Group 1 Bis(iminophosphorano)methanides, Part 1:N-Alkyl and Silyl Derivatives of the Sterically Demanding Methanes H2C(PPh2NR)2(R = Adamantyl and Trimethylsilyl)
Wooles, Ashley J.; Gregson, Matthew; Cooper, Oliver J.; Middleton-Gear, Amy; Mills, David P.; Lewis, William; Blake, Alexander J.; Liddle, Stephen T.; Organometallics 30 (2011) 5314–; doi:10.1021/om200553s

data_4065080
_publ_section_title
;
 Group 1 Bis(iminophosphorano)methanides, Part 1:N-Alkyl and Silyl
 Derivatives of the Sterically Demanding Methanes H2C(PPh2NR)2(R =
 Adamantyl and Trimethylsilyl)
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5314
_journal_paper_doi               10.1021/om200553s
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         '2(C49 H59 I2 La N2 O P2), 3(C4 H8 O)'
_chemical_formula_sum            'C110 H142 I4 La2 N4 O5 P4'
_chemical_formula_weight         2509.58
_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           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.184(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0440(8)
_cell_length_b                   39.599(2)
_cell_length_c                   20.1193(12)
_cell_measurement_reflns_used    37123
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.27
_cell_volume                     10392.2(10)
_computing_cell_refinement       'Bruker SAINT version 6.36A (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; SHELXTL (Sheldrick, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'enCIFer (Allen et al., 2004); PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0247
_diffrn_reflns_av_sigmaI/netI    0.027
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       47
_diffrn_reflns_limit_k_min       -47
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            53355
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.115
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.597
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5024
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.72
_refine_diff_density_min         -0.54
_refine_diff_density_rms         0.09
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.11
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1164
_refine_ls_number_reflns         18112
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.11
_refine_ls_R_factor_all          0.0288
_refine_ls_R_factor_gt           0.0266
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.036P)^2^+13.821P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0712
_reflns_number_gt                17199
_reflns_number_total             18112
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om200553s_si_001.cif
_cod_data_source_block           10
_cod_original_cell_volume        10392.2(11)
_cod_original_sg_symbol_Hall     '-P 2ybc  '
_cod_original_sg_symbol_H-M      'P 21/c  '
_cod_database_code               4065080