Synthesis and Structure of Platinum Bis(phospholane) Complexes Pt(diphos*)(R)(X), Catalyst Precursors for Asymmetric Phosphine Alkylation
Guino-o, Marites A.; Zureick, Andrew H.; Blank, Natalia F.; Anderson, Brian J.; Chapp, Timothy W.; Kim, Youngmin; Glueck, David S.; Rheingold, Arnold L.; Organometallics 31 (2012) 6900–; doi:10.1021/om300704e

data_4079378
_publ_section_title
;
 Synthesis and Structure of Platinum Bis(phospholane) Complexes
 Pt(diphos*)(R)(X), Catalyst Precursors for Asymmetric Phosphine
 Alkylation
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              6900
_journal_paper_doi               10.1021/om300704e
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C19 H30 Br2 Cl2 P2 Pt'
_chemical_formula_weight         746.18
_chemical_name_systematic
; 

 ? 

;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7848(10)
_cell_length_b                   13.5336(13)
_cell_length_c                   18.4873(18)
_cell_measurement_reflns_used    5024
_cell_measurement_temperature    208(2)
_cell_measurement_theta_max      28.16
_cell_measurement_theta_min      2.57
_cell_volume                     2448.2(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      208(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12842
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.18
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    9.348
_exptl_absorpt_correction_T_max  0.2329
_exptl_absorpt_correction_T_min  0.1484
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.024
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.546
_refine_diff_density_min         -2.669
_refine_diff_density_rms         0.118
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.975
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         5582
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.975
_refine_ls_R_factor_all          0.0261
_refine_ls_R_factor_gt           0.0243
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0150P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0530
_refine_ls_wR_factor_ref         0.0535
_reflns_number_gt                5246
_reflns_number_total             5582
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300704e_si_002.cif
_cod_data_source_block           glu245
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4079378