HX Addition and Photochemical H2 Elimination by Ni NHC Complexes
Chang Hoon Lee; Timothy R. Cook; Daniel G. Nocera; Inorganic Chemistry 50 (2011) 714–716; doi:10.1021/ic102017t

data_4324369
_publ_section_title
;
 HX Addition and Photochemical H2 Elimination by Ni NHC Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              714
_journal_page_last               716
_journal_paper_doi               10.1021/ic102017t
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C42 H48.96 Br1.04 N4 Ni'
_chemical_formula_weight         751.60
_chemical_name_common            NiHBr(IMes)2
_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            8
_cell_length_a                   17.1678(11)
_cell_length_b                   18.7108(12)
_cell_length_c                   23.3170(15)
_cell_measurement_temperature    100(2)
_cell_volume                     7490.0(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0816
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            149027
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    1.662
_exptl_absorpt_correction_T_max  0.8548
_exptl_absorpt_correction_T_min  0.5636
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_description       block
_exptl_crystal_F_000             3146
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.631
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     447
_refine_ls_number_reflns         9290
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0703
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0563P)^2^+12.8187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1092
_refine_ls_wR_factor_ref         0.1253
_reflns_number_gt                6856
_reflns_number_total             9290
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic102017t_si_002_3.cif
_cod_data_source_block           10152
_cod_database_code               4324369