Four Homologous Zirconium 2,2‘-Biphenyldiyls: Synthesis, Structure, and Reactivity
Hilton, Cameron L.; King, Benjamin T.; Organometallics 25 (2006) 4058–; doi:10.1021/om060270b

data_4075425
_publ_section_title
;
 Four Homologous Zirconium 2,2&#x2018;-Biphenyldiyls:&#x00A0; Synthesis,
 Structure, and Reactivity
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              4058
_journal_paper_doi               10.1021/om060270b
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C64 H72 Li4 O4 Zr'
_chemical_formula_weight         1024.20
_chemical_name_common            tetrakisbiphyzirconate
_chemical_name_systematic
; 
 tetrakis(2,2'-biphenyldiyl)zirconate lithium 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 95.9130(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9268(5)
_cell_length_b                   17.6970(6)
_cell_length_c                   23.7283(8)
_cell_measurement_temperature    100(2)
_cell_volume                     5399.3(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0411
_diffrn_reflns_av_sigmaI/netI    0.0281
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            69988
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.251
_exptl_absorpt_correction_T_max  0.9426
_exptl_absorpt_correction_T_min  0.9273
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             2160
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.594
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     658
_refine_ls_number_reflns         12393
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0516P)^2^+2.3281P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                10561
_reflns_number_total             12393
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060270bsi20060327_051305.cif
_cod_data_source_block           ch66sad
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_sg_symbol_H-M      P21/n
_cod_database_code               4075425