Large P−P Distance Diphosphines and Their Monophosphine Analogues as Ligands in the Palladium-Catalyzed Telomerization of 1,3-Butadiene and Methanol
Tschan, Mathieu J.-L.; López-Valbuena, Josep-Maria; Freixa, Zoraida; Launay, Hélène; Hagen, Henk; Benet-Buchholz, Jordi; van Leeuwen, Piet W. N. M.; Organometallics 30 (2011) 792–; doi:10.1021/om100980m

data_4063844
_publ_section_title
;
 Large P&#x2212;P Distance Diphosphines and Their Monophosphine Analogues
 as Ligands in the Palladium-Catalyzed Telomerization of 1,3-Butadiene and
 Methanol
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              792
_journal_paper_doi               10.1021/om100980m
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C56 H68 O4 P2 Pd2 Si4'
_chemical_formula_weight         1192.20
_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                 114.239(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1780(9)
_cell_length_b                   20.8087(12)
_cell_length_c                   18.2061(12)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35.16
_cell_measurement_theta_min      2.39
_cell_volume                     5588.6(6)
_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 0.947
_diffrn_measured_fraction_theta_max 0.917
_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  0.0505
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            123378
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         36.43
_diffrn_reflns_theta_min         1.38
_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    0.830
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.79
_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            yellow
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2456
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.278
_refine_diff_density_min         -0.643
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     623
_refine_ls_number_reflns         25034
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0422P)^2^+1.7934P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0840
_refine_ls_wR_factor_ref         0.0946
_reflns_number_gt                19060
_reflns_number_total             25034
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100980m_si_002.cif
_cod_data_source_block           mt14522_0m
_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_sg_symbol_H-M      P2(1)/c
_cod_database_code               4063844