Crystal structure of (E)-4-bromo-N-(pyridin-2-ylmethylene)aniline, C12H9BrN2
Diko, Nyameka; Zamisa, Sizwe J.; Friedrich, Holger B.; Shozi, Mzamo L.; Zeitschrift für Kristallographie - New Crystal Structures 234 (2019) 1069–1070; doi:10.1515/ncrs-2019-0264

data_8105939
_publ_section_title
;
 Crystal structure of (E)-4-bromo-N-(pyridin-2-ylmethylene)aniline,
 C12H9BrN2
;
_journal_issue                   5
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              1069
_journal_page_last               1070
_journal_paper_doi               10.1515/ncrs-2019-0264
_journal_volume                  234
_journal_year                    2019
_chemical_formula_moiety         'C12 H9 Br N2'
_chemical_formula_sum            'C12 H9 Br N2'
_chemical_formula_weight         261.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_cell_angle_alpha                90
_cell_angle_beta                 106.880(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.2197(12)
_cell_length_b                   4.8579(3)
_cell_length_c                   11.4679(9)
_cell_measurement_reflns_used    9981
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.45
_cell_measurement_theta_min      2.21
_cell_volume                     1024.60(12)
_computing_cell_refinement       'COSMO (Bruker, V1.61, 2009)'
_computing_data_collection       'COSMO (Bruker, V1.61, 2009)'
_computing_data_reduction        'SAINT (Bruker)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS-2013 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.01
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0658
_diffrn_reflns_av_unetI/netI     0.0264
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25389
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.969
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.516
_diffrn_reflns_theta_min         2.215
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_type              'sealed X-ray tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.975
_exptl_absorpt_correction_T_max  0.876
_exptl_absorpt_correction_T_min  0.426
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker)'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.693
_exptl_crystal_density_meas      .
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_recrystallization_method
'The material was recrystallised from ethanol by slow evaporation'
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.827
_refine_diff_density_min         -1.710
_refine_diff_density_rms         0.162
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2527
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0780P)^2^+2.9003P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1155
_refine_ls_wR_factor_ref         0.1257
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                2166
_reflns_number_total             2527
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_ncrs-2019-0264_suppl.cif
_cod_data_source_block           4brpy
_cod_database_code               8105939
_shelx_estimated_absorpt_t_max   0.606
_shelx_estimated_absorpt_t_min   0.392
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Rigid bond restraints
 Br1, C10
 with sigma for 1-2 distances of 0.001 and sigma for 1-3 distances of 0.001
3.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C6(H6), C8(H8), C9(H9), C11(H11), C12(H12)
;
_shelx_res_checksum              82766
_shelx_hkl_checksum              17221
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder in paratone oil'
_olex2_submission_special_instructions 'No special instructions were received'