β-Phosphinoethylboranes as Ambiphilic Ligands in Nickel−Methyl Complexes
Fischbach, Andreas; Bazinet, Patrick R.; Waterman, Rory; Tilley, T. Don; Organometallics 27 (2008) 1135–; doi:10.1021/om7010886

data_4070866
_publ_section_title
;
 \b-Phosphinoethylboranes as Ambiphilic Ligands in Nickel&#x2212;Methyl
 Complexes
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1135
_journal_paper_doi               10.1021/om7010886
_journal_volume                  27
_journal_year                    2008
_chemical_formula_moiety         'C22 H28 B P'
_chemical_formula_sum            'C22 H28 B P'
_chemical_formula_weight         334.22
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   21.0388(19)
_cell_length_b                   21.0388(19)
_cell_length_c                   17.050(2)
_cell_measurement_reflns_used    5273
_cell_measurement_temperature    108(2)
_cell_measurement_theta_max      23.201
_cell_measurement_theta_min      2.472
_cell_volume                     7546.9(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      108(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCC area detedtor'
_diffrn_measurement_method       \w/2\q-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  0.0357
_diffrn_reflns_av_sigmaI/netI    0.0225
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16867
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         1.54
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.848
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs, 2004'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2880
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2701
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0341P)^2^+6.8923P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0788
_refine_ls_wR_factor_ref         0.0834
_reflns_number_gt                2316
_reflns_number_total             2701
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7010886-file001.cif
_cod_data_source_block           Compound_1b
_cod_original_cell_volume        7547.0(13)
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_database_code               4070866