Synthesis, Structure and Dynamics of Nickelacarboranes Incorporating the [nido-7,9-C~2~B~9~H~11~]^2-^ Ligand
Bruce E. Hodson; Thomas D. McGrath; F. Gordon A. Stone; Inorganic Chemistry 43 (2004) 3090–3097; doi:10.1021/ic035458r

data_4311015
_publ_contact_author_address
; Department of Chemistry and Biochemistry
  Baylor University
  PO Box 97348
  Waco
  TX, 76798-7348
  USA
;
_publ_contact_author_email       Gordon_Stone@baylor.edu
_publ_contact_author_fax         '+1 254 710 2403'
_publ_contact_author_name        'Prof. F. Gordon A. Stone'
_publ_contact_author_phone       '+1 254 710 4427'
_publ_section_title
;
 Synthesis, Structure and Dynamics of Nickelacarboranes Incorporating the
 [nido-7,9-C~2~B~9~H~11~]^2-^ Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3090
_journal_page_last               3097
_journal_paper_doi               10.1021/ic035458r
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C13 H32 B18 Cl2 Ni2'
_chemical_formula_weight         571.29
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_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                   13.433(3)
_cell_length_b                   14.690(4)
_cell_length_c                   13.076(3)
_cell_measurement_reflns_used    5936
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      34.48
_cell_measurement_theta_min      2.58
_cell_volume                     2580.3(11)
_computing_cell_refinement       'Bruker SMART (Bruker, 2003)'
_computing_data_collection       'Bruker SMART (Bruker, 2003)'
_computing_data_reduction        'Bruker SAINT (Bruker, 2003)'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 2000)'
_computing_publication_material  'Bruker SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'Bruker SHELXTL (Bruker, 2000)'
_computing_structure_solution    'Bruker SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker-Nonius X8-Apex CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0458
_diffrn_reflns_av_sigmaI/netI    0.0676
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            32861
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         38.91
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    1.672
_exptl_absorpt_correction_T_max  0.8195
_exptl_absorpt_correction_T_min  0.6685
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.524
_refine_diff_density_min         -1.934
_refine_diff_density_rms         0.102
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.011(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         12891
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0380
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0383P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0830
_reflns_number_gt                9781
_reflns_number_total             12891
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035458rsi20031218_072226_1.cif
_cod_data_source_block           10b
_cod_original_cell_volume        2580.4(11)
_cod_database_code               4311015