Flexible Diphosphine Ligands with Overall Charges of 0, +1, and +2: Critical Role of the Electrostatics in Favoring Trans over Cis Coordination
Yves Canac; Nathalie Debono; Christine Lepetit; Carine Duhayon; Remi Chauvin; Inorganic Chemistry 50 (2011) 10810–10819; doi:10.1021/ic201342z

data_4326655
_publ_contact_author_address
; 
Centre National de Recherche Scientifique
Laboratoire de Chimie de Coordination
205, route de Narbonne
31077 - Toulouse cedex 04
;
_publ_contact_author_email       canac@lcc-toulouse.fr
_publ_contact_author_name        'Yves Canac'
_publ_section_title
;
 Flexible Diphosphine Ligands with Overall Charges of 0, +1, and +2:
 Critical Role of the Electrostatics in Favoring Trans over Cis
 Coordination
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10810
_journal_page_last               10819
_journal_paper_doi               10.1021/ic201342z
_journal_volume                  50
_journal_year                    2011
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C38 H34 N4 P2, 2(C F3 O3 S)'
_chemical_formula_sum            'C40 H34 F6 N4 O6 P2 S2'
_chemical_formula_weight         906.77
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 105.148(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   30.774(3)
_cell_length_b                   12.2594(14)
_cell_length_c                   28.281(3)
_cell_measurement_reflns_used    9889
_cell_measurement_temperature    180
_cell_measurement_theta_max      23.26
_cell_measurement_theta_min      2.22
_cell_measurement_wavelength     0.71073
_cell_volume                     10298.9(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Kappa APEX II'
_diffrn_measurement_method       \w-\f
_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  0.0792
_diffrn_reflns_av_unetI/netI     0.0594
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            75266
_diffrn_reflns_theta_full        23.95
_diffrn_reflns_theta_max         23.95
_diffrn_reflns_theta_min         1.37
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.229
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.939
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        [c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.17
_exptl_crystal_description       plate
_exptl_crystal_F_000             3728
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.429
_refine_diff_density_min         -0.412
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     544
_refine_ls_number_reflns         8001
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1251
_refine_ls_R_factor_gt           0.0801
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1109P)^2^+27.9726P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2048
_refine_ls_wR_factor_ref         0.2274
_reflns_number_gt                4979
_reflns_number_total             8001
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic201342z_si_002_4.cif
_cod_data_source_block           yc101008
_cod_original_cell_volume        10299(2)
_cod_database_code               4326655