Anagostic Interactions and Catalytic Activities of Sterically Bulky Benzannulated N-Heterocyclic Carbene Complexes of Nickel(II)
Huynh, Han Vinh; Wong, Ling Rong; Ng, Pearly Shuyi; Organometallics 27 (2008) 2231–; doi:10.1021/om800004j

data_4071165
_publ_section_title
;
 Anagostic Interactions and Catalytic Activities of Sterically Bulky
 Benzannulated N-Heterocyclic Carbene Complexes of Nickel(II)
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2231
_journal_paper_doi               10.1021/om800004j
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C30 H44 Br2 N4 Ni'
_chemical_formula_weight         679.22
_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            4
_cell_length_a                   11.2799(7)
_cell_length_b                   15.3817(10)
_cell_length_c                   18.4142(12)
_cell_measurement_reflns_used    3209
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      22.92
_cell_measurement_theta_min      2.50
_cell_volume                     3194.9(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0397
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            21424
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    3.133
_exptl_absorpt_correction_T_max  0.8343
_exptl_absorpt_correction_T_min  0.3034
_exptl_absorpt_correction_type   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.585
_refine_diff_density_min         -0.251
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3654
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0755
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0645P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1178
_reflns_number_gt                2423
_reflns_number_total             3654
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800004j-file006.cif
_cod_data_source_block           Complex10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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      Pbca
_cod_database_code               4071165