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_7210738
_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 O1'
_chemical_formula_sum            'C11 H8 Br N3 O'
_chemical_formula_weight         278.10
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.7400(10)
_cell_angle_beta                 95.6200(10)
_cell_angle_gamma                91.1540(10)
_cell_formula_units_Z            2
_cell_length_a                   7.28110(10)
_cell_length_b                   7.40480(10)
_cell_length_c                   9.79160(10)
_cell_measurement_reflns_used    13651
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      2.09
_cell_volume                     524.613(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_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  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0317
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13651
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.09
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.897
_exptl_absorpt_correction_T_max  0.890
_exptl_absorpt_correction_T_min  0.300
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldric, 1998a)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.761
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             276
_exptl_crystal_size_max          0.322
_exptl_crystal_size_mid          0.275
_exptl_crystal_size_min          0.032
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0263
_refine_ls_R_factor_gt           0.0237
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0354P)^2^+0.1118P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0608
_refine_ls_wR_factor_ref         0.0621
_reflns_number_gt                2358
_reflns_number_total             2529
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40093j.txt
_cod_data_source_block           d:\determination\solution\hrk909\hrk909h
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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      P-1
_cod_original_formula_sum        'C11 H8 Br N3 O1'
_cod_database_code               7210738