Tuning Excited States of Bipyridyl Platinum(II) Chromophores with π-Bonded Catecholate Organometallic Ligands: Synthesis, Structures, TD-DFT Calculations, and Photophysical Properties.
Moussa, Jamal; Chamoreau, Lise-Marie; Degli Esposti, Alessandra; Gullo, Maria Pia; Barbieri, Andrea; Amouri, Hani; Inorganic chemistry 53 (2014) 6624–6633; doi:10.1021/ic500232w

data_4338774
_publ_section_title
;
 Tuning Excited States of Bipyridyl Platinum(II) Chromophores with
 \p-Bonded Catecholate Organometallic Ligands: Synthesis, Structures,
 TD-DFT Calculations, and Photophysical Properties.
;
_journal_issue                   13
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6624
_journal_page_last               6633
_journal_paper_doi               10.1021/ic500232w
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         '(C26 H27 Ir N2 O2 Pt)2+, 2(B F4)-, C2 H3 N'
_chemical_formula_sum            'C28 H30 B2 F8 Ir N3 O2 Pt'
_chemical_formula_weight         1001.46
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.291(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3386(10)
_cell_length_b                   14.8046(9)
_cell_length_c                   18.2950(14)
_cell_measurement_reflns_used    249
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      20.7
_cell_measurement_theta_min      3.9
_cell_volume                     3070.3(4)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0582
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            34568
_diffrn_reflns_theta_full        30.01
_diffrn_reflns_theta_max         30.01
_diffrn_reflns_theta_min         2.23
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.962
_exptl_absorpt_correction_T_max  0.699
_exptl_absorpt_correction_T_min  0.373
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
SADABS: Bruker (2001). Bruker AXS Inc., 
Madison,Wisconsin, USA. 
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.167
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       stick
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.053
_refine_diff_density_min         -1.050
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         8884
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.037
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0296P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0591
_refine_ls_wR_factor_ref         0.0661
_reflns_number_gt                6415
_reflns_number_total             8884
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic500232w_si_002.cif
_cod_data_source_block           jm-28
_cod_depositor_comments
'Adding full bibliography for 4338773--4338776.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4338774