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_4128926
_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            'C37 H43 N9 O10'
_chemical_formula_weight         773.80
_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 HCO3-_dioxane_2 H2O
;
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.481(2)
_cell_length_b                   22.243(4)
_cell_length_c                   29.998(6)
_cell_measurement_reflns_used    6718
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.24
_cell_volume                     7661(2)
_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      223(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device
;
Mercury2 (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  0.0810
_diffrn_reflns_av_sigmaI/netI    0.0515
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            50657
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.24
_diffrn_standards_decay_%        64.5
_diffrn_standards_interval_count 6718
_diffrn_standards_number         6718
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4619
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             3264
_exptl_crystal_size_max          0.427
_exptl_crystal_size_mid          0.179
_exptl_crystal_size_min          0.140
_refine_diff_density_max         1.006
_refine_diff_density_min         -0.579
_refine_diff_density_rms         0.071
_refine_ls_extinction_coef       0.00022(7)
_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   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     506
_refine_ls_number_reflns         6718
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.1396
_refine_ls_R_factor_gt           0.0962
_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^)+(0.0250P)^2^+35.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1870
_refine_ls_wR_factor_ref         0.2088
_reflns_number_gt                4333
_reflns_number_total             6718
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8b09021_si_004.cif
_cod_data_source_block           b
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' 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_cell_volume        7661(3)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4128926