Synthesis and characterization of oxygen-functionalised-NHC silver(i) complexes and NHC transmetallation to nickel(ii).
Hameury, Sophie; de Frémont, Pierre; R Breuil, Pierre-Alain; Olivier-Bourbigou, Hélène; Braunstein, Pierre; Dalton transactions (Cambridge, England : 2003) 43 (2014) 4700–4710; doi:10.1039/c3dt52773e

data_7028663
_publ_section_title
;
 Synthesis and characterization of oxygen-functionalised-NHC silver(i)
 complexes and NHC transmetallation to nickel(ii).
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4700
_journal_page_last               4710
_journal_paper_doi               10.1039/c3dt52773e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C36 H52 Cl2 N4 Ni O2'
_chemical_formula_sum            'C36 H52 Cl2 N4 Ni O2'
_chemical_formula_weight         702.43
_chemical_name_common            (IPrEtOMe)2NiCl2
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      29
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   28.655(3)
_cell_length_b                   8.0546(8)
_cell_length_c                   16.2099(17)
_cell_measurement_reflns_used    19237
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.13
_cell_measurement_theta_min      2.51
_cell_volume                     3741.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0176
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            45690
_diffrn_reflns_theta_full        25.18
_diffrn_reflns_theta_max         25.18
_diffrn_reflns_theta_min         2.51
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.697
_exptl_absorpt_correction_T_max  0.9529
_exptl_absorpt_correction_T_min  0.7221
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1496
_exptl_crystal_recrystallization_method 'THF - Hexane'
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.572
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.474(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         6715
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0531P)^2^+0.5095P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0833
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                6055
_reflns_number_total             6715
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52773e.txt
_cod_data_source_block           compound_15
_cod_database_code               7028663