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_4331101
_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_moiety         '2(C30 H27 N O2 P2), 4(H2 O)'
_chemical_formula_sum            'C30 H31 N O4 P2'
_chemical_formula_weight         531.50
_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                91.246(10)
_cell_angle_beta                 99.788(11)
_cell_angle_gamma                109.750(9)
_cell_formula_units_Z            4
_cell_length_a                   9.873(3)
_cell_length_b                   13.325(4)
_cell_length_c                   22.878(7)
_cell_measurement_reflns_used    33621
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25.19
_cell_measurement_theta_min      0.91
_cell_volume                     2781.3(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker-APEX-II CCD area detector'
_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  0.0892
_diffrn_reflns_av_sigmaI/netI    0.1025
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            33621
_diffrn_reflns_theta_full        25.19
_diffrn_reflns_theta_max         25.19
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    0.192
_exptl_absorpt_correction_T_max  0.9755
_exptl_absorpt_correction_T_min  0.9102
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.413
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     691
_refine_ls_number_reflns         9853
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1528
_refine_ls_R_factor_gt           0.0608
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0756P)^2^+0.7164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1408
_refine_ls_wR_factor_ref         0.1845
_reflns_number_gt                4769
_reflns_number_total             9853
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic301967r_si_002_2.cif
_cod_data_source_block           compound6
_cod_original_cell_volume        2781.3(16)
_cod_database_code               4331101