Effect of halogen bonding interaction on supramolecular assembly of halogen-substituted phenylpyrazinamides
Khavasi, Hamid Reza; Tehrani, Alireza Azhdari; CrystEngComm 15 (2013) 3222–; doi:10.1039/c3ce40093j

data_7210740
_publ_section_title
;
 Effect of halogen bonding interaction on supramolecular assembly of
 halogen-substituted phenylpyrazinamides
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              3222
_journal_paper_doi               10.1039/c3ce40093j
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C11 H8 Br N3 O'
_chemical_formula_sum            'C11 H8 Br N3 O'
_chemical_formula_weight         278.11
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.4000(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.15680(10)
_cell_length_b                   11.0027(2)
_cell_length_c                   18.8432(3)
_cell_measurement_temperature    173(2)
_cell_volume                     2105.14(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'APEX2 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  0.0603
_diffrn_reflns_av_sigmaI/netI    0.0450
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            51211
_diffrn_reflns_theta_full        36.39
_diffrn_reflns_theta_max         36.39
_diffrn_reflns_theta_min         2.14
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.885
_exptl_absorpt_correction_T_max  0.530
_exptl_absorpt_correction_T_min  0.440
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldric, 1998a)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.755
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Chunk
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.352
_exptl_crystal_size_mid          0.179
_exptl_crystal_size_min          0.164
_refine_diff_density_max         2.078
_refine_diff_density_min         -1.411
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         10232
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0789
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0491P)^2^+1.0356P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0975
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                6724
_reflns_number_total             10232
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40093j.txt
_cod_data_source_block           hrk709h
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7210740