Experimental and Theoretical Study of Halogen-Bonded Complexes of DMAP with Di- and Triiodofluorobenzenes. A Complex with a Very Short N···I Halogen Bond
Roper, Laila C.; Präsang, Carsten; Kozhevnikov, Valery N.; Whitwood, Adrian C.; Karadakov, Peter B.; Bruce, Duncan W.; Crystal Growth & Design 10 (2010) 3710–; doi:10.1021/cg100549u

data_4501848
_publ_section_title
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 Experimental and Theoretical Study of Halogen-Bonded Complexes of DMAP
 with Di- and Triiodofluorobenzenes. A Complex with a Very Short
 N&#x00B7;&#x00B7;&#x00B7;I Halogen Bond
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_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3710
_journal_paper_doi               10.1021/cg100549u
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         '2(C7 H10 N2), C6 F4 I2'
_chemical_formula_sum            'C20 H20 F4 I2 N4'
_chemical_formula_weight         646.20
_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                82.4770(10)
_cell_angle_beta                 89.2570(10)
_cell_angle_gamma                73.6010(10)
_cell_formula_units_Z            4
_cell_length_a                   7.4923(4)
_cell_length_b                   12.8759(6)
_cell_length_c                   24.4169(12)
_cell_measurement_reflns_used    8407
_cell_measurement_temperature    383(2)
_cell_measurement_theta_max      29.69
_cell_measurement_theta_min      2.52
_cell_volume                     2239.51(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      383(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  '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  0.0265
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            25555
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         0.84
_exptl_absorpt_coefficient_mu    2.855
_exptl_absorpt_correction_T_max  0.565
_exptl_absorpt_correction_T_min  0.502
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.03; (Sheldrick)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.917
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.539
_refine_diff_density_min         -0.717
_refine_diff_density_rms         0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.124
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         12647
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.124
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0324P)^2^+5.5874P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.0986
_reflns_number_gt                10328
_reflns_number_total             12647
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100549u_si_001.cif
_cod_data_source_block           dwb0806m
_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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4501848