Biphenylamide ligand complexes of Li and Al: hemilabile arene donors?
Dureen, Meghan A.; Stephan, Douglas W.; Dalton Transactions  (2008) 4723–4731; doi:10.1039/b801772g

data_7003978
_publ_section_title
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 Biphenylamide ligand complexes of Li and Al: hemilabile arene donors?
;
_journal_issue                   35
_journal_name_full               'Dalton Transactions'
_journal_page_first              4723
_journal_page_last               4731
_journal_paper_doi               10.1039/b801772g
_journal_year                    2008
_chemical_formula_sum            'C54 H42 Li2 N2'
_chemical_formula_weight         732.82
_space_group_IT_number           70
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-F 2uv 2vw'
_symmetry_space_group_name_H-M   'F d d d :2'
_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            8
_cell_length_a                   13.960(3)
_cell_length_b                   22.820(5)
_cell_length_c                   24.218(5)
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.0
_cell_volume                     7715(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0464
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            15204
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.699412
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3088
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.138
_refine_diff_density_min         -0.145
_refine_diff_density_rms         0.027
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         1399
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0431P)^2^+6.7791P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0802
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                1181
_reflns_number_total             1399
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b801772g.txt
_cod_data_source_block           (2-C6H4-Ph)2NLi
_cod_depositor_comments
;

2018-12-19
formula fixed to be consistent with given Z value
                 miguel
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_cod_original_formula_sum            'C27 H21 Li N'
_cod_original_formula_weight         654.71
_cod_original_sg_symbol_H-M      Fddd
_cod_database_code               7003978