Formation and Structural and Dynamic Features of Atropisomeric η2-Iminoacyl Zirconium Complexes
Spies, Patrick; Kehr, Gerald; Kehr, Seda; Fröhlich, Roland; Erker, Gerhard; Organometallics 26 (2007) 5612–; doi:10.1021/om7005968

data_4073740
_publ_section_title
;
 Formation and Structural and Dynamic Features of Atropisomeric
 \h2-Iminoacyl Zirconium Complexes
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              5612
_journal_paper_doi               10.1021/om7005968
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C41 H33 P Zr'
_chemical_formula_weight         647.86
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.97(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.291(1)
_cell_length_b                   25.129(1)
_cell_length_c                   15.434(1)
_cell_measurement_reflns_used    6963
_cell_measurement_temperature    198(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      0.41
_cell_volume                     3211.3(5)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.035
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            22545
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.420
_exptl_absorpt_correction_T_max  0.9397
_exptl_absorpt_correction_T_min  0.8335
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            light-yellow
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.317
_refine_diff_density_min         -0.651
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         7862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0475
_refine_ls_R_factor_gt           0.0358
_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^)+(0.0442P)^2^+1.1974P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0861
_refine_ls_wR_factor_ref         0.0921
_reflns_number_gt                6509
_reflns_number_total             7862
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7005968-file001.cif
_cod_data_source_block           erk3454(9)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4073740