Ligand redox effects in the synthesis, electronic structure, and reactivity of an alkyl-alkyl cross-coupling catalyst.
Jones, Gavin D; Martin, Jason L; McFarland, Chris; Allen, Olivia R; Hall, Ryan E; Haley, Aireal D; Brandon, R Jacob; Konovalova, Tatyana; Desrochers, Patrick J; Pulay, Peter; Vicic, David A; Journal of the American Chemical Society 128 (2006) 13175–13183; doi:10.1021/ja063334i

data_4101352
_publ_section_title
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 Ligand redox effects in the synthesis, electronic structure, and
 reactivity of an alkyl-alkyl cross-coupling catalyst.
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13175
_journal_page_last               13183
_journal_paper_doi               10.1021/ja063334i
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C27 H35 I2 N3 Ni'
_chemical_formula_weight         714.09
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 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                 104.194(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9214(19)
_cell_length_b                   17.031(2)
_cell_length_c                   13.687(2)
_cell_measurement_reflns_used    15156
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      34.5614
_cell_measurement_theta_min      1.9455
_cell_volume                     2920.0(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            19684
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    2.797
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6046
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.624
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.537
_refine_diff_density_min         -1.135
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         7005
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0368
_refine_ls_R_factor_gt           0.0319
_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^)+(0.0418P)^2^+1.7681P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0811
_refine_ls_wR_factor_ref         0.0849
_reflns_number_gt                6280
_reflns_number_total             7005
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja063334isi20060512_052643.cif
_cod_data_source_block           shelxl
_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_original_sg_symbol_H-M      P21/a
_cod_database_code               4101352