Attaching Gold and Platinum to the Rim of Pyrene: A Synthetic and Spectroscopic Study
Heng, Wendy Yuqing; Hu, Jian; Yip, John H. K.; Organometallics 26 (2007) 6760–; doi:10.1021/om700716p

data_4073904
_publ_section_title
;
 Attaching Gold and Platinum to the Rim of Pyrene: A Synthetic and
 Spectroscopic Study
;
_journal_issue                   27
_journal_name_full               Organometallics
_journal_page_first              6760
_journal_paper_doi               10.1021/om700716p
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C40 H68 Br2 P4 Pt2'
_chemical_formula_weight         1222.82
_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            4
_cell_length_a                   37.508(2)
_cell_length_b                   9.1892(6)
_cell_length_c                   13.7163(9)
_cell_measurement_reflns_used    3402
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      19.31
_cell_measurement_theta_min      2.28
_cell_volume                     4727.6(5)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0652
_diffrn_reflns_av_sigmaI/netI    0.0900
_diffrn_reflns_limit_h_max       48
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            31783
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    7.762
_exptl_absorpt_correction_T_max  0.5756
_exptl_absorpt_correction_T_min  0.2198
_exptl_absorpt_correction_type   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            'Orangy Red'
_exptl_crystal_density_diffrn    1.718
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2376
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.096
_refine_diff_density_min         -0.981
_refine_diff_density_rms         0.119
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.023(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         9719
_refine_ls_number_restraints     51
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1017
_refine_ls_R_factor_gt           0.0571
_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^)+(0.0476P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1120
_refine_ls_wR_factor_ref         0.1254
_reflns_number_gt                6313
_reflns_number_total             9719
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700716p-file008.cif
_cod_data_source_block           6289a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4073904