Dynamic Characterization of Crystalline Supramolecular Rotors Assembled through Halogen Bonding.
Catalano, Luca; Pérez-Estrada, Salvador; Terraneo, Giancarlo; Pilati, Tullio; Resnati, Giuseppe; Metrangolo, Pierangelo; Garcia-Garibay, Miguel A; Journal of the American Chemical Society 137 (2015) 15386–15389; doi:10.1021/jacs.5b10776

data_4129822
_publ_section_title
;
 Dynamic Characterization of Crystalline Supramolecular Rotors Assembled
 through Halogen Bonding.
;
_journal_issue                   49
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15386
_journal_page_last               15389
_journal_paper_doi               10.1021/jacs.5b10776
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C6 H12 N2, 2(C6 H2 F3 I)'
_chemical_formula_sum            'C18 H16 F6 I2 N2'
_chemical_formula_weight         628.13
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 102.405(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.5893(7)
_cell_length_b                   20.2195(19)
_cell_length_c                   7.9262(8)
_cell_measurement_reflns_used    9902
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.55
_cell_measurement_theta_min      2.82
_cell_volume                     1031.37(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, L.J. (1997) Jour. Appl. Cryst. 30, 565)
Mercury (Macrae, C. F., Edgington, P. R., McCabe, P., Pidcock, E., 
Shields, G. P., Taylor, R., Towler, M. & van de Streek, J. (2006). 
J. Appl. Cryst. 39, 453-457
;
_computing_publication_material  SHELXL
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution
;
SHELXS (Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122)
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0248
_diffrn_reflns_av_unetI/netI     0.0103
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            38735
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.587
_diffrn_reflns_theta_min         2.014
_exptl_absorpt_coefficient_mu    3.108
_exptl_absorpt_correction_T_max  0.6262
_exptl_absorpt_correction_T_min  0.5161
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Bruker (2001). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.023
_exptl_crystal_description       prism
_exptl_crystal_F_000             596
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.273
_refine_diff_density_min         -1.427
_refine_diff_density_rms         0.176
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.540
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2893
_refine_ls_number_restraints     93
_refine_ls_restrained_S_all      1.514
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0548
_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^)+11.4833P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1336
_refine_ls_wR_factor_ref         0.1343
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2773
_reflns_number_total             2893
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b10776_si_017.cif
_cod_data_source_block           TP
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4129822
_shelx_estimated_absorpt_t_min   0.575
_shelx_estimated_absorpt_t_max   0.835
_shelxl_version_number           2013-3
_shelx_res_checksum              73153
_shelx_hkl_checksum              14671