Walphos versus Biferrocene-Based Walphos Analogues in the Asymmetric Hydrogenation of Alkenes and Ketones.
Zirakzadeh, Afrooz; Groß, Manuela A; Wang, Yaping; Mereiter, Kurt; Weissensteiner, Walter; Organometallics 33 (2014) 1945–1952; doi:10.1021/om401074a

data_4082969
_publ_section_title
;
 Walphos versus Biferrocene-Based Walphos Analogues in the Asymmetric
 Hydrogenation of Alkenes and Ketones.
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              1945
_journal_page_last               1952
_journal_paper_doi               10.1021/om401074a
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C36 H36 Fe2 N P'
_chemical_formula_sum            'C36 H36 Fe2 N P'
_chemical_formula_weight         625.33
_chemical_name_common            '1573 yw32-2 (R,S~Fc~,S~Fc~)-6 xx3'
_chemical_name_systematic
; 
(R,S~Fc~,S~Fc~)-2-[1-(N,N-Dimethylamino)ethyl]-2''-diphenylphosphino-
1,1''-biferrocene, (R,S~Fc~,S~Fc~)-6
;
_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                 99.319(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3616(3)
_cell_length_b                   18.1714(7)
_cell_length_c                   22.4087(9)
_cell_measurement_reflns_used    9966
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.93
_cell_measurement_theta_min      2.24
_cell_volume                     2958.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            70046
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    1.061
_exptl_absorpt_correction_T_max  0.91
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'program SADABS'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.728
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.073
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881; 8309 Friedel pairs'
_refine_ls_abs_structure_Flack   0.017(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     727
_refine_ls_number_reflns         17172
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0406
_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^)+(0.0385P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0827
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                15307
_reflns_number_total             17172
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om401074a_si_002.cif
_cod_data_source_block           6-1573
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4082968--4082970.cif.

 Adding full bibliography for 4082968--4082970.cif.
;
_cod_original_sg_symbol_Hall     'P 2yb '
_cod_original_sg_symbol_H-M      'P 21 '
_cod_database_code               4082969