Macrocyclic Geminal Diols: Synthesis, Structures, Stability and Photophysical Properties
Zou, Bo; Chen, Xiaolin; Liu, Haoran; Wen, Sijie; Huang, Jieqing; Wei, Hengshan; Huang, Jinqing; Gu, Yu-Cheng; Xu, Bingjia; Fan, Jun; Jiang, Hua-Wei; Chemical Science  (2025) –; doi:10.1039/D5SC08216A

data_1576266
_publ_section_title
;
 Macrocyclic Geminal Diols: Synthesis, Structures, Stability and
 Photophysical Properties
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D5SC08216A
_journal_year                    2025
_chemical_absolute_configuration unk
_chemical_formula_sum            'C30 H24 O4'
_chemical_formula_weight         448.49
_chemical_name_common            2dbts-[1,1][2]PCP
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2025-08-11 deposited with the CCDC.	2025-11-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.7797(4)
_cell_length_b                   11.4128(3)
_cell_length_c                   12.1013(2)
_cell_measurement_reflns_used    9522
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.022
_cell_measurement_theta_min      5.544
_cell_volume                     2179.33(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0323
_diffrn_reflns_av_unetI/netI     0.0276
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            18843
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.999
_diffrn_reflns_theta_min         1.784
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6908
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.170
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
; 
 Flack x determined using 1698 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   0.4(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         4249
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0565P)^2^+0.3065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.0990
_reflns_Friedel_coverage         0.899
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                3890
_reflns_number_total             4249
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc08216a2.cif
_cod_data_source_block           d8v22018
_cod_database_code               1576266
_shelx_estimated_absorpt_t_min   0.985
_shelx_estimated_absorpt_t_max   0.989
_shelxl_version_number           2013-4
_shelx_res_checksum              62044