Highly intense NIR emissive Cu<sub>4</sub>Pt<sub>2</sub> bimetallic clusters featuring Pt(i)-Cu<sub>4</sub>-Pt(i) sandwich kernel.
Zhong, Rui-Ru; Xie, Mo; Luan, Cui-Zhou; Zhang, Lin-Mei; Hao, De-Bo; Yuan, Shang-Fu; Wu, Tao; Chemical science 15 (2024) 7552–7559; doi:10.1039/d4sc01022a

data_1572053
_publ_section_title
;
 Highly intense NIR emissive Cu<sub>4</sub>Pt<sub>2</sub> bimetallic
 clusters featuring Pt(i)-Cu<sub>4</sub>-Pt(i) sandwich kernel.
;
_journal_issue                   20
_journal_name_full               'Chemical science'
_journal_page_first              7552
_journal_page_last               7559
_journal_paper_doi               10.1039/d4sc01022a
_journal_volume                  15
_journal_year                    2024
_chemical_formula_sum            'C105 H74 Cl2 Cu4 F24 N4 P6 Pt2'
_chemical_formula_weight         2748.74
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2024-02-03 deposited with the CCDC.	2024-04-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 110.963(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   30.1604(8)
_cell_length_b                   14.9159(3)
_cell_length_c                   25.3705(8)
_cell_measurement_reflns_used    6531
_cell_measurement_temperature    173.00(10)
_cell_measurement_theta_max      64.9880
_cell_measurement_theta_min      4.0640
_cell_volume                     10658.0(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.40.82a (Rigaku OD, 2020)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173.00(10)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, AtlasS2'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0646
_diffrn_reflns_av_unetI/netI     0.0904
_diffrn_reflns_Laue_measured_fraction_full 0.968
_diffrn_reflns_Laue_measured_fraction_max 0.968
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            35641
_diffrn_reflns_point_group_measured_fraction_full 0.968
_diffrn_reflns_point_group_measured_fraction_max 0.968
_diffrn_reflns_theta_full        65.037
_diffrn_reflns_theta_max         65.037
_diffrn_reflns_theta_min         3.502
_exptl_absorpt_coefficient_mu    7.753
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.87961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.82a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            brown-red
_exptl_crystal_density_diffrn    1.713
_exptl_crystal_description       block
_exptl_crystal_F_000             5376
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.459
_refine_diff_density_min         -1.340
_refine_diff_density_rms         0.161
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1405
_refine_ls_number_reflns         17574
_refine_ls_number_restraints     244
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0948
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0624P)^2^+44.0100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1366
_refine_ls_wR_factor_ref         0.1548
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12407
_reflns_number_total             17574
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc01022a2.cif
_cod_data_source_block           ysf25c5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1572053
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              48130