Titanium(IV) and Zirconium(IV) Amido Complexes Derived from the Azaoxa Macrocycle 3,3-Dimethyl-1,5-diaza-8-oxacyclodecane
Porter, Robin M.; Danopoulos, Andreas A.; Reid, Gillian; Inorganic Chemistry 45 (2006) 6516–6522; doi:10.1021/ic060302n

data_4332373
_publ_section_title
;
 Titanium(IV) and Zirconium(IV) Amido Complexes Derived from the Azaoxa
 Macrocycle 3,3-Dimethyl-1,5-diaza-8-oxacyclodecane
;
_journal_issue                   16
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6516
_journal_page_last               6522
_journal_paper_doi               10.1021/ic060302n
_journal_volume                  45
_journal_year                    2006
_chemical_formula_moiety         'C18 H38 Cl4 N4 O3 Ti2'
_chemical_formula_sum            'C18 H38 Cl4 N4 O3 Ti2'
_chemical_formula_weight         596.12
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.5453(15)
_cell_length_b                   17.8984(14)
_cell_length_c                   24.843(3)
_cell_measurement_reflns_used    27278
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     5133.6(10)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
;
DENZO (Otwinowski & Minor, 1997)
COLLECT (Hooft, 1998)
;
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
PLATON (Spek, 2003)
ENCIFER (Allen, 2004)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF99 (Beurskens, 1999)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD area detector'
_diffrn_measurement_method       'Phi and Omega scans to fill asymmetric unit'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1156
_diffrn_reflns_av_sigmaI/netI    0.0879
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            41423
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         2.99
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.066
_exptl_absorpt_correction_T_max  0.880
_exptl_absorpt_correction_T_min  0.833
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1997)'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2480
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.449
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.940
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         5891
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.940
_refine_ls_R_factor_all          0.0945
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0339P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0722
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                3663
_reflns_number_total             5891
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060302nsup1.cif
_cod_data_source_block           {[Ti(O(HN)N]Cl2}2(O)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4332373