Tetranuclear Zirconium and Hafnium Polyhydride Complexes Composed of the “CpMH2” Units
Hu, Shaowei; Shima, Takanori; Luo, Yi; Hou, Zhaomin; Organometallics 32 (2013) 2145–; doi:10.1021/om400012a

data_4080459
_publ_section_title
;
 Tetranuclear Zirconium and Hafnium Polyhydride Complexes Composed of the
 &#x201C;CpMH2&#x201D; Units
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              2145
_journal_paper_doi               10.1021/om400012a
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C40 H68 Zr4'
_chemical_formula_weight         913.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.332(2)
_cell_angle_beta                 81.631(2)
_cell_angle_gamma                65.028(2)
_cell_formula_units_Z            2
_cell_length_a                   11.3569(17)
_cell_length_b                   11.4460(17)
_cell_length_c                   18.867(3)
_cell_measurement_reflns_used    13535
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      1.97
_cell_volume                     2192.5(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  '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  0.0816
_diffrn_reflns_av_sigmaI/netI    0.1044
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13535
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.947
_exptl_absorpt_correction_T_max  0.9542
_exptl_absorpt_correction_T_min  0.8332
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            dark-green
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.371
_refine_diff_density_min         -1.802
_refine_diff_density_rms         0.232
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.965
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     414
_refine_ls_number_reflns         9221
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.965
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0814
_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^)+(0.1396P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2075
_refine_ls_wR_factor_ref         0.2169
_reflns_number_gt                6300
_reflns_number_total             9221
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400012a_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4080459