Amidine functionalized phosphines: tuneable ligands for transition metals
Newman, Paul David; Melen, Rebecca; Platts, James A.; Wilkins, Lewis; Dalton Trans.  (2017) –; doi:10.1039/C7DT03343E

data_7044399
_publ_section_title
;
 Amidine functionalized phosphines: tuneable ligands for transition metals
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT03343E
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H32 Cl2 N2 O4 P Rh'
_chemical_formula_sum            'C20 H32 Cl2 N2 O4 P Rh'
_chemical_formula_weight         569.25
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2017-06-20 deposited with the CCDC.
2017-10-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.783(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_length_b                   12.8581(3)
_cell_length_c                   22.0217(6)
_cell_measurement_reflns_used    17306
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.3590
_cell_measurement_theta_min      3.2800
_cell_volume                     5734.9(3)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_molecular_graphics    XSHELL
_computing_publication_material  XCIF
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    SHELXS
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type
'Agilent Supernova Dual Atlas w/ CCD detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_unetI/netI     0.0312
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            27505
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         3.078
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.861
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.667
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43f (Rigaku Oxford Diffraction, 2015)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model Empirical absorption correction using 
spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_description       block
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.237
_exptl_crystal_size_mid          0.175
_exptl_crystal_size_min          0.099
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.370
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   -0.009(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     542
_refine_ls_number_reflns         12693
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0230
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0236P)^2^+1.8400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0534
_refine_ls_wR_factor_ref         0.0547
_reflns_Friedel_coverage         0.915
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                12056
_reflns_number_total             12693
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt03343e2.cif
_cod_data_source_block           rm1706_sq
_cod_original_cell_volume        5734.9(2)
_cod_database_code               7044399
_shelx_estimated_absorpt_t_min   0.822
_shelx_estimated_absorpt_t_max   0.920
_shelxl_version_number           2013-3
_shelx_res_checksum              45230
_shelx_fab_checksum              41397