A Class of Luminescent Cyclometalated Alkynylgold(III) Complexes: Synthesis, Characterization, and Electrochemical, Photophysical, and Computational Studies of [Au(C^N^C)(C\τbCR)] (C^N^C = κ3C,N,C Bis-cyclometalated 2,6-Diphenylpyridyl)
Keith Man-Chung Wong; Ling-Ling Hung; Wai Han Lam; Nianyong Zhu; Vivian Wing-Wah Yam; Journal of the American Chemical Society 129 (2007) 4350–4365; doi:10.1021/ja068264u

data_4109283
_publ_section_title
;
 A Class of Luminescent Cyclometalated Alkynylgold(III) Complexes:
 Synthesis, Characterization, and Electrochemical, Photophysical, and
 Computational Studies of [Au(C^N^C)(C\\tbCR)] (C^N^C = \k3C,N,C
 Bis-cyclometalated 2,6-Diphenylpyridyl)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4350
_journal_page_last               4365
_journal_paper_doi               10.1021/ja068264u
_journal_volume                  129
_journal_year                    2007
_chemical_formula_moiety         'C25 H15 Au N2 O2'
_chemical_formula_sum            'C25 H15 Au N2 O2'
_chemical_formula_weight         572.36
_chemical_name_systematic
;
 ?
;
_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                 95.58(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.1000(10)
_cell_length_b                   15.197(3)
_cell_length_c                   25.241(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1947.0(7)
_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    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.685
_diffrn_measured_fraction_theta_max 0.685
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0773
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            6961
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    7.581
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'greenish yellow'
_exptl_crystal_density_diffrn    1.953
_exptl_crystal_description       prism
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.550
_refine_diff_density_min         -1.482
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.900
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         2431
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.900
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0348
_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^)+(0.0301P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0790
_reflns_number_gt                1613
_reflns_number_total             2431
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja068264usi20061118_011438.cif
_cod_data_source_block           mar853
_cod_database_code               4109283