Metallacyclophanes of 1,6-Bis(diphenylphosphino)pyrene: Excimeric Emission and Effect of Oxygen on Stability of the Rings
Jian Hu; Minh-Hai Nguyen; John H. K. Yip; Inorganic Chemistry 50 (2011) 7429–7439; doi:10.1021/ic102441b

data_4325846
_publ_section_title
;
 Metallacyclophanes of 1,6-Bis(diphenylphosphino)pyrene: Excimeric
 Emission and Effect of Oxygen on Stability of the Rings
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7429
_journal_page_last               7439
_journal_paper_doi               10.1021/ic102441b
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C40 H28 Au2 Cl2 P2'
_chemical_formula_weight         1035.40
_chemical_name_common            5
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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            4
_cell_length_a                   12.3088(8)
_cell_length_b                   15.1451(10)
_cell_length_c                   20.5140(14)
_cell_measurement_reflns_used    3569
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      22.80
_cell_measurement_theta_min      2.35
_cell_volume                     3824.2(4)
_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      223(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0596
_diffrn_reflns_av_sigmaI/netI    0.0696
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            21980
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    7.913
_exptl_absorpt_correction_type   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.798
_exptl_crystal_density_meas      0
_exptl_crystal_description       'rectangular block'
_exptl_crystal_F_000             1960
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.20
_refine_diff_density_max         3.067
_refine_diff_density_min         -2.779
_refine_diff_density_rms         0.268
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.039(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     367
_refine_ls_number_reflns         6715
_refine_ls_number_restraints     96
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0593
_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^)+(0.0378P)^2^+86.4310P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1498
_refine_ls_wR_factor_ref         0.1527
_reflns_number_gt                6001
_reflns_number_total             6715
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic102441b_si_002_5.cif
_cod_data_source_block           3062
_cod_database_code               4325846