Halogenide anions as halogen and hydrogen bond acceptors in iodopyridinium halogenides
Fotović, Luka; Stilinovic, Vladimir; CrystEngComm  (2020) –; doi:10.1039/D0CE00534G

data_7240506
_publ_section_title
;
 Halogenide anions as halogen and hydrogen bond acceptors in
 iodopyridinium halogenides
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00534G
_journal_year                    2020
_chemical_formula_sum            'C5 H5 I2 N'
_chemical_formula_weight         332.90
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-04-07 deposited with the CCDC.	2020-05-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.0849(7)
_cell_length_b                   4.7247(2)
_cell_length_c                   11.2538(4)
_cell_measurement_reflns_used    4246
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      36.2759
_cell_measurement_theta_min      3.8616
_cell_volume                     802.08(6)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.3426
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur CCD
diffractometer
;
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0294
_diffrn_reflns_av_unetI/netI     0.0248
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6146
_diffrn_reflns_point_group_measured_fraction_full 0.971
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.999
_diffrn_reflns_theta_min         4.314
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    7.750
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.60257
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.757
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.478
_refine_diff_density_rms         0.089
_refine_ls_abs_structure_details
;
 Flack x determined using 657 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.08(4)
_refine_ls_extinction_coef       0.0261(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   0.871
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         1695
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.871
_refine_ls_R_factor_all          0.0232
_refine_ls_R_factor_gt           0.0191
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0282P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0413
_refine_ls_wR_factor_ref         0.0422
_reflns_Friedel_coverage         0.852
_reflns_Friedel_fraction_full    0.943
_reflns_Friedel_fraction_max     0.947
_reflns_number_gt                1538
_reflns_number_total             1695
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00534g2.cif
_cod_data_source_block           2-IPyHI
_cod_database_code               7240506
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              60330