Structures of Lithium N-Monosubstituted Anilides: Trisolvated Monomer to Tetrasolvated Dimer.
Su, Chicheung; Guang, Jie; Williard, Paul G.; The Journal of organic chemistry 79 (2014) 1032–; doi:10.1021/jo402498z

data_4029019
_publ_section_title
;
 Structures of Lithium N-Monosubstituted Anilides: Trisolvated Monomer to
 Tetrasolvated Dimer.
;
_journal_issue                   3
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1032
_journal_paper_doi               10.1021/jo402498z
_journal_volume                  79
_journal_year                    2014
_chemical_formula_sum            'C32 H48 Li2 N2 O4'
_chemical_formula_weight         538.60
_chemical_name_common            ccs17aug12
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 96.352(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.5362(16)
_cell_length_b                   14.7209(12)
_cell_length_c                   11.5776(10)
_cell_measurement_temperature    296.(2)
_cell_volume                     3139.8(5)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      296.(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0425
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            11663
_diffrn_reflns_theta_full        17.83
_diffrn_reflns_theta_max         17.83
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_process_details
;
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.139
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     356
_refine_ls_number_reflns         2083
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0566
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0966P)^2^+3.8902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1629
_refine_ls_wR_factor_ref         0.1733
_reflns_number_gt                1749
_reflns_number_total             2083
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo402498z_si_002.cif
_cod_data_source_block           958138
_cod_database_code               4029019
_shelx_res_checksum              36556
_shelx_hkl_checksum              61000