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_7007275
_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
_chemical_formula_moiety         'C48 H54 Na2 O4'
_chemical_formula_sum            'C48 H54 Na2 O4'
_chemical_formula_weight         740.90
_chemical_melting_point          594
_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                 111.526(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9157(5)
_cell_length_b                   25.073(2)
_cell_length_c                   10.1182(9)
_cell_measurement_temperature    123(2)
_cell_volume                     2104.1(3)
_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 0.962
_diffrn_measured_fraction_theta_max 0.962
_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  0.2829
_diffrn_reflns_av_sigmaI/netI    0.3145
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            26204
_diffrn_reflns_theta_full        27.76
_diffrn_reflns_theta_max         27.76
_diffrn_reflns_theta_min         3.08
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.9822
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'performed as part of the DENZO-SMN package'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.169
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.364
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.939
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         4777
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.3120
_refine_ls_R_factor_gt           0.0928
_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^)+(0.0869P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1507
_refine_ls_wR_factor_ref         0.2245
_reflns_number_gt                1594
_reflns_number_total             4777
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b602706g.txt
_cod_data_source_block           COMPOUND_5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7007275