Competing hydrogen-bond and halogen-bond donors in crystal engineering
Aakeröy, Christer B.; Panikkattu, Sheelu; Chopade, Prashant D.; Desper, John; CrystEngComm 15 (2013) 3125–; doi:10.1039/c2ce26747k

data_7209547
_publ_section_title
;
 Competing hydrogen-bond and halogen-bond donors in crystal engineering
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              3125
_journal_paper_doi               10.1039/c2ce26747k
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C17 H9 Br F4 N4 O2'
_chemical_formula_weight         457.19
_space_group_IT_number           2
_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                112.181(4)
_cell_angle_beta                 90.560(4)
_cell_angle_gamma                111.547(4)
_cell_formula_units_Z            4
_cell_length_a                   10.1601(6)
_cell_length_b                   13.4584(8)
_cell_length_c                   14.4512(10)
_cell_measurement_temperature    120(2)
_cell_volume                     1676.5(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.891
_diffrn_measured_fraction_theta_max 0.870
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0749
_diffrn_reflns_av_sigmaI/netI    0.0873
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12739
_diffrn_reflns_theta_full        67.50
_diffrn_reflns_theta_max         68.96
_diffrn_reflns_theta_min         3.95
_exptl_absorpt_coefficient_mu    3.967
_exptl_absorpt_correction_T_max  0.7420
_exptl_absorpt_correction_T_min  0.5354
_exptl_crystal_density_diffrn    1.811
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.737
_refine_diff_density_min         -0.735
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     646
_refine_ls_number_reflns         5428
_refine_ls_number_restraints     408
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.1012
_refine_ls_R_factor_gt           0.0886
_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^)+(0.0800P)^2^+8.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2270
_refine_ls_wR_factor_ref         0.2362
_reflns_number_gt                4522
_reflns_number_total             5428
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26747k.txt
_cod_data_source_block           4,4'-azpy:COOH-Br
_cod_original_cell_volume        1676.47(18)
_cod_database_code               7209547