Stereoelectronic Factors in Iron Catalysis: Synthesis and Characterization of Aryl-Substituted Iron(II) Carbonyl P–N–N–P Complexes and Their Use in the Asymmetric Transfer Hydrogenation of Ketones
Sues, Peter E.; Lough, Alan J.; Morris, Robert H.; Organometallics 30 (2011) 4418–; doi:10.1021/om2005172

data_4063601
_publ_section_title
;
 Stereoelectronic Factors in Iron Catalysis: Synthesis and
 Characterization of Aryl-Substituted Iron(II) Carbonyl P--N--N--P
 Complexes and Their Use in the Asymmetric Transfer Hydrogenation of
 Ketones
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4418
_journal_paper_doi               10.1021/om2005172
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C20 H27 O3 P, 0.5(H2 O)'
_chemical_formula_sum            'C20 H28 O3.5 P'
_chemical_formula_weight         355.39
_space_group_IT_number           2
_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                93.032(4)
_cell_angle_beta                 90.081(6)
_cell_angle_gamma                103.146(6)
_cell_formula_units_Z            2
_cell_length_a                   6.3111(4)
_cell_length_b                   11.5719(11)
_cell_length_c                   13.4959(15)
_cell_measurement_reflns_used    7683
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      3.0
_cell_volume                     958.36(15)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius B.V., 1997-2002)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXTL V6.1 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.0612
_diffrn_reflns_av_sigmaI/netI    0.1000
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7683
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.41
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.853
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             382
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     230
_refine_ls_number_reflns         3432
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1412
_refine_ls_R_factor_gt           0.0666
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0909P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1501
_refine_ls_wR_factor_ref         0.1879
_reflns_number_gt                1897
_reflns_number_total             3432
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om2005172_si_002.cif
_cod_data_source_block           4b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core 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_formula_sum        'C20 H28 O3.50 P'
_cod_database_code               4063601