A chiral diphosphine as trans-chelate ligand and its relevance to catalysis.
Nasser, Nasser; Eisler, Dana J; Puddephatt, Richard J; Chemical communications (Cambridge, England) 46 (2010) 1953–1955; doi:10.1039/b923911a

data_7105300
_publ_section_title
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 A chiral diphosphine as trans-chelate ligand and its relevance to
 catalysis.
;
_journal_issue                   11
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1953
_journal_page_last               1955
_journal_paper_doi               10.1039/b923911a
_journal_volume                  46
_journal_year                    2010
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C44 H40 Au N2 O2 P2, B F4, 3 (C H2 Cl2)'
_chemical_formula_sum            'C47 H46 Au B Cl6 F4 N2 O2 P2'
_chemical_formula_weight         1229.2
_chemical_name_systematic
;
?
;
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                73.731(2)
_cell_angle_beta                 89.798(2)
_cell_angle_gamma                81.870(2)
_cell_formula_units_Z            2
_cell_length_a                   11.9958(4)
_cell_length_b                   12.1404(3)
_cell_length_c                   18.3736(6)
_cell_measurement_reflns_used    50733
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     2541.02(14)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'phi\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  0.0456
_diffrn_reflns_av_sigmaI/netI    0.1062
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23994
_diffrn_reflns_theta_full        26.12
_diffrn_reflns_theta_max         26.12
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    3.327
_exptl_absorpt_correction_T_max  0.512
_exptl_absorpt_correction_T_min  0.461
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.607
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1220
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.982
_refine_diff_density_min         -1.230
_refine_diff_density_rms         0.219
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881, 8176 Friedel pairs'
_refine_ls_abs_structure_Flack   0.022(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     515
_refine_ls_number_reflns         18064
_refine_ls_number_restraints     39
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0846
_refine_ls_R_factor_gt           0.0612
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0900P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1660
_reflns_number_gt                14395
_reflns_number_total             18064
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b923911a.txt
_cod_data_source_block           09047
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               7105300