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_4029028
_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            'C21 H36 Li N O3'
_chemical_formula_weight         357.45
_chemical_name_common            jg05oct12
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 102.066(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.056(3)
_cell_length_b                   14.504(5)
_cell_length_c                   9.639(4)
_cell_measurement_reflns_used    1553
_cell_measurement_temperature    198.(2)
_cell_measurement_theta_max      22.2239
_cell_measurement_theta_min      2.1606
_cell_volume                     1101.4(7)
_computing_cell_refinement       'SAINT V8.18C (Bruker AXS Inc., 2011)'
_computing_data_reduction        'SAINT V8.18C (Bruker AXS Inc., 2011)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      198.(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.806
_diffrn_measured_fraction_theta_max 0.806
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0177
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2044
_diffrn_reflns_theta_full        22.22
_diffrn_reflns_theta_max         22.22
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.374
_refine_ls_abs_structure_details
;
Flack x determined using 764 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.1(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2022
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0726
_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^)+(0.1229P)^2^+1.0387P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1927
_refine_ls_wR_factor_ref         0.2017
_reflns_number_gt                1895
_reflns_number_total             2022
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo402498z_si_002.cif
_cod_data_source_block           958151
_cod_database_code               4029028
_shelx_res_checksum              89038
_shelx_hkl_checksum              64198