Direct synthesis of cis-dihalido-bis(NHC) complex of nickel(II) and catalytic application in olefin addition polymerization: effect of halogen co-ligands and density functional theory study.
Zhang, Dao; Zhou, Sen; Li, Zhiming; Wang, Quanrui; Weng, Linhong; Dalton transactions (Cambridge, England : 2003) 42 (2013) 12020–12030; doi:10.1039/c3dt50957e

data_7023190
_publ_section_title
;
 Direct synthesis of cis-dihalido-bis(NHC) complex of nickel(II) and
 catalytic application in olefin addition polymerization: effect of
 halogen co-ligands and density functional theory study.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12020
_journal_page_last               12030
_journal_paper_doi               10.1039/c3dt50957e
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C72 H63 Ag4 Br4 P4'
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_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
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_computing_cell_refinement       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
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_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
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_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_Laue_measured_fraction_full 0.964
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_diffrn_reflns_point_group_measured_fraction_full 0.964
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_refine_ls_R_factor_all          0.1182
_refine_ls_R_factor_gt           0.0753
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
; 
 w=1/[\s^2^(Fo^2^)+(0.1453P)^2^] 
 where P=(Fo^2^+2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
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_shelxl_version_number           2013-2
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_shelx_hkl_checksum              89260