Cyclometalated titanium and zirconium complexes stabilised by a new silylmethylene-linked tetradentate triamidophosphine.
Sietzen, M.; Federmann, P.; Sonnenschein, C.; Wadepohl, H.; Ballmann, J.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 3013–3023; doi:10.1039/c5dt04561d

data_7037963
_publ_section_title
;
 Cyclometalated titanium and zirconium complexes stabilised by a new
 silylmethylene-linked tetradentate triamidophosphine.
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3013
_journal_page_last               3023
_journal_paper_doi               10.1039/c5dt04561d
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C30 H48 N4 P Si4 Ta'
_chemical_formula_sum            'C30 H48 N4 P Si4 Ta'
_chemical_formula_weight         789.00
_chemical_properties_physical    moisture-sensitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      61
_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     iterative
_atom_sites_solution_secondary   difmap
_audit_block_code                ba_jb4
_audit_creation_date             2015-12-14
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2015-12-14 deposited with the CCDC.
2015-12-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.2029(17)
_cell_length_b                   19.8978(19)
_cell_length_c                   20.392(2)
_cell_measurement_reflns_used    7450
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.05
_cell_measurement_theta_min      2.28
_cell_volume                     7385.9(12)
_computing_cell_refinement
;
SAINT (see _computing_data_reduction). Includes estimated systematic errors
 of the unit cell constants from Monte Carlo simulations.
;
_computing_data_collection       'SMART-5.631 (Bruker AXS, 2003)'
_computing_data_reduction
'SAINT V8.18C (Bruker AXS, 1997-2013),SADABS-2014_5 (Sheldrick and Bruker AXS, 1997-2014)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material
'encif (Wadepohl, 2009-15); encifer 1.5 (CCDC, 2014)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SUPERFLIP (Palatinus, 2007-2009)'
_diffrn_ambient_environment      'perfluoro polyether oil / N~2~'
_diffrn_ambient_temperature      100(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.19
_diffrn_detector_type            CCD-PXL-KAF2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker AXS Smart 1000'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_measurement_specimen_support 'polyimid foil'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0477
_diffrn_reflns_av_unetI/netI     0.0225
_diffrn_reflns_laue_measured_fraction_full 1.000
_diffrn_reflns_laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            180196
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.969
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.505
_diffrn_reflns_theta_min         1.816
_diffrn_source                   'sealed X-Ray tube (Mo)'
_diffrn_source_type              'fine focus tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.174
_exptl_absorpt_correction_T_max  0.5655
_exptl_absorpt_correction_T_min  0.4365
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements (Blessing 1995)
SADABS (see _computing_data_reduction)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       blocl
_exptl_crystal_F_000             3200
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.959
_refine_diff_density_min         -1.052
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         12952
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0234
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0144P)^2^+11.5678P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0448
_refine_ls_wR_factor_ref         0.0509
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10407
_reflns_number_total             12952
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt04561d2.cif
_cod_data_source_block           ba_jb4
_cod_depositor_comments
'Adding full bibliography for 7037956--7037963.cif.'
_cod_original_cell_volume        7386.0(12)
_cod_database_code               7037963
_audit_block_refno               1546
_audit_block_usercomment         jb053_Ta
_shelx_estimated_absorpt_t_max   0.785
_shelx_estimated_absorpt_t_min   0.529
_shelxl_version_number           2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C15(H15), C16(H16), C17(H17),
 C18(H18), C19(H19), C23(H23), C24(H24), C25(H25), C26(H26), C27(H27)
2.c Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C5(H5A,H5B,H5C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C),
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C28(H28A,H28B,H28C), C29(H29A,H29B,
 H29C), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              76309
_olex2_submission_special_instructions 'No special instructions were received'