Pyrrole-Based New Diphosphines: Pd and Ni Complexes Bearing the PNP Pincer Ligand
Shanish Kumar; Ganesan Mani; Sukanta Mondal; Pratim Kumar Chattaraj; Inorganic Chemistry 51 (2012) 12527–12539; doi:10.1021/ic301967r

data_4331106
_publ_contact_author_address
;Department of Chemistry
Indian Institute of Technology-Kharagpur
Kharagpur, India 721 302
;
_publ_contact_author_email       gmani@chem.iitkgp.ernet.in
_publ_contact_author_fax         91-3222-282252
_publ_contact_author_name        'Mani, Ganesan.'
_publ_contact_author_phone       91-3222-282320
_publ_section_title
;
 Pyrrole-Based New Diphosphines: Pd and Ni Complexes Bearing the PNP
 Pincer Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12527
_journal_page_last               12539
_journal_paper_doi               10.1021/ic301967r
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C30 H26 I N Ni P2'
_chemical_formula_weight         648.07
_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           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 107.151(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   14.436(5)
_cell_length_b                   16.639(5)
_cell_length_c                   11.587(5)
_cell_measurement_reflns_used    30643
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.48
_cell_volume                     2659.4(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker CCD APEX 2'
_diffrn_measurement_method       hemisphere
_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  0.0521
_diffrn_reflns_av_sigmaI/netI    0.0341
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            30643
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    2.031
_exptl_absorpt_correction_T_max  0.9416
_exptl_absorpt_correction_T_min  0.4906
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Purple
_exptl_crystal_density_diffrn    1.619
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.549
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         4670
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0298P)^2^+3.2528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0641
_refine_ls_wR_factor_ref         0.0805
_reflns_number_gt                3571
_reflns_number_total             4670
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic301967r_si_002_7.cif
_cod_data_source_block           NiIcomplex16
_cod_database_code               4331106