Synthesis, Structure, Dynamics, and Selective Methylation of Platinum and Palladium Diphosphametallacyclobutane Complexes
Chapp, Timothy W.; Schoenfeld, Adam J.; Sanderson, Matthew D.; Chang, Cory L.; Glueck, David S.; Golen, James A.; Moore, Curtis E.; Rheingold, Arnold L.; Organometallics 31 (2012) 5573–; doi:10.1021/om3005367

data_4078929
_publ_section_title
;
 Synthesis, Structure, Dynamics, and Selective Methylation of Platinum and
 Palladium Diphosphametallacyclobutane Complexes
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              5573
_journal_paper_doi               10.1021/om3005367
_journal_volume                  31
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_sum            'C49 H76 P4 Pt'
_chemical_formula_weight         984.07
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 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                   13.735(8)
_cell_length_b                   17.118(8)
_cell_length_c                   20.647(11)
_cell_measurement_reflns_used    9668
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.35
_cell_measurement_theta_min      2.38
_cell_volume                     4854(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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.972
_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  0.0493
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            42384
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.34
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    3.053
_exptl_absorpt_correction_T_max  0.6574
_exptl_absorpt_correction_T_min  0.5531
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2032
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.628
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.068
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.004(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         5807
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0198
_refine_ls_R_factor_gt           0.0180
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0084P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0372
_refine_ls_wR_factor_ref         0.0379
_reflns_number_gt                5544
_reflns_number_total             5807
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3005367_si_002.cif
_cod_data_source_block           glu335
_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      C222(1)
_cod_database_code               4078929