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_7209543
_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_moiety
;
(C10 H8 N4) (C6 H Br F4 O)2
;
_chemical_formula_sum            'C22 H10 Br2 F8 N4 O2'
_chemical_formula_weight         674.16
_chemical_name_common
;3,3'-AzoPy 4-HBXB, (3-pyridyl)-N=N-(3-pyridyl), (4-Br-F4-
PhOH)2
;
_chemical_name_systematic
;
3,3'-AzoPy 4-HBXB, (3-pyridyl)-N=N-(3-pyridyl), (4-Br-F4-PhOH)2
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 99.631(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.2149(8)
_cell_length_b                   16.4379(7)
_cell_length_c                   7.4736(4)
_cell_measurement_reflns_used    9456
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      32.48
_cell_measurement_theta_min      2.27
_cell_volume                     2206.17(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0303
_diffrn_reflns_av_sigmaI/netI    0.0220
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            62309
_diffrn_reflns_theta_full        32.03
_diffrn_reflns_theta_max         32.03
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    3.774
_exptl_absorpt_correction_T_max  0.4906
_exptl_absorpt_correction_T_min  0.3602
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.030
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.409
_refine_diff_density_min         -0.586
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         7628
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.6000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0656
_refine_ls_wR_factor_ref         0.0699
_reflns_number_gt                6276
_reflns_number_total             7628
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26747k.txt
_cod_data_source_block           3,3'-azpy:OH-Br
_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      P2(1)/c
_cod_database_code               7209543