Synthesis of Li/OR phosphinidenoid complexes: on the evidence for intramolecular O-Li donation and the effect of cation encapsulation.
Streubel, Rainer; Kyri, Andreas Wolfgang; Duan, Lili; Schnakenburg, Gregor; Dalton transactions (Cambridge, England : 2003) 43 (2014) 2088–2097; doi:10.1039/c3dt52269e

data_7028900
_publ_section_title
;
 Synthesis of Li/OR phosphinidenoid complexes: on the evidence for
 intramolecular O-Li donation and the effect of cation encapsulation.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2088
_journal_page_last               2097
_journal_paper_doi               10.1039/c3dt52269e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C15 H25 Cr O6 P Si2'
_chemical_formula_sum            'C15 H25 Cr O6 P Si2'
_chemical_formula_weight         440.50
_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                 107.024(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.500(2)
_cell_length_b                   9.2871(12)
_cell_length_c                   14.7982(16)
_cell_measurement_reflns_used    5450
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.47
_cell_measurement_theta_min      2.54
_cell_volume                     2168.3(5)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker X8-KappaApexII'
_diffrn_measurement_method       '\f and \w CCD rotation images, thin slices'
_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  0.0489
_diffrn_reflns_av_sigmaI/netI    0.0513
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            23154
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    0.737
_exptl_absorpt_correction_T_max  0.9854
_exptl_absorpt_correction_T_min  0.8667
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (2009/2), Bruker AXS 2009'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.349
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         5218
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0361P)^2^+0.5579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0753
_refine_ls_wR_factor_ref         0.0834
_reflns_number_gt                3949
_reflns_number_total             5218
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52269e.txt
_cod_data_source_block           2494f
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7028900