Synthesis and structural characterisation of lithium and sodium 2,6-dibenzylphenolate complexes.
Cole, Marcus L.; Junk, Peter C.; Proctor, Kathryn M.; Scott, Janet L.; Strauss, Christopher R.; Dalton transactions (Cambridge, England : 2003)  (2006) 3338–3349; doi:10.1039/b602706g

data_7007277
_publ_section_title
;
 Synthesis and structural characterisation of lithium and sodium
 2,6-dibenzylphenolate complexes.
;
_journal_issue                   27
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3338
_journal_page_last               3349
_journal_paper_doi               10.1039/b602706g
_journal_year                    2006
_chemical_compound_source        'Et2O and THF'
_chemical_formula_moiety         'C52 H58 Na2 O8'
_chemical_formula_sum            'C52 H58 Na2 O8'
_chemical_formula_weight         856.96
_chemical_melting_point          396
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 90.24(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.5356(19)
_cell_length_b                   10.974(2)
_cell_length_c                   21.326(4)
_cell_measurement_temperature    123(2)
_cell_volume                     2231.6(7)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        X-Seed
_computing_molecular_graphics    'X-Seed / POV-Ray'
_computing_publication_material  'Microsoft Office 2000'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'psi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0860
_diffrn_reflns_av_sigmaI/netI    0.1250
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            12461
_diffrn_reflns_theta_full        27.71
_diffrn_reflns_theta_max         27.71
_diffrn_reflns_theta_min         2.86
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9801
_exptl_absorpt_correction_T_min  0.9801
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'performed as part of the DENZO-SMN package'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.937
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         5151
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.937
_refine_ls_R_factor_all          0.1406
_refine_ls_R_factor_gt           0.0628
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0774P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1249
_refine_ls_wR_factor_ref         0.1540
_reflns_number_gt                2862
_reflns_number_total             5151
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b602706g.txt
_cod_data_source_block           COMPOUND_7
_cod_original_cell_volume        2231.6(8)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7007277