N-Heterocyclic Carbene Bound Nickel(I) Complexes and Their Roles in Catalysis.
Zhang, Kainan; Conda-Sheridan, Martin; Cooke, Shayna; Louie, Janis; Organometallics 30 (2011) 2546–2552; doi:10.1021/om200090d

data_4064415
_publ_section_title
;
 N-Heterocyclic Carbene Bound Nickel(I) Complexes and Their Roles in
 Catalysis.
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2546
_journal_page_last               2552
_journal_paper_doi               10.1021/om200090d
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C21 H31 Br N4 Ni O'
_chemical_formula_sum            'C21 H31 Br N4 Ni O'
_chemical_formula_weight         494.12
_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                 112.0432(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.01950(10)
_cell_length_b                   27.5695(4)
_cell_length_c                   9.47800(10)
_cell_measurement_reflns_used    8566
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_volume                     2184.55(5)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'WinGX, Ortep3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      150(1)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD Diffractometer'
_diffrn_measurement_method       'Phi and Omega scan'
_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  0.0205
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10194
_diffrn_reflns_theta_full        27.86
_diffrn_reflns_theta_max         27.86
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    2.736
_exptl_absorpt_correction_T_max  0.5718
_exptl_absorpt_correction_T_min  0.4477
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.899
_refine_diff_density_min         -0.744
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5193
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0392
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0335P)^2^+1.6821P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0720
_refine_ls_wR_factor_ref         0.0756
_reflns_number_gt                4416
_reflns_number_total             5193
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200090d_si_002.cif
_cod_data_source_block           tmiy2Ni(II)MeOPhBr
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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      P21/n
_cod_database_code               4064415