Synthesis, characterisation, and dehydrocoupling ability of zirconium complexes bearing hindered bis(amido)silyl ligands.
Lummis, Paul A.; McDonald, Robert; Ferguson, Michael J.; Rivard, Eric; Dalton transactions (Cambridge, England : 2003) 44 (2015) 7009–7020; doi:10.1039/c5dt00306g

data_7034307
_publ_section_title
;
 Synthesis, characterisation, and dehydrocoupling ability of zirconium
 complexes bearing hindered bis(amido)silyl ligands.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7009
_journal_page_last               7020
_journal_paper_doi               10.1039/c5dt00306g
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C36 H62 N2 O Si Zr'
_chemical_formula_sum            'C36 H62 N2 O Si Zr'
_chemical_formula_weight         658.19
_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
_audit_update_record
;
2015-01-12 deposited with the CCDC.
2015-03-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.8730(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3162(4)
_cell_length_b                   13.2629(5)
_cell_length_c                   24.9183(9)
_cell_measurement_reflns_used    9193
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.25
_cell_volume                     3726.4(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_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  0.0196
_diffrn_reflns_av_sigmaI/netI    0.0153
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            32860
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.355
_exptl_absorpt_correction_T_max  0.9084
_exptl_absorpt_correction_T_min  0.8883
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.173
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.441
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     376
_refine_ls_number_reflns         8605
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0272
_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^)+(0.0398P)^2^+1.3611P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0767
_reflns_number_gt                7457
_reflns_number_total             8605
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c5dt00306g2.cif
_cod_data_source_block           riv1129
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3105 2015-03-04 15:46:00Z robertas 

 Adding full bibliography for 7034303--7034308.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7034307