Bis(phosphinimino)methanides as non-innocent ligand in zinc chemistry: synthesis and structures.
Marks, Sebastian; Panda, Tarun K.; Roesky, Peter W.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7230–7235; doi:10.1039/c0dt00186d

data_7026083
_publ_section_title
;
 Bis(phosphinimino)methanides as non-innocent ligand in zinc chemistry:
 synthesis and structures.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7230
_journal_page_last               7235
_journal_paper_doi               10.1039/c0dt00186d
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C52 H58 N4 P2 Si2 Zn'
_chemical_formula_sum            'C52 H58 N4 P2 Si2 Zn'
_chemical_formula_weight         922.55
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_date             09-08-12
_audit_creation_method           'STOE X-RED'
_cell_angle_alpha                90.00
_cell_angle_beta                 101.71(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.032(2)
_cell_length_b                   19.711(4)
_cell_length_c                   22.993(5)
_cell_measurement_reflns_used    21152
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.21
_cell_measurement_theta_min      1.37
_cell_volume                     4895.8(18)
_computing_cell_refinement       'STOE X-AREA, PLATON (A.L.Spek, 2005)'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED, PLATON (A.L.Spek, 2005)'
_computing_molecular_graphics    'Diamond 2.1e/3'
_computing_publication_material  'X-STEP32, Microsoft Word'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_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  0.0725
_diffrn_reflns_av_sigmaI/netI    0.0638
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            37500
_diffrn_reflns_theta_full        26.75
_diffrn_reflns_theta_max         26.75
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  0.9423
_exptl_absorpt_correction_T_min  0.8796
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'STOE X-RED & X-SHAPE'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1944
_exptl_crystal_size_max          0.236
_exptl_crystal_size_mid          0.146
_exptl_crystal_size_min          0.093
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     558
_refine_ls_number_reflns         10377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0854
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0476P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00186d.txt
_cod_data_source_block           4
_cod_original_cell_volume        4895.9(17)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7026083