A new family of luminescent compounds: platinum(II) imidoylamidinates exhibiting pH-dependent room temperature luminescence.
Sarova, Ginka H.; Bokach, Nadezhda A.; Fedorov, Alexander A.; Berberan-Santos, Mário N; Kukushkin, Vadim Yu; Haukka, Matti; Fraústo da Silva, João J R; Pombeiro, Armando J. L.; Dalton transactions (Cambridge, England : 2003)  (2006) 3798–3805; doi:10.1039/b602083f

data_7007232
_publ_section_title
;
 A new family of luminescent compounds: platinum(II) imidoylamidinates
 exhibiting pH-dependent room temperature luminescence.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3798
_journal_page_last               3805
_journal_paper_doi               10.1039/b602083f
_journal_year                    2006
_chemical_formula_moiety         'C40 H32 N6 Pt, 2(C H2 Cl2)'
_chemical_formula_sum            'C42 H36 Cl4 N6 Pt'
_chemical_formula_weight         961.66
_chemical_name_common            '[Pt{NH=C(Ph)NC(Ph)=NPh}2].2CH2Cl2'
_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                 110.086(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.6529(9)
_cell_length_b                   6.0112(2)
_cell_length_c                   22.0709(12)
_cell_measurement_temperature    100(2)
_cell_volume                     1950.40(17)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP in SHELXTL v.6.12 (Bruker AXS, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0699
_diffrn_reflns_av_sigmaI/netI    0.0566
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            12271
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.91
_exptl_absorpt_coefficient_mu    3.910
_exptl_absorpt_correction_T_max  0.8262
_exptl_absorpt_correction_T_min  0.2427
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Xprep in Shelxtl v.6.12 (Bruker AXS, 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.637
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.748
_refine_diff_density_min         -1.329
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3673
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0352
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0111P)^2^+10.7851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0794
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                2697
_reflns_number_total             3673
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b602083f.txt
_cod_data_source_block           compound_4
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7007232