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_7216659
_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
;
(C8 H7 N3)2 (C4 F8 I2)
;
_chemical_formula_sum            'C20 H14 F8 I2 N6'
_chemical_formula_weight         744.17
_chemical_name_systematic
;
TW-2-07 [2-(3-pyridyl)-imidazole]2, I-(CF2)4-I
;
_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                 106.551(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.3500(9)
_cell_length_b                   8.7642(5)
_cell_length_c                   9.9637(6)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      33.81
_cell_measurement_theta_min      2.92
_cell_volume                     1201.18(13)
_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 0.986
_diffrn_measured_fraction_theta_max 0.923
_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  0.0245
_diffrn_reflns_av_sigmaI/netI    0.0198
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21724
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         33.14
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    2.702
_exptl_absorpt_correction_T_max  0.6717
_exptl_absorpt_correction_T_min  0.4978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.058
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             708
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.394
_refine_diff_density_min         -0.763
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         4223
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0321
_refine_ls_R_factor_gt           0.0284
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0250P)^2^+1.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0626
_refine_ls_wR_factor_ref         0.0639
_reflns_number_gt                3853
_reflns_number_total             4223
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00803k2.cif
_cod_data_source_block           A2D2
_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_cell_volume        1201.18(12)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7216659