Synthesis and Reactivity of Palladium- and Platinum-Bridged Heterobimetallic [3]Trochrocenophanes
Braunschweig, Holger; Friedrich, Maria; Radacki, Krzysztof; Wolf, Justin; Organometallics 31 (2012) 3027–; doi:10.1021/om201119v

data_4077955
_publ_section_title
;
 Synthesis and Reactivity of Palladium- and Platinum-Bridged
 Heterobimetallic [3]Trochrocenophanes
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              3027
_journal_paper_doi               10.1021/om201119v
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C36 H54 Cl2 Cr P2 Pt'
_chemical_formula_sum            'C36 H54 Cl2 Cr P2 Pt'
_chemical_formula_weight         866.72
_chemical_name_common
;
?
;
_chemical_name_systematic
; 
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 120.951(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.131(3)
_cell_length_b                   18.699(2)
_cell_length_c                   17.4977(18)
_cell_measurement_reflns_used    3352
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.86
_cell_measurement_theta_min      2.18
_cell_volume                     7332.4(14)
_computing_cell_refinement       'Saint+ ver. 7.68A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2010.3 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. 7.68A (Bruker AXS)'
_computing_molecular_graphics    'XP ver. 5.1 (Bruker AXS, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0700
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            6921
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.08
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    4.365
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.5987
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2008/1 (Bruker 2008)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.570
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3488
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_platon_squeeze_details
;
The solven (benzene) molecule was haavily disordered and could be modeled 
only with 3 molecules of rigid geometry (AFIX 173) and apple amound of
constraints/restraints on ADPs. For this reason squeeze was used.
;
_refine_diff_density_max         0.780
_refine_diff_density_min         -1.068
_refine_diff_density_rms         0.134
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.969
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         6921
_refine_ls_number_restraints     567
_refine_ls_restrained_S_all      0.948
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0341
_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^)+(0.0289P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0671
_refine_ls_wR_factor_ref         0.0754
_reflns_number_gt                4554
_reflns_number_total             6921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om201119v_si_002.cif
_cod_data_source_block           9
_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        7332.3(13)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4077955