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_4073905
_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 Br3 P4 Pt2'
_chemical_formula_weight         1302.73
_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                 102.3620(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.0276(5)
_cell_length_b                   14.8358(8)
_cell_length_c                   17.3662(9)
_cell_measurement_reflns_used    4881
_cell_measurement_temperature    243(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.31
_cell_volume                     2272.0(2)
_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      243(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15739
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    8.956
_exptl_absorpt_correction_T_max  0.3670
_exptl_absorpt_correction_T_min  0.1507
_exptl_absorpt_correction_type   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    1.904
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'RECTANGULAR ROD'
_exptl_crystal_F_000             1258
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.375
_refine_diff_density_min         -0.896
_refine_diff_density_rms         0.126
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         5205
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0218P)^2^+5.6998P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0727
_refine_ls_wR_factor_ref         0.0755
_reflns_number_gt                4453
_reflns_number_total             5205
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700716p-file009.cif
_cod_data_source_block           6345
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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      P2(1)/c
_cod_database_code               4073905