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_4064196
_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_sum            'C41 H61 Cl Ir P'
_chemical_formula_weight         812.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 108.885(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.787(2)
_cell_length_b                   9.3296(11)
_cell_length_c                   22.156(3)
_cell_measurement_reflns_used    8421
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.14
_cell_measurement_theta_min      3.36
_cell_volume                     3674.4(8)
_computing_cell_refinement       'Bruker APEX2 v2009.1-0'
_computing_data_collection       'Bruker APEX2 v2009.1-0'
_computing_data_reduction        'Bruker SAINT V7.60A'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            '4K CCD area detector APEX II'
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.923
_diffrn_measurement_device_type  'Kappa 4-axis goniometer bruker-nonius'
_diffrn_measurement_method
;
 Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support
'magnetic support whith 10 micron nylon fiber cryoloop'
_diffrn_radiation_monochromator  'Multilayer Montel 200 mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0657
_diffrn_reflns_av_sigmaI/netI    0.0590
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            63414
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         36.21
_diffrn_reflns_theta_min         2.78
_diffrn_source                   'rotating anode X-ray tube'
_diffrn_source_current           70
_diffrn_source_power             50
_diffrn_source_size              '3 mm x 0.3 mm fine focus'
_diffrn_source_type              'Bruker-Nonius FR 591'
_exptl_absorpt_coefficient_mu    3.777
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.6
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS Version 2008/1 Bruker-Nonius
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         11.170
_refine_diff_density_min         -6.192
_refine_diff_density_rms         0.283
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         16312
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0870
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0473P)^2^+56.4296P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1608
_refine_ls_wR_factor_ref         0.1681
_reflns_number_gt                13302
_reflns_number_total             16312
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om101174x_si_002.cif
_cod_data_source_block           3d
_cod_depositor_comments
;
The following automatic conversions were performed:
'_diffrn_measurement_specimen_suppport' tag replaced with
'_diffrn_measurement_specimen_support'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

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        3674.4(7)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4064196