Neodymium(III) phosphinidene complexes supported by pentamethylcyclopentadienyl and hydrotris(pyrazolyl)borate ligands.
Cui, Peng; Chen, Yaofeng; Borzov, Maxim V.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 6886–6890; doi:10.1039/C001839B

data_7025573
_publ_section_title
;
 Neodymium(III) phosphinidene complexes supported by
 pentamethylcyclopentadienyl and hydrotris(pyrazolyl)borate ligands.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6886
_journal_page_last               6890
_journal_paper_doi               10.1039/C001839B
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C52 H80 Nd2 O2 P2'
_chemical_formula_sum            'C52 H80 Nd2 O2 P2'
_chemical_formula_weight         1087.58
_chemical_name_common
;
Bis(mu-(2,6-bis(1-methylethyl)phenyl)phosphinidene)bis(eta$5!-
1,2,3,4,5-
pentamethylcyclopentadienyl)di(tetrahydrofuran)dineodymium(iii)
;
_chemical_name_systematic
;
Bis{\m-[2,6-bis(1-methylethyl)phenyl]phosphinidene}bis(\h^5^-1,2,3,4,5-
pentamethylcyclopentadienyl)di(tetrahydrofuran)dineodymium(III)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.184(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.3913(10)
_cell_length_b                   18.0366(16)
_cell_length_c                   12.6070(11)
_cell_measurement_reflns_used    4478
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.19
_cell_measurement_theta_min      2.28
_cell_volume                     2569.9(4)
_computing_cell_refinement       'SAINT v7.34A (Bruker, 2007)'
_computing_data_collection       'BRUKER AXS APEX-2 V1.0-8 (Bruker, 2007)'
_computing_data_reduction        'SAINT v7.34A (Bruker, 2007)'
_computing_molecular_graphics
;
SHELXTL97 (Sheldrick, 2008), <i>OLEX2</i> (Dolomanov <i>et al.</i>, 2009)
;
_computing_publication_material
;
<i>SHELXTL97</i> (Sheldrick, 2008), <i>OLEX2</i> (Dolomanov <i>et al.</i>, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'BRUKER SMART CCD'
_diffrn_measurement_method       'phi and omega 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  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0358
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            12923
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.98
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.096
_exptl_absorpt_correction_T_max  0.7303
_exptl_absorpt_correction_T_min  0.5720
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '<i>SADABS</i> (Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1116
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.710
_refine_diff_density_min         -0.675
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4570
_refine_ls_number_restraints     79
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0439P)^2^+1.0165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0813
_refine_ls_wR_factor_ref         0.0841
_reflns_number_gt                3961
_reflns_number_total             4570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c001839b.txt
_cod_data_source_block           z
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7025573