Topochemical photocycloaddition in two-dimensional lead-halide coordination polymers with tunable phosphorescence.
Chen, Zhongwei; Wu, Jin; Deng, Zeyu; Chen, Congcong; Feng, Jianning; Ma, Baixu; Tao, Lizhi; Mao, Lingling; Lu, Haipeng; Chemical science 16 (2025) 16004–16015; doi:10.1039/d5sc04306a

data_1575250
_publ_section_title
;
 Topochemical photocycloaddition in two-dimensional lead-halide
 coordination polymers with tunable phosphorescence.
;
_journal_issue                   35
_journal_name_full               'Chemical science'
_journal_page_first              16004
_journal_page_last               16015
_journal_paper_doi               10.1039/d5sc04306a
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C12 H10 Cl2 N2 Pb'
_chemical_formula_sum            'C12 H10 Cl2 N2 Pb'
_chemical_formula_weight         460.31
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-12-03
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-12-03 deposited with the CCDC.	2025-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                74.107(5)
_cell_angle_beta                 85.675(5)
_cell_angle_gamma                81.700(5)
_cell_formula_units_Z            1
_cell_length_a                   4.0476(2)
_cell_length_b                   8.8861(5)
_cell_length_c                   9.5086(5)
_cell_measurement_reflns_used    1770
_cell_measurement_temperature    99.97(10)
_cell_measurement_theta_max      29.2040
_cell_measurement_theta_min      2.8040
_cell_volume                     325.25(3)
_computing_cell_refinement       'CrysAlisPro 1.171.43.90 (Rigaku OD, 2023)'
_computing_data_collection       'CrysAlisPro 1.171.43.90 (Rigaku OD, 2023)'
_computing_data_reduction        'CrysAlisPro 1.171.43.90 (Rigaku OD, 2023)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      99.97(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.3577
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -44.00  29.00   1.00    1.50    --   15.85 -66.00-167.00   73
  2  \w    -19.00  92.00   1.00    1.50    --   15.85  66.00 -32.00  111
  3  \w    -40.00  51.00   1.00    1.50    --   15.85 -77.00  90.00   91
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.1745695000
_diffrn_orient_matrix_UB_12      0.0155413000
_diffrn_orient_matrix_UB_13      -0.0104473000
_diffrn_orient_matrix_UB_21      0.0243371000
_diffrn_orient_matrix_UB_22      0.0679621000
_diffrn_orient_matrix_UB_23      -0.0577163000
_diffrn_orient_matrix_UB_31      0.0184461000
_diffrn_orient_matrix_UB_32      -0.0463048000
_diffrn_orient_matrix_UB_33      -0.0508319000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0481
_diffrn_reflns_av_unetI/netI     0.0545
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            2030
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.728
_diffrn_reflns_theta_min         2.809
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    13.356
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.47218
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.90 (Rigaku Oxford Diffraction, 2023)
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    2.350
_exptl_crystal_description       block
_exptl_crystal_F_000             212
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         2.060
_refine_diff_density_min         -1.578
_refine_diff_density_rms         0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     79
_refine_ls_number_reflns         1360
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0282
_refine_ls_R_factor_gt           0.0278
_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^)+(0.0331P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0664
_refine_ls_wR_factor_ref         0.0664
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1358
_reflns_number_total             1360
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc04306a2.cif
_cod_data_source_block           czw-0611-pbclcn
_cod_depositor_comments
'Adding full bibliography for 1575246--1575255.cif.'
_cod_database_code               1575250
_shelx_shelxl_version_number     2019/3
_chemical_oxdiff_formula         'Pb Cl C N'
_shelx_estimated_absorpt_t_max   0.690
_shelx_estimated_absorpt_t_min   0.379
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C003(H003), C006(H006), C007(H007), C008(H008), C009(H009)
;
_shelx_res_checksum              60796
_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 2.140
_oxdiff_exptl_absorpt_empirical_full_min 0.769