Chiral Nickel(II) and Palladium(II) NCN-Pincer Complexes Based on Substituted Benzene: Synthesis, Structure, and Lewis Acidity
Bugarin, Alejandro; Connell, Brian T.; Organometallics 27 (2008) 4357–; doi:10.1021/om8004367

data_4071868
_publ_section_title
;
 Chiral Nickel(II) and Palladium(II) NCN-Pincer Complexes Based on
 Substituted Benzene: Synthesis, Structure, and Lewis Acidity
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              4357
_journal_paper_doi               10.1021/om8004367
_journal_volume                  27
_journal_year                    2008
_chemical_absolute_configuration rm
_chemical_formula_sum            'C22 H31 I N2 O2'
_chemical_formula_weight         482.39
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 95.246(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.478(6)
_cell_length_b                   21.389(13)
_cell_length_c                   11.315(7)
_cell_measurement_reflns_used    8002
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      24.88
_cell_measurement_theta_min      2.36
_cell_volume                     2284(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0729
_diffrn_reflns_av_sigmaI/netI    0.0847
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            18541
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.81
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.420
_exptl_absorpt_correction_T_max  0.8711
_exptl_absorpt_correction_T_min  0.6006
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'orange    '
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'needle    '
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.720
_refine_diff_density_min         -0.719
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         7590
_refine_ls_number_restraints     424
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0618
_refine_ls_R_factor_gt           0.0461
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
; calc                                                                         
 [1.00000+0.00000exp(0.00(sin\q/\l)^2^)]/                                      
   [\s^2^(Fo^2^)+3000.0000+0.0000*P+(0.0000P)^2^+0.0000sin\q/\l]               
 where P = 0.33333Fo^2^ + 0.66667Fc^2^                                         
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.0906
_reflns_number_gt                6256
_reflns_number_total             7590
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8004367_si_002.cif
_cod_data_source_block           F
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4071868