Photophysical Properties of Cyclometalated Pt(II) Complexes: Counterintuitive Blue Shift in Emission with an Expanded Ligand π System
Alberto Bossi; Andreas F. Rausch; Markus J. Leitl; Rafał Czerwieniec; Matthew T. Whited; Peter I. Djurovich; Hartmut Yersin; Mark E. Thompson; Inorganic Chemistry 52 (2013) 12403–12415; doi:10.1021/ic4011532

data_4336520
_publ_section_title
;
 Photophysical Properties of Cyclometalated Pt(II) Complexes:
 Counterintuitive Blue Shift in Emission with an Expanded Ligand \p System
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12403
_journal_page_last               12415
_journal_paper_doi               10.1021/ic4011532
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C28 H29 N O2 Pt'
_chemical_formula_weight         606.61
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.538(8)
_cell_length_b                   13.985(4)
_cell_length_c                   12.769(4)
_cell_measurement_reflns_used    32675
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      27.55
_cell_measurement_theta_min      1.46
_cell_volume                     4739(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1569
_diffrn_reflns_av_sigmaI/netI    0.0964
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            29290
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    5.946
_exptl_absorpt_correction_T_max  0.168
_exptl_absorpt_correction_T_min  0.065
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Blessing,R.H.,Acta Crystallogr.1995,A51,33'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.700
_exptl_crystal_density_meas      calculated
_exptl_crystal_description       rod
_exptl_crystal_F_000             2384
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.583
_refine_diff_density_min         -1.877
_refine_diff_density_rms         0.206
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     590
_refine_ls_number_reflns         7290
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                7001
_reflns_number_total             7290
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic4011532_si_002_4.cif
_cod_data_source_block           ptdbqm
_cod_database_code               4336520