Oxygen-Induced Ligand Dehydrogenation of a Planar Bis-μ-Chloronickel(I) Dimer Featuring an NHC Ligand
Benjamin R. Dible; Matthew S. Sigman; Atta M. Arif; Inorganic Chemistry 44 (2005) 3774–3776; doi:10.1021/ic050445u

data_4308945
_publ_contact_author_address
;Department of Chemistry
University of Utah
315 South 1400 East
Salt Lake City, Utah 84112-8500
;
_publ_contact_author_email       sigman@chem.utah.edu
_publ_contact_author_name        'Matthew S. Sigman'
_publ_contact_author_phone       801-585-0774
_publ_section_title
;
Oxygen-Induced Ligand Dehydrogenation of a Planar Bis-\m-Chloronickel(I)
Dimer Featuring an NHC Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3774
_journal_page_last               3776
_journal_paper_doi               10.1021/ic050445u
_journal_volume                  44
_journal_year                    2005
_chemical_formula_moiety         'C54 H76 Cl2 N4 Ni2'
_chemical_formula_sum            'C54 H76 Cl2 N4 Ni2'
_chemical_formula_weight         969.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 118.9688(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.3822(9)
_cell_length_b                   12.2535(3)
_cell_length_c                   19.7110(8)
_cell_measurement_reflns_used    5205
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_volume                     5152.2(3)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD Diffractometer'
_diffrn_measurement_method       'Phi plus 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  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0641
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            10211
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.873
_exptl_absorpt_correction_T_max  0.9335
_exptl_absorpt_correction_T_min  0.7797
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2072
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     432
_refine_ls_number_reflns         5892
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0850
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0305P)^2^+4.4226P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0787
_refine_ls_wR_factor_ref         0.0934
_reflns_number_gt                3949
_reflns_number_total             5892
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050445usi20050420_115959_3.cif
_cod_data_source_block           mss025
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4308945