Synthesis of Heteroleptic Tin(II) and Lead(II) Compounds from Pyrazyl-Linked Bisphosphoranoimine
Leung, Wing-Por; Chan, Ka-Po; Kan, Kwok-Wai; Mak, Thomas C. W.; Organometallics 27 (2008) 2767–; doi:10.1021/om800104x

data_4071319
_publ_section_title
;
 Synthesis of Heteroleptic Tin(II) and Lead(II) Compounds from
 Pyrazyl-Linked Bisphosphoranoimine
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2767
_journal_paper_doi               10.1021/om800104x
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C24 H50 Cl2 N4 P2 Si2 Sn2'
_chemical_formula_weight         821.08
_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                 92.341(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.704(3)
_cell_length_b                   16.533(3)
_cell_length_c                   16.125(3)
_cell_measurement_reflns_used    880
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.54
_cell_measurement_theta_min      2.46
_cell_volume                     3650.4(12)
_computing_cell_refinement       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_collection       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_reduction        'BRUKER SMART CCD DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'BRUKER SMART CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0363
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24783
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    1.688
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.730997
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.494
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.645
_refine_diff_density_min         -0.580
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         9039
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0846
_refine_ls_R_factor_gt           0.0364
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0330P)^2^+3.7266P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0784
_refine_ls_wR_factor_ref         0.1007
_reflns_number_gt                5332
_reflns_number_total             9039
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800104x-file005.cif
_cod_data_source_block           ckp8
_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        3650.3(12)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4071319