix_UB_22      0.0158965117
_diffrn_orient_matrix_UB_23      0.0473556473
_diffrn_orient_matrix_UB_31      -0.1499387900
_diffrn_orient_matrix_UB_32      0.0187449249
_diffrn_orient_matrix_UB_33      -0.0034363117
_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  0.0525
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            5296
_diffrn_reflns_resolution_max    0.77
_diffrn_reflns_theta_full        27.60
_diffrn_reflns_theta_max         27.60
_diffrn_reflns_theta_min         4.26
_diffrn_source                   'Enhance (Mo) X-ray Source'
_diffrn_source_current           40
_diffrn_source_power             2
_diffrn_source_voltage           50
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_exptl_absorpt_coefficient_mu    3.212
_exptl_absorpt_correction_T_max  0.888
_exptl_absorpt_correction_T_min  0.475
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.30.5 (release 12-06-2006 CrysAlis171 .NET)
(compiled Jun 12 2006,17:01:16)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.581
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             305
_exptl_crystal_recrystallization_method benzene
_exptl_crystal_size_max          0.2424
_exptl_crystal_size_mid          0.0805
_exptl_crystal_size_min          0.0127
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.527
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.220
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     96
_refine_ls_number_reflns         1476
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.225
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0543
_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^)+(0.0000P)^2^+2.1441P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1210
_refine_ls_wR_factor_ref         0.1228
_reflns_number_gt                1343
_reflns_number_total             1476
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b812138a.txt
_cod_data_source_block           mBrMePU
_cod_database_code               7202427
_audit_creation_method_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.30.5 (release 12-06-2006 CrysAlis171 .NET)
(compiled Jun 12 2006,17:01:16)
;
_computing_data_collection_reference
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.30.5 (release 12-06-2006 CrysAlis171 .NET)
(compiled Jun 12 2006,17:01:16)
;
_computing_cell_refinment_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.30.5 (release 12-06-2006 CrysAlis171 .NET)
(compiled Jun 12 2006,17:01:16)
;
_computing_data_reduction_reference
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.30.5 (release 12-06-2006 CrysAlis171 .NET)
(compiled Jun 12 2006,17:01:16)
;
_cell_measurement_resolution_max 0.77