Aggregation of Donor Base Stabilized 2-Thienyllithium in a Single Crystal and in Solution: Distances from X-ray Diffraction and the Nuclear Overhauser Effect
Markus Granitzka; Ann-Christin Pöppler; Eike K. Schwarze; Daniel Stern; Thomas Schulz; Michael John; Regine Herbst-Irmer; Sushil K. Pandey; Dietmar Stalke; Journal of the American Chemical Society 134 (2012) 1344–1351; doi:10.1021/ja210382c

data_4117314
_publ_section_title
;
 Aggregation of Donor Base Stabilized 2-Thienyllithium in a Single Crystal
 and in Solution: Distances from X-ray Diffraction and the Nuclear
 Overhauser Effect
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1344
_journal_page_last               1351
_journal_paper_doi               10.1021/ja210382c
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C32 H52 Li4 O4 S4'
_chemical_formula_sum            'C32 H52 Li4 O4 S4'
_chemical_formula_weight         656.74
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.97(2)
_cell_angle_beta                 73.83(2)
_cell_angle_gamma                66.45(2)
_cell_formula_units_Z            2
_cell_length_a                   10.086(2)
_cell_length_b                   11.779(2)
_cell_length_c                   17.970(3)
_cell_measurement_reflns_used    7012
_cell_measurement_temperature    99(2)
_cell_measurement_theta_max      22.3725
_cell_measurement_theta_min      2.18
_cell_volume                     1877.6(7)
_computing_cell_refinement       'SAINT V7.68A'
_computing_data_collection       'APEX2 v2009.11'
_computing_data_reduction        'SAINT V7.68A'
_computing_molecular_graphics    'XSHELL in SHELXTL-97'
_computing_publication_material  'XSHELL in SHELXTL-97'
_computing_structure_refinement  'SHELXL in SHELXTL Version 2008/3'
_computing_structure_solution    'SHELXS in SHELXTL Version 2008/3'
_diffrn_ambient_temperature      99(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Smart Apex II with D8-Goniometer'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'INCOATEC Mo Microsource'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0550
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            44903
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.18
_exptl_absorpt_coefficient_mu    0.284
_exptl_absorpt_correction_T_max  0.9703
_exptl_absorpt_correction_T_min  0.8525
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/2
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.455
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     594
_refine_ls_number_reflns         7676
_refine_ls_number_restraints     1074
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0620
_refine_ls_R_factor_gt           0.0429
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0521P)^2^+0.5626P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1055
_refine_ls_wR_factor_ref         0.1163
_reflns_number_gt                5723
_reflns_number_total             7676
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja210382c_si_001.cif
_cod_data_source_block           1
_cod_original_cell_volume        1877.6(6)
_cod_database_code               4117314