Steric and Electronic Parameters Characterizing Bulky and Electron-Rich Dialkylbiarylphosphines
Diebolt, Olivier; Fortman, George C.; Clavier, Hervé; Slawin, Alexandra M. Z.; Escudero-Adán, Eduardo C.; Benet-Buchholz, Jordi; Nolan, Steven P.; Organometallics 30 (2011) 1668–; doi:10.1021/om101174x

data_4064199
_publ_section_title
;
 Steric and Electronic Parameters Characterizing Bulky and Electron-Rich
 Dialkylbiarylphosphines
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1668
_journal_paper_doi               10.1021/om101174x
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C28 H35 Cl Ir O4 P'
_chemical_formula_sum            'C28 H35 Cl Ir O4 P'
_chemical_formula_weight         694.18
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 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                 91.350(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.631(3)
_cell_length_b                   20.819(6)
_cell_length_c                   15.561(4)
_cell_measurement_reflns_used    10386
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      28.5994
_cell_measurement_theta_min      2.6724
_cell_volume                     2795.4(15)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0864
_diffrn_reflns_av_sigmaI/netI    0.1294
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17374
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.32
_diffrn_reflns_theta_min         2.56
_exptl_absorpt_coefficient_mu    4.960
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4989
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.650
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.2400
_exptl_crystal_size_mid          0.1500
_exptl_crystal_size_min          0.0200
_refine_diff_density_max         2.082
_refine_diff_density_min         -1.587
_refine_diff_density_rms         0.180
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.021(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     636
_refine_ls_number_reflns         8741
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0657
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0133P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                7624
_reflns_number_total             8741
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om101174x_si_002.cif
_cod_data_source_block           4c
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2795.2(14)
_cod_original_sg_symbol_H-M      Pn
_cod_database_code               4064199