Tetravalent Titanium, Zirconium, and Cerium Oxo and Peroxo Complexes Containing an Imidodiphosphinate Ligand
Guo-Cang Wang; Herman H. Y. Sung; Ian D. Williams; Wa-Hung Leung; Inorganic Chemistry 51 (2012) 3640–3647; doi:10.1021/ic202564h

data_4328653
_publ_section_title
;
 Tetravalent Titanium, Zirconium, and Cerium Oxo and Peroxo Complexes
 Containing an Imidodiphosphinate Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3640
_journal_page_last               3647
_journal_paper_doi               10.1021/ic202564h
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C24 H56 N2 O6 P4 Ti'
_chemical_formula_weight         640.49
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                90.00
_cell_angle_beta                 101.077(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.918(4)
_cell_length_b                   15.585(4)
_cell_length_c                   15.326(4)
_cell_measurement_reflns_used    2652
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.00
_cell_measurement_theta_min      2.49
_cell_volume                     3496.9(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0272
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8406
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.91
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.463
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.447
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2992
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0443
_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^)+(0.0700P)^2^+2.0006P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1171
_refine_ls_wR_factor_ref         0.1237
_reflns_number_gt                2485
_reflns_number_total             2992
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202564h_si_001_3.cif
_cod_data_source_block           wang50
_cod_original_cell_volume        3497.0(14)
_cod_database_code               4328653