Tetradentate Schiff base platinum(II) complexes as new class of phosphorescent materials for high-efficiency and white-light electroluminescent devices.
Che, Chi-Ming; Chan, Siu-Chung; Xiang, Hai-Feng; Chan, Michael C W; Liu, Yu; Wang, Yue; Chemical communications (Cambridge, England)  (2004) 1484–1485; doi:10.1039/b402318h

data_7102709
_publ_section_title
;
 Tetradentate Schiff base platinum(II) complexes as new class of
 phosphorescent materials for high-efficiency and white-light
 electroluminescent devices.
;
_journal_issue                   13
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1484
_journal_page_last               1485
_journal_paper_doi               10.1039/b402318h
_journal_year                    2004
_chemical_formula_moiety         'C20 H22 N2 O2 Pt'
_chemical_formula_sum            'C20 H22 N2 O2 Pt'
_chemical_formula_weight         517.49
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 94.90(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   22.384(5)
_cell_length_b                   20.718(4)
_cell_length_c                   12.077(2)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     5580.3(19)
_computing_cell_refinement       Scalepack
_computing_data_collection       Marcontrol
_computing_data_reduction        Denzo
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.881
_diffrn_measured_fraction_theta_max 0.881
_diffrn_measurement_device_type  'marresearch IPDS mar300'
_diffrn_measurement_method       Oscillation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0691
_diffrn_reflns_av_sigmaI/netI    0.1392
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            28179
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    7.558
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.848
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3000
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.960
_refine_diff_density_min         -2.327
_refine_diff_density_rms         0.174
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.788
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     658
_refine_ls_number_reflns         9009
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.788
_refine_ls_R_factor_all          0.0780
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w==1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.0000P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0868
_reflns_number_gt                5068
_reflns_number_total             9009
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b402318h.txt
_cod_data_source_block           mar827a
_cod_database_code               7102709