Bis-(2,5-diphenylphospholanes) with sp^2^ Carbon Linkers: Synthesis and Application in Asymmetric Hydrogenation
Martin E. Fox; Mark Jackson; Ian C. Lennon; Jerzy Klosin; Khalil A. Abboud; Journal of Organic Chemistry 73 (2008) 775–784; doi:10.1021/jo7014938

data_4023223
_publ_section_title
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 Bis-(2,5-diphenylphospholanes) with sp^2^ Carbon Linkers:
 Synthesis and Application in Asymmetric Hydrogenation
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              775
_journal_page_last               784
_journal_paper_doi               10.1021/jo7014938
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C51 H54 B Cl2 F4 Fe P Rh'
_chemical_formula_weight         1014.38
_chemical_name_systematic
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 ?

;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 96.885(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.9694(6)
_cell_length_b                   18.716(1)
_cell_length_c                   11.0478(6)
_cell_measurement_reflns_used    231
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     2251.8(2)
_computing_cell_refinement
'Bruker SMART v5.624 & SAINT 6.36a (Bruker 1998)'
_computing_data_collection       'Bruker SMART v5.624 (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL v6.14 (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL v6.14'
_computing_publication_material  'Bruker SHELXTL v6.14'
_computing_structure_refinement  'Bruker SHELXTL v6.14'
_computing_structure_solution    'Bruker SHELXTL v6.14'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'SMART CCD area detector'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            15072
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.86
_diffrn_standards_decay_%        1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.895
_exptl_absorpt_correction_T_max  0.9237
_exptl_absorpt_correction_T_min  0.8040
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.12 (Bruker 1998)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.496
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             1042
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.300
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     571
_refine_ls_number_reflns         9391
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0234
_refine_ls_R_factor_gt           0.0228
_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^)+(0.0368P)^2^+0.3592P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0583
_refine_ls_wR_factor_ref         0.0587
_reflns_number_gt                9189
_reflns_number_total             9391
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo7014938-File001_2.cif
_cod_data_source_block           '[((S,S)-Ph-5-Fc)]Rh(COD)BF4'
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4023223