Co-crystals of iodopentafluorobenzene with nitrogen donors: 2-D molecular assemblies through halogen bonding and aryl?perfluoroaryl interactions
Aleksandra Wasilewska; Maria Gdaniec; Tadeusz Połoński; CrystEngComm 9 (2007) 203–; doi:10.1039/b617929k

data_7202650
_publ_section_title
;
 Co-crystals of iodopentafluorobenzene with nitrogen donors: 2-D
 molecular assemblies through halogen bonding and aryl?perfluoroaryl
 interactions
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              203
_journal_paper_doi               10.1039/b617929k
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C6 F5 I, C6 H7 N'
_chemical_formula_sum            'C12 H7 F5 I N'
_chemical_formula_weight         387.09
_chemical_name_common            '4-methylpyridine pentafluoroiodobenzene'
_chemical_name_systematic
;
4-methylpyridine pentafluoroiodobenzene
;
_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                 95.502(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2888(6)
_cell_length_b                   14.1251(11)
_cell_length_c                   12.6561(11)
_cell_measurement_reflns_used    2677
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      4
_cell_volume                     1297.01(19)
_computing_cell_refinement
;
Oxford Diffraction, CrysAlis Software, Version 1.171, 2004
;
_computing_data_collection
;
Oxford Diffraction, CrysAlis Software, Version 1.171, 2004
;
_computing_data_reduction
;
Oxford Diffraction, CrysAlis Software, Version 1.171, 2004
;
_computing_molecular_graphics
; Stereochemical Workstation (Siemens
Analytical X-Ray Instruments, Inc., 1989). Mercury, Version 1.3
(Bruno et al., 2002)
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_diffrn_measurement_method       '\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  0.0188
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7937
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         4.08
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.513
_exptl_absorpt_correction_T_max  .605
_exptl_absorpt_correction_T_min  .325
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.982
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.095
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.091
_refine_ls_extinction_coef       0.0016(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2633
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0249
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0368P)^2^+0.6843P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0601
_refine_ls_wR_factor_ref         0.0627
_reflns_number_gt                2247
_reflns_number_total             2633
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b617929k.txt
_cod_data_source_block           1.5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7202650