A Stepwise Mechanism for the Mechanochemical Synthesis of Halogen-Bonded Cocrystal Architectures
Dominik Cinčić; Tomislav Friščić; William Jones; Journal of the American Chemical Society 130 (2008) 7524–7525; doi:10.1021/ja801164v

data_4107901
_publ_section_title
;
 A Stepwise Mechanism for the Mechanochemical Synthesis of Halogen-Bonded
 Cocrystal Architectures
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7524
_journal_page_last               7525
_journal_paper_doi               10.1021/ja801164v
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         '2(C5 H11 N1), C6 F4 I2'
_chemical_formula_sum            'C16 H22 F4 I2 N2'
_chemical_formula_weight         572.16
_chemical_name_common            (1,4-tfib).(pipe)2
_chemical_name_systematic
;
 1,4-diiodotetrafluorobenzene-piperidine 1/2
;
_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                99.3820(10)
_cell_angle_beta                 95.9300(10)
_cell_angle_gamma                99.4540(10)
_cell_formula_units_Z            1
_cell_length_a                   5.28920(10)
_cell_length_b                   6.06390(10)
_cell_length_c                   15.3113(3)
_cell_measurement_reflns_used    11389
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      36.32
_cell_measurement_theta_min      1.00
_cell_volume                     473.643(15)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
 HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0305
_diffrn_reflns_av_sigmaI/netI    0.0287
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11865
_diffrn_reflns_theta_full        36.31
_diffrn_reflns_theta_max         36.31
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    3.358
_exptl_absorpt_correction_T_max  0.681
_exptl_absorpt_correction_T_min  0.618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.006
_exptl_crystal_description       prism
_exptl_crystal_F_000             274
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.807
_refine_diff_density_min         -3.991
_refine_diff_density_rms         0.436
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.213
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         4502
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.213
_refine_ls_R_factor_all          0.0383
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0628P)^2^+0.0289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.0977
_reflns_number_gt                4269
_reflns_number_total             4502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja801164v-file003.cif
_cod_data_source_block           (1,4-tfib).(pipe)2
_cod_database_code               4107901