Structural Similarities in Dinuclear, Tetranuclear, and Pentanuclear Nickel Silyl and Silylene Complexes Obtained via Si‒H and Si‒C Activation
Beck, Robert; Johnson, Samuel A.; Organometallics 31 (2012) 3599–; doi:10.1021/om300120x

data_4078246
_publ_section_title
;
 Structural Similarities in Dinuclear, Tetranuclear, and Pentanuclear
 Nickel Silyl and Silylene Complexes Obtained via Si--H and Si--C
 Activation
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              3599
_journal_paper_doi               10.1021/om300120x
_journal_volume                  31
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C60 H108 Ni5 Si5 P4'
_chemical_formula_sum            'C60 H108 Ni5 P4 Si4'
_chemical_formula_weight         1359.25
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2011-06-23T14:15:26-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   15.1577(12)
_cell_length_b                   15.1577(12)
_cell_length_c                   14.868(2)
_cell_measurement_reflns_used    7552
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.15
_cell_measurement_theta_min      2.69
_cell_volume                     3416.0(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0219
_diffrn_reflns_av_unetI/netI     0.0167
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19186
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    1.551
_exptl_absorpt_correction_T_max  0.884
_exptl_absorpt_correction_T_min  0.736
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, BRUKER 2001'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.672
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details 'Flack (1983), 1839 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.043(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         3871
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.07
_refine_ls_R_factor_all          0.029
_refine_ls_R_factor_gt           0.0275
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0397P)^2^+1.9120P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0668
_refine_ls_wR_factor_ref         0.0685
_reflns_number_gt                3732
_reflns_number_total             3871
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300120x_si_002.cif
_cod_data_source_block           rbr1s
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3416.0(7)
_cod_original_sg_symbol_H-M      I-4
_cod_database_code               4078246