Synthesis and Reactivity of New Ni, Pd, and Pt 2,6-Bis(di-tert-butylphosphinito)pyridine Pincer Complexes
Sabuj Kundu; William W. Brennessel; William D. Jones; Inorganic Chemistry 50 (2011) 9443–9453; doi:10.1021/ic201102v

data_4326336
_publ_contact_author_address
'Department of Chemistry, University of Rochester, Rochester, New York 14627'
_publ_contact_author_email       jones@chem.rochester.edu
_publ_contact_author_name        'William D. Jones'
_publ_section_title
;
 Synthesis and Reactivity of New Ni, Pd, and Pt
 2,6-Bis(di-tert-butylphosphinito)pyridine Pincer Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9443
_journal_page_last               9453
_journal_paper_doi               10.1021/ic201102v
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C21 H40 Cl N Ni O2 P2'
_chemical_formula_sum            'C21 H40 Cl N Ni O2 P2'
_chemical_formula_weight         494.64
_chemical_name_common            jonsk03_4a
_chemical_name_systematic
; 
 (H-PONOP)NiCl 
;
_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                99.784(4)
_cell_angle_beta                 95.584(4)
_cell_angle_gamma                103.959(4)
_cell_formula_units_Z            2
_cell_length_a                   8.3879(16)
_cell_length_b                   11.824(2)
_cell_length_c                   13.358(3)
_cell_measurement_reflns_used    4068
_cell_measurement_temperature    173.0(5)
_cell_measurement_theta_max      32.26
_cell_measurement_theta_min      2.53
_cell_volume                     1253.7(4)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      173.0(5)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0645
_diffrn_reflns_av_sigmaI/netI    0.0609
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            36714
_diffrn_reflns_theta_full        33.14
_diffrn_reflns_theta_max         33.14
_diffrn_reflns_theta_min         1.81
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.024
_exptl_absorpt_correction_T_max  0.9506
_exptl_absorpt_correction_T_min  0.7487
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            yellow-orange
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_description       needle
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.235
_refine_diff_density_min         -0.827
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     296
_refine_ls_number_reflns         9521
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0502P)^2^+0.3455P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1205
_reflns_number_gt                6301
_reflns_number_total             9521
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201102v_si_002_05.cif
_cod_data_source_block           jonsk03_4a
_cod_original_cell_volume        1253.6(4)
_cod_database_code               4326336