Functionalization of Metal-Protected Chiral Phosphines via Simple Organic Transformations
Yeo, Wee-Chuan; Vittal, Jagadese J.; Koh, Lip Lin; Tan, Geok Kheng; Leung, Pak-Hing; Organometallics 25 (2006) 1259–1269; doi:10.1021/om0509645

data_4074872
_publ_section_title
;
 Functionalization of Metal-Protected Chiral Phosphines via Simple Organic
 Transformations
;
_journal_coden_ASTM              ORGND7
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1259
_journal_page_last               1269
_journal_paper_doi               10.1021/om0509645
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C50 H47 B Cl F4 N O P2 Pt Se'
_chemical_formula_weight         1136.14
_space_group_IT_number           146
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            18
_cell_length_a                   21.6188(5)
_cell_length_b                   21.6188(5)
_cell_length_c                   54.139(3)
_cell_measurement_reflns_used    5465
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      22.61
_cell_measurement_theta_min      2.19
_cell_volume                     21913.1(14)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0424
_diffrn_reflns_av_sigmaI/netI    0.0694
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       64
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            42842
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    3.801
_exptl_absorpt_correction_T_max  0.6584
_exptl_absorpt_correction_T_min  0.4158
_exptl_absorpt_correction_type   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            PALE
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             10116
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.095
_refine_diff_density_min         -0.660
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.002(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1111
_refine_ls_number_reflns         14935
_refine_ls_number_restraints     70
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0345
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0269P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0757
_refine_ls_wR_factor_ref         0.0785
_reflns_number_gt                13443
_reflns_number_total             14935
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0509645si20051110_035206.cif
_cod_data_source_block           2038
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Rhombohedral' changed to
'rhombohedral' 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_cell_volume        21913.3(13)
_cod_original_sg_symbol_H-M      R3
_cod_database_code               4074872