Competition and selectivity in supramolecular synthesis: structural landscape around 1-(pyridylmethyl)-2,2′-biimidazoles
Gunawardana, C. A.; Desper, J.; Sinha, A. S.; Ðaković, M.; Aakeröy, C. B.; Faraday Discuss.  (2017) –; doi:10.1039/C7FD00080D

data_1546571
_publ_section_title
;
 Competition and selectivity in supramolecular synthesis: structural
 landscape around 1-(pyridylmethyl)-2,2&#x2032;-biimidazoles
;
_journal_name_full               'Faraday Discuss.'
_journal_paper_doi               10.1039/C7FD00080D
_journal_year                    2017
_chemical_formula_moiety         'C12 H12 N5, C8 H13 O4'
_chemical_formula_sum            'C20 H25 N5 O4'
_chemical_formula_weight         399.45
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2017-02-17 deposited with the CCDC.
2017-04-04 downloaded from the CCDC.
;
_cell_angle_alpha                105.5790(10)
_cell_angle_beta                 95.6070(10)
_cell_angle_gamma                100.1040(10)
_cell_formula_units_Z            2
_cell_length_a                   5.1948(2)
_cell_length_b                   10.8967(3)
_cell_length_c                   18.2317(6)
_cell_measurement_reflns_used    9911
_cell_measurement_temperature    296.(2)
_cell_measurement_theta_max      70.29
_cell_measurement_theta_min      2.55
_cell_volume                     967.21(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker MicroStar'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296.(2)
_diffrn_measured_fraction_theta_full 'ACTA 50'
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'Bruker MicroStar APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0475
_diffrn_reflns_av_unetI/netI     0.0315
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17758
_diffrn_reflns_theta_full        'ACTA 50'
_diffrn_reflns_theta_max         70.29
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    0.805
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Irregular
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.090
_exptl_crystal_size_min          0.055
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.371
_refine_ls_extinction_coef       0.0207(14)
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         3369
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0471
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.7225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1147
_refine_ls_wR_factor_ref         0.1150
_reflns_number_gt                3347
_reflns_number_total             3369
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7fd00080d2.cif
_cod_data_source_block           A1HBD4
_cod_database_code               1546571
_shelx_res_checksum              60488