Metallacarboranes Incorporating anarachno-η6-C2B9Ligand
Sit, Mei-Mei; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 28 (2009) 5998–; doi:10.1021/om900537j

data_4069961
_publ_section_title
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 Metallacarboranes Incorporating anarachno-\h6-C2B9Ligand
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_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5998
_journal_paper_doi               10.1021/om900537j
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C92 H100 B18 Hf2 N2 P4'
_chemical_formula_weight         1909.18
_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                   17.0654(7)
_cell_length_b                   17.9880(7)
_cell_length_c                   28.0172(12)
_cell_measurement_temperature    123(2)
_cell_volume                     8600.5(6)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0764
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            148582
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    2.536
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.753077
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sheldrick SADABS, 1996'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.474
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3840
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.030
_refine_diff_density_min         -2.016
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1059
_refine_ls_number_reflns         20988
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0515
_refine_ls_R_factor_gt           0.0360
_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^)+(0.0257P)^2^+14.5589P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0679
_refine_ls_wR_factor_ref         0.0735
_reflns_number_gt                17610
_reflns_number_total             20988
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900537j_si_001.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               4069961