pH controlled assembly of a self-complementary halogen-bonded dimer
Maugeri, Leonardo; Jamieson, Ellen M. G.; Cordes, David B.; Slawin, Alexandra M. Z.; Philp, Douglas; Chem. Sci. 8 (2017) 938–; doi:10.1039/C6SC03696A

data_1544159
_publ_section_title
;
 pH controlled assembly of a self-complementary halogen-bonded dimer
;
_journal_issue                   2
_journal_name_full               'Chem. Sci.'
_journal_page_first              938
_journal_paper_doi               10.1039/C6SC03696A
_journal_volume                  8
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C28 H26 F4 I N3 O, C4 H8 O'
_chemical_formula_sum            'C32 H34 F4 I N3 O2'
_chemical_formula_weight         695.54
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-06-27
_audit_creation_method           'by CrystalStructure 4.1'
_audit_update_record
;
2016-06-28 deposited with the CCDC.
2016-09-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   8.4431(6)
_cell_length_b                   11.7892(12)
_cell_length_c                   31.416(3)
_cell_measurement_reflns_used    10264
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.30
_cell_measurement_theta_min      1.30
_cell_volume                     3127.1(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b32'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b32 (Rigaku, 2014)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b32'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL2013 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF99-PATTY (Gould, et al., 1999)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0269
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            38083
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.344
_diffrn_reflns_theta_min         1.296
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.081
_exptl_absorpt_correction_T_max  0.927
_exptl_absorpt_correction_T_min  0.853
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.477
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1408.00
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.54
_refine_diff_density_min         -0.33
_refine_ls_abs_structure_details
;
 Flack x determined using 2263 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.024(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5690
_refine_ls_number_restraints     1
_refine_ls_R_factor_all          0.0265
_refine_ls_R_factor_gt           0.0245
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0370P)^2^+1.5440P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0624
_refine_ls_wR_factor_ref         0.0634
_reflns_number_gt                5442
_reflns_number_total             5690
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c6sc03696a2.cif
_cod_data_source_block           2-H
_cod_depositor_comments
'Adding full bibliography for 1544158--1544161.cif.'
_cod_database_code               1544159
_shelx_res_checksum              59740
_shelx_hkl_checksum              84505
_solvent_exptl_crystal_recrystallization_method THF