Observations and Mechanistic Insights on Unusual Stability of Neutral Nickel Complexes with a Sterically Crowded Metal Center
Song, Dong-Po; Wang, Yong-Xia; Mu, Hong-Liang; Li, Bai-Xiang; Li, Yue-Sheng; Organometallics 30 (2011) 925–; doi:10.1021/om100725h

data_4063642
_publ_section_title
;
 Observations and Mechanistic Insights on Unusual Stability of Neutral
 Nickel Complexes with a Sterically Crowded Metal Center
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              925
_journal_paper_doi               10.1021/om100725h
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C35 H38 N2 Ni O'
_chemical_formula_weight         561.38
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 91.5880(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.9534(6)
_cell_length_b                   19.7986(8)
_cell_length_c                   9.6037(4)
_cell_measurement_reflns_used    5593
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      25.8529
_cell_measurement_theta_min      2.3578
_cell_volume                     3032.2(2)
_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      185(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX 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  0.0210
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            15536
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    0.669
_exptl_absorpt_correction_T_max  0.954
_exptl_absorpt_correction_T_min  0.930
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   (SADABS)
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         5960
_refine_ls_number_restraints     23
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.6552P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1020
_refine_ls_wR_factor_ref         0.1085
_reflns_number_gt                4943
_reflns_number_total             5960
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100725h_si_002.cif
_cod_data_source_block           5a
_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 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'contr' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4063642