Structural Diversity in Solvated Lithium Aryloxides. Syntheses, Characterization, and Structures of [Li(OAr)(THF)x]n and [Li(OAr)(py)x]2 Complexes Where OAr = OC6H5, OC6H4(2-Me), OC6H3(2,6-(Me))2, OC6H4(2-Pri), OC6H3(2,6-(Pri))2, OC6H4(2-But), OC6H3(2,6-(But))2
Timothy J. Boyle; Dawn M. Pedrotty; Todd M. Alam; Sara C. Vick; Mark A. Rodriguez; Inorganic Chemistry 39 (2000) 5133–5146; doi:10.1021/ic000432a

data_4321501
_publ_section_title
;
 Structural Diversity in Solvated Lithium Aryloxides. Syntheses,
 Characterization, and Structures of [Li(OAr)(THF)x]n and [Li(OAr)(py)x]2
 Complexes Where OAr = OC6H5, OC6H4(2-Me), OC6H3(2,6-(Me))2, OC6H4(2-Pri),
 OC6H3(2,6-(Pri))2, OC6H4(2-But), OC6H3(2,6-(But))2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5133
_journal_page_last               5146
_journal_paper_doi               10.1021/ic000432a
_journal_volume                  39
_journal_year                    2000
_chemical_formula_sum            'C20 H26 Li2 O4'
_chemical_formula_weight         344.29
_chemical_name_common            '[Li(OPh)(THF)]4'
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 124.812(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.890(3)
_cell_length_b                   9.2373(9)
_cell_length_c                   19.761(2)
_cell_measurement_reflns_used    105
_cell_measurement_temperature    168(2)
_cell_volume                     4030.0(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      168(2)
_diffrn_measured_fraction_theta_full 0.942
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0683
_diffrn_reflns_av_sigmaI/netI    0.1047
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12555
_diffrn_reflns_theta_full        28.32
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          .4mm
_exptl_crystal_size_min          .2mm
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.829
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4727
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.829
_refine_ls_R_factor_all          0.1570
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1582
_reflns_number_gt                1867
_reflns_number_total             4727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic000432a_1.cif
_cod_data_source_block           dmtp023
_cod_original_cell_volume        4030.0(7)
_cod_database_code               4321501