Isolation of hydrazine oxidation products via halogen bonding: C–I bond scission and crystal polymorphism
Peloquin, Andrew J.; Kobra, Khadijatul; McMillen, Colin D.; Iacono, Scott T.; Pennington, William T.; CrystEngComm 23 (2021) 419–426; doi:10.1039/D0CE01568G

data_7241560
_publ_section_title
;
 Isolation of hydrazine oxidation products via halogen bonding: C--I bond
 scission and crystal polymorphism
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              419
_journal_page_last               426
_journal_paper_doi               10.1039/D0CE01568G
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         '2(C6 F4 I2), C4 H12 N, I'
_chemical_formula_sum            'C16 H12 F8 I5 N'
_chemical_formula_weight         1004.77
_chemical_name_common
'bis(1,3-diiodo-2,4,5,6-tetrafluorobenzene) (tetramethylammonium iodide) cocrystal'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2020-10-22 deposited with the CCDC.	2020-11-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.127(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0400(6)
_cell_length_b                   20.5136(10)
_cell_length_c                   12.0201(7)
_cell_measurement_reflns_used    49168
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.499
_cell_measurement_theta_min      1.986
_cell_volume                     2410.9(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Venture Photon 100'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0325
_diffrn_reflns_av_unetI/netI     0.0188
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            40540
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.499
_diffrn_reflns_theta_min         1.986
_diffrn_source                   'Incoatec I\mS'
_exptl_absorpt_coefficient_mu    6.516
_exptl_absorpt_correction_T_max  0.39
_exptl_absorpt_correction_T_min  0.29
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker, SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.768
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.251
_exptl_crystal_size_mid          0.213
_exptl_crystal_size_min          0.177
_exptl_transmission_factor_max   'not measured'
_exptl_transmission_factor_min   'not measured'
_refine_diff_density_max         0.424
_refine_diff_density_min         -0.485
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         5504
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0180
_refine_ls_R_factor_gt           0.0154
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0103P)^2^+1.0012P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0332
_refine_ls_wR_factor_ref         0.0347
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5104
_reflns_number_total             5504
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce01568g2.cif
_cod_data_source_block           2(13-F4DIB)(NMe4I)_MeCN
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7241557--7241566.cif.
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7241560
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.292
_shelx_estimated_absorpt_t_max   0.392
_shelx_res_checksum              14456