Reaction of stannylene phosphorus Lewis pairs with dichlorides of germanium, tin and lead - the formation of base stabilized stannyl stannylenes/germylenes and redox reaction with PbCl2.
Krebs, K. M.; Maudrich, J.-J.; Wesemann, L.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 8081–8088; doi:10.1039/c6dt00916f

data_7039023
_publ_section_title
;
 Reaction of stannylene phosphorus Lewis pairs with dichlorides of
 germanium, tin and lead - the formation of base stabilized stannyl
 stannylenes/germylenes and redox reaction with PbCl2.
;
_journal_issue                   19
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8081
_journal_page_last               8088
_journal_paper_doi               10.1039/c6dt00916f
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C68 H79 Cl2 P Sn2'
_chemical_formula_weight         1235.56
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-03-03 deposited with the CCDC.
2016-03-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.1761(10)
_cell_length_b                   19.7911(7)
_cell_length_c                   10.5653(3)
_cell_measurement_reflns_used    9964
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.19
_cell_volume                     6100.7(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0306
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            64733
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.972
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8846
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2544
_exptl_crystal_size_max          0.337
_exptl_crystal_size_mid          0.280
_exptl_crystal_size_min          0.172
_refine_diff_density_max         0.750
_refine_diff_density_min         -0.528
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.004(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     702
_refine_ls_number_reflns         14893
_refine_ls_number_restraints     43
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0257
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0149P)^2^+2.8819P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0485
_refine_ls_wR_factor_ref         0.0494
_reflns_number_gt                14049
_reflns_number_total             14893
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt00916f2.cif
_cod_data_source_block           kk92_0ma
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7039020--7039024.cif.
;
_cod_original_sg_symbol_H-M      'Pna2(1) '
_cod_database_code               7039023