Organic-inorganic perovskite ferroelectric catalytic selective alkyne coupling under ultrasound sonication.
Qi, Jun-Chao; Chen, Xiao-Gang; Wang, Zhen-Yu; Tang, Yuan-Yuan; Song, Xian-Jiang; Qin, Yan; Lv, Hui-Peng; Xiong, Ren-Gen; Liao, Wei-Qiang; Chemical science 17 (2026) 1792–1800; doi:10.1039/d5sc07784b

data_1576750
_publ_section_title
;
 Organic-inorganic perovskite ferroelectric catalytic selective alkyne
 coupling under ultrasound sonication.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              1792
_journal_page_last               1800
_journal_paper_doi               10.1039/d5sc07784b
_journal_volume                  17
_journal_year                    2026
_chemical_formula_moiety         'C10 H20 Cl4 Cu F4 N2'
_chemical_formula_sum            'C10 H20 Cl4 Cu F4 N2'
_chemical_formula_weight         449.62
_space_group_crystal_system      orthorhombic
_space_group_IT_number           63
_space_group_name_Hall           '-C 2c 2'
_space_group_name_H-M_alt        'C m c m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2025-09-02
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2025-09-02 deposited with the CCDC.	2025-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.9619(15)
_cell_length_b                   7.9649(5)
_cell_length_c                   9.2096(5)
_cell_measurement_reflns_used    3396
_cell_measurement_temperature    410.00(10)
_cell_measurement_theta_max      34.0910
_cell_measurement_theta_min      2.6880
_cell_volume                     1757.69(18)
_computing_cell_refinement       'CrysAlisPro 1.171.43.129a (Rigaku OD, 2024)'
_computing_data_collection       'CrysAlisPro 1.171.43.129a (Rigaku OD, 2024)'
_computing_data_reduction        'CrysAlisPro 1.171.43.129a (Rigaku OD, 2024)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      410.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 150'
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_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      5.00  39.00   0.50    0.41    --   32.00-101.00  48.57   68
  2  \w    -25.00   2.00   0.50    0.41    --   20.00 -50.00  23.38   54
  3  \w    -25.00   0.00   0.50    0.41    --   20.00 -49.00   1.37   50
  4  \w     32.00  58.00   0.50    0.41    --   17.25  19.00-150.00   52
  5  \w     29.00  55.00   0.50    0.41    --   17.25  19.00 -90.00   52
  6  \w     22.00  58.00   0.50    0.41    --   17.25  19.00 150.00   72
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix-Arc 150'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0139238000
_diffrn_orient_matrix_UB_12      0.0456352000
_diffrn_orient_matrix_UB_13      -0.0553726000
_diffrn_orient_matrix_UB_21      0.0048940000
_diffrn_orient_matrix_UB_22      -0.0665840000
_diffrn_orient_matrix_UB_23      -0.0494627000
_diffrn_orient_matrix_UB_31      -0.0256679000
_diffrn_orient_matrix_UB_32      -0.0374556000
_diffrn_orient_matrix_UB_33      0.0206067000
_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  0.0270
_diffrn_reflns_av_unetI/netI     0.0179
_diffrn_reflns_Laue_measured_fraction_full 0.981
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4225
_diffrn_reflns_point_group_measured_fraction_full 0.981
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        25.018
_diffrn_reflns_theta_max         25.018
_diffrn_reflns_theta_min         2.695
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.881
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74683
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.129a (Rigaku Oxford Diffraction, 2024)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            green
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    1.699
_exptl_crystal_description       block
_exptl_crystal_F_000             908
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.895
_refine_diff_density_min         -1.029
_refine_diff_density_rms         0.160
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         837
_refine_ls_number_restraints     182
_refine_ls_restrained_S_all      0.937
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.1080
_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^)+(0.0500P)^2^+90.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2562
_refine_ls_wR_factor_ref         0.2573
_reflns_Friedel_coverage         0.000
_reflns_number_gt                792
_reflns_number_total             837
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc07784b2.cif
_cod_data_source_block           dfpd_cucl4_410k_auto
_cod_database_code               1576750
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C H N Cu Cl F '
_shelx_estimated_absorpt_t_max   0.806
_shelx_estimated_absorpt_t_min   0.716
_reflns_odcompleteness_completeness 99.90
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups, All N(H,H) groups
2. Restrained distances
 N2-C5 = N2-C9 = C6-C7
 1.49 with sigma of 0.02
 F3-C7
 1.37 with sigma of 0.02
 F4-C7
 1.38 with sigma of 0.02
 C5-C6
 1.5 with sigma of 0.02
 C7-C2
 1.48 with sigma of 0.02
 C2-C9
 1.51 with sigma of 0.02
 F3-C6 = F4-C6
 2.34 with sigma of 0.04
 N2-C6 = N2-C2
 2.45 with sigma of 0.04
 C5-C7 = C7-C9
 2.48 with sigma of 0.04
 F3-F4
 2.18 with sigma of 0.04
 F3-C2 = F4-C2
 2.33 with sigma of 0.04
 C6-C2
 2.5 with sigma of 0.04
 N2-C7 \\sim C9-C6 \\sim C2-C5
 with sigma of 0.04
 N2-C9 \\sim N2-C5
 with sigma of 0.04
 C9-C2 \\sim C2-C7 \\sim C7-C6 \\sim C6-C5
 with sigma of 0.04
 C7-F3 \\sim C7-F4
 with sigma of 0.04
3. Uiso/Uaniso restraints and constraints
N2 \\sim F3 \\sim F4 \\sim C5 \\sim C6 \\sim C7 \\sim C2 \\sim C9: within 2A
with sigma of 0.04 and sigma for terminal atoms of 0.08 within 2A
Uanis(F3) \\sim Ueq, Uanis(N2) \\sim Ueq, Uanis(C5) \\sim Ueq, Uanis(C9) \\sim
Ueq, Uanis(C6) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C7) \\sim Ueq, Uanis(F4)
\\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
4. Rigid body (RIGU) restrains
 N2, F3, F4, C5, C6, C7, C2, C9
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Fixed Sof: Cl1(0.25) Cl(0.25) N2(0.5) H2A(0.5) H2B(0.5) F3(0.5) F4(0.5)
 C5(0.5) H5A(0.5) H5B(0.5) C6(0.5) H6A(0.5) H6B(0.5) C7(0.5) C2(0.5) H2C(0.5)
 H2D(0.5) C9(0.5) H9A(0.5) H9B(0.5)
6.a Secondary CH2 refined with riding coordinates:
 N2(H2A,H2B), C5(H5A,H5B), C6(H6A,H6B), C2(H2C,H2D), C9(H9A,H9B)
;
_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 1.589
_oxdiff_exptl_absorpt_empirical_full_min 0.711