A Photoswitchable Heteroditopic Ion-Pair Receptor.
Kokan, Zoran; Chmielewski, Michał J; Journal of the American Chemical Society 140 (2018) 16010–16014; doi:10.1021/jacs.8b08689

data_4133141
_publ_section_title
;
 A Photoswitchable Heteroditopic Ion-Pair Receptor.
;
_journal_issue                   47
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16010
_journal_page_last               16014
_journal_paper_doi               10.1021/jacs.8b08689
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         'C20 H17 N5 O2'
_chemical_formula_sum            'C20 H17 N5 O2'
_chemical_formula_weight         359.39
_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   mixed
_audit_creation_date             2018-07-31
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_cell_angle_alpha                90
_cell_angle_beta                 94.8031(15)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.44527(12)
_cell_length_b                   9.34308(12)
_cell_length_c                   30.9935(5)
_cell_measurement_reflns_used    11950
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      71.0960
_cell_measurement_theta_min      2.8420
_cell_volume                     2148.39(6)
_computing_cell_refinement       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.4391
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0085335000
_diffrn_orient_matrix_UB_12      -0.1421742000
_diffrn_orient_matrix_UB_13      0.0249470000
_diffrn_orient_matrix_UB_21      -0.1857991000
_diffrn_orient_matrix_UB_22      -0.0318338000
_diffrn_orient_matrix_UB_23      -0.0237694000
_diffrn_orient_matrix_UB_31      0.0923876000
_diffrn_orient_matrix_UB_32      -0.0772061000
_diffrn_orient_matrix_UB_33      -0.0360599000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_unetI/netI     0.0155
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            27597
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.078
_diffrn_reflns_theta_max         67.078
_diffrn_reflns_theta_min         2.862
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.611
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.85903
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.111
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.327
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.165
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3824
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.165
_refine_ls_R_factor_all          0.0527
_refine_ls_R_factor_gt           0.0513
_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^)+(0.0314P)^2^+1.9648P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1242
_refine_ls_wR_factor_ref         0.1249
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3665
_reflns_number_total             3824
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b08689_si_002.cif
_cod_data_source_block           exp20
_cod_original_cell_volume        2148.39(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4133141
_reflns_odcompleteness_completeness 99.98
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     66.97
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All O(H,H) groups
2. Restrained distances
 N3-H3A
 0.87 with sigma of 0.01
 N2-H2A
 0.87 with sigma of 0.01
3.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B)
3.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C9(H9), C10(H10), C11(H11), C12(H12), C13(H13),
 C15(H15), C17(H17), C18(H18), C19(H19), C20(H20)
;
_shelx_fab_checksum              75235
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.371
_oxdiff_exptl_absorpt_empirical_full_min 0.768