The structural landscape of heteroaryl-2-imidazoles: competing halogen- and hydrogen-bond interactions
Aakeröy, Christer B.; Wijethunga, Tharanga K.; Haj, Mohammad Abul; Desper, John; Moore, Curtis; CrystEngComm 16 (2014) 7218–; doi:10.1039/C4CE00803K

data_7216660
_publ_section_title
;
 The structural landscape of heteroaryl-2-imidazoles: competing halogen-
 and hydrogen-bond interactions
;
_journal_issue                   31
_journal_name_full               CrystEngComm
_journal_page_first              7218
_journal_paper_doi               10.1039/C4CE00803K
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C6 F4 I2, 2(C8 H7 N3) '
_chemical_formula_sum            'C22 H14 F4 I2 N6'
_chemical_formula_weight         692.19
_space_group_IT_number           8
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2y'
_symmetry_space_group_name_H-M   'C 1 m 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                 100.997(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.0009(13)
_cell_length_b                   28.964(4)
_cell_length_c                   4.1036(6)
_cell_measurement_reflns_used    6018
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.40
_cell_measurement_theta_min      2.81
_cell_volume                     1166.8(3)
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            8684
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.48
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    2.750
_exptl_absorpt_correction_T_max  0.7705
_exptl_absorpt_correction_T_min  0.4925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.970
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             660
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.452
_refine_diff_density_rms         0.074
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2217
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0221
_refine_ls_R_factor_gt           0.0203
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0258P)^2^+0.0060P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0462
_refine_ls_wR_factor_ref         0.0470
_reflns_number_gt                2118
_reflns_number_total             2217
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00803k2.cif
_cod_data_source_block           A2D7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7216657--7216671.cif.
;
_cod_original_sg_symbol_Hall     'C -2y '
_cod_original_sg_symbol_H-M      Cm
_cod_database_code               7216660