Synthesis and Structural Characterization of Zirconium−Carboryne Complexes
Ren, Shikuo; Deng, Liang; Chan, Hoi-Shan; Xie, Zuowei; Organometallics 28 (2009) 5749–; doi:10.1021/om900504g

data_4069919
_publ_section_title
;
 Synthesis and Structural Characterization of Zirconium&#x2212;Carboryne
 Complexes
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5749
_journal_paper_doi               10.1021/om900504g
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C28 H66 B10 N6 Zr'
_chemical_formula_weight         686.19
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   12.3832(19)
_cell_length_b                   16.059(3)
_cell_length_c                   20.427(3)
_cell_measurement_temperature    293(2)
_cell_volume                     4062.2(11)
_computing_cell_refinement       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_collection       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_reduction        'BRUKER SMART CCD DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'BRUKER SMART CCD 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  0.0728
_diffrn_reflns_av_sigmaI/netI    0.0972
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            27783
_diffrn_reflns_theta_full        28.06
_diffrn_reflns_theta_max         28.06
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.297
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.81422
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.522
_refine_diff_density_min         -0.497
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.06(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         9807
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1428
_refine_ls_R_factor_gt           0.0569
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0778P)^2^+0.3270P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1296
_refine_ls_wR_factor_ref         0.1724
_reflns_number_gt                4910
_reflns_number_total             9807
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900504g_si_001.cif
_cod_data_source_block           7
_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.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4062.3(11)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4069919