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_7003977
_publ_section_title
;
 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            'C20 H28 Li N O'
_chemical_formula_weight         305.37
_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                 98.63(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.85(2)
_cell_length_b                   13.74(4)
_cell_length_c                   18.83(5)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.0
_cell_volume                     2008(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.1775
_diffrn_reflns_av_sigmaI/netI    0.1401
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16083
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.388678
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.011
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.887
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.887
_refine_ls_R_factor_all          0.2408
_refine_ls_R_factor_gt           0.0813
_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^)+(0.1268P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2042
_refine_ls_wR_factor_ref         0.3042
_reflns_number_gt                1006
_reflns_number_total             3529
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b801772g.txt
_cod_data_source_block           (2-C6H4-Ph)tBuNLi(OEt2)
_cod_original_cell_volume        2007(10)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7003977