Synthesis, Structure, and Reactions of a Three-Coordinate Nickel-Carbene Complex, {1,2-Bis(di-tert-butylphosphino)ethane}NiCPh2
Daniel J. Mindiola; Gregory L. Hillhouse; Journal of the American Chemical Society 124 (2002) 9976–9977; doi:10.1021/ja0269183

data_4115072
_publ_section_title
;
 Synthesis, Structure, and Reactions of a Three-Coordinate Nickel-Carbene
 Complex, {1,2-Bis(di-tert-butylphosphino)ethane}NiCPh2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9976
_journal_page_last               9977
_journal_paper_doi               10.1021/ja0269183
_journal_volume                  124
_journal_year                    2002
_chemical_formula_sum            'C31 H50 Ni P2'
_chemical_formula_weight         543.36
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.3880(10)
_cell_angle_beta                 83.5670(10)
_cell_angle_gamma                81.3100(10)
_cell_formula_units_Z            2
_cell_length_a                   9.2052(6)
_cell_length_b                   10.1306(6)
_cell_length_c                   16.7175(11)
_cell_measurement_reflns_used    6820
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.24
_cell_volume                     1480.05(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.926
_diffrn_measured_fraction_theta_max 0.926
_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  0.0325
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13092
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    0.781
_exptl_absorpt_correction_T_max  0.8919
_exptl_absorpt_correction_T_min  0.8595
_exptl_absorpt_correction_type   'semi-empirical from psi scans '
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_meas      1.219
_exptl_crystal_description       block
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.797
_refine_diff_density_min         -0.359
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         6820
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0436
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0581P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1007
_reflns_number_gt                5712
_reflns_number_total             6820
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0269183_s2_1.cif
_cod_data_source_block           danm35m
_cod_database_code               4115072