Excimer Disaggregation Enhanced Emission: A Fluorescence "Turn-On" Approach to Oxoanion Recognition.
Yang, Jian; Dong, Chao-Chen; Chen, Xu-Lang; Sun, Xin; Wei, Jin-Yan; Xiang, Jun-Feng; Sessler, Jonathan L.; Gong, Han-Yuan; Journal of the American Chemical Society 141 (2019) 4597–4612; doi:10.1021/jacs.8b09021

data_4128924
_publ_section_title
;
 Excimer Disaggregation Enhanced Emission: A Fluorescence
 &quot;Turn-On&quot; Approach to Oxoanion Recognition.
;
_journal_issue                   11
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4597
_journal_page_last               4612
_journal_paper_doi               10.1021/jacs.8b09021
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C35 H35 F12 N11 O0.25 P2'
_chemical_formula_weight         903.68
_chemical_name_common
;
cyclo[1]N2,N6-bis(6-(1H-imidazol-1-yl)pyridin-2-yl)-N2,N6-dimethylpyridine-2,6-diamine[1](1,4-dimethylenebenzene)_ 2 PF6-_ 0.25 H2O
;
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.31(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.5334(17)
_cell_length_b                   16.264(3)
_cell_length_c                   14.678(3)
_cell_measurement_reflns_used    1.41
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      3578
_cell_measurement_theta_min      25.00
_cell_volume                     2004.2(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device
;
Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       dtprofit.ref
_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  0.0564
_diffrn_reflns_av_sigmaI/netI    0.0499
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            15728
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.208
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7909
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.351
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.0021(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         3578
_refine_ls_number_restraints     210
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0940
_refine_ls_R_factor_gt           0.0783
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0200P)^2^+5.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1390
_refine_ls_wR_factor_ref         0.1478
_reflns_number_gt                2919
_reflns_number_total             3578
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8b09021_si_007.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P21/m
_cod_database_code               4128924