π-Extended ligands with dual-binding behavior: hindered rotation unlocks unexpected reactivity in cyclometalated Pt complexes.
Ota, Seiya; Soto, Miguel A.; Patrick, Brian O.; Kamal, Saeid; Lelj, Francesco; MacLachlan, Mark J.; Chemical science 15 (2024) 14644–14650; doi:10.1039/d4sc04799k

data_1572568
_publ_section_title
;
 &#x3c0;-Extended ligands with dual-binding behavior: hindered rotation
 unlocks unexpected reactivity in cyclometalated Pt complexes.
;
_journal_issue                   36
_journal_name_full               'Chemical science'
_journal_page_first              14644
_journal_page_last               14650
_journal_paper_doi               10.1039/d4sc04799k
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C38 H24 Cl2 N2 Pt'
_chemical_formula_sum            'C38 H24 Cl2 N2 Pt'
_chemical_formula_weight         774.58
_space_group_crystal_system      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-04-02
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-05-21 deposited with the CCDC.	2024-08-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.9481(7)
_cell_length_b                   8.4291(4)
_cell_length_c                   21.4418(11)
_cell_measurement_reflns_used    9869
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.55
_cell_measurement_theta_min      2.34
_cell_volume                     2701.6(2)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'XT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Bruker D8 Kappa diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'TRIUMPH curved-crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0221
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            27983
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.565
_diffrn_reflns_theta_min         1.900
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.426
_exptl_absorpt_correction_T_max  0.722
_exptl_absorpt_correction_T_min  0.503
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0966 before and 0.0451 after correction.
The ratio of minimum to maximum transmission is 0.6968.
The \l/2 correction factor is not present.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.904
_exptl_crystal_description       needle
_exptl_crystal_F_000             1512
_exptl_crystal_recrystallization_method
'The material was recrystallised from --- by slow evaporation'
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         3.939
_refine_diff_density_min         -1.528
_refine_diff_density_rms         0.183
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         4115
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0284P)^2^+18.6924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0787
_refine_ls_wR_factor_ref         0.0876
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3066
_reflns_number_total             4115
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04799k2.cif
_cod_data_source_block           mm589_2
_cod_depositor_comments
'Adding full bibliography for 1572565--1572572.cif.'
_cod_database_code               1572568
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_max   0.737
_shelx_estimated_absorpt_t_min   0.204
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C8(H8), C10(H10), C11(H11), C12(H12),
 C13(H13), C15(H15), C17(H17), C18(H18)
;
_shelx_res_checksum              29042
_shelx_hkl_checksum              13758
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a mylar loop in oil'
_olex2_submission_special_instructions 'No special instructions were received'