Synthesis and exchange reactions of Ni-dimine-COD, acetylene and olefin complexes.
Sgro, Michael J.; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 5786–5794; doi:10.1039/c001312a

data_7025502
_publ_section_title
;
 Synthesis and exchange reactions of Ni-dimine-COD, acetylene and olefin
 complexes.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5786
_journal_page_last               5794
_journal_paper_doi               10.1039/c001312a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C37 H62 N2 Ni Si2'
_chemical_formula_weight         649.78
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 109.8870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.3895(5)
_cell_length_b                   9.7738(2)
_cell_length_c                   18.2857(4)
_cell_measurement_reflns_used    9951
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      2.30
_cell_volume                     3762.84(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(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  0.0245
_diffrn_reflns_av_sigmaI/netI    0.0203
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27639
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.605
_exptl_absorpt_correction_T_max  0.9420
_exptl_absorpt_correction_T_min  0.8393
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.147
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.644
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     385
_refine_ls_number_reflns         6619
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0456P)^2^+3.0236P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0878
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                5807
_reflns_number_total             6619
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c001312a.txt
_cod_data_source_block           c37h62n2nisi2_Compound11
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7025502