Structural Features of Lithio[3]ferrocenophane Systems Bearing Stabilizing Dimethylamino Substituents
Chen, Chao; Fröhlich, Roland; Kehr, Gerald; Erker, Gerhard; Organometallics 27 (2008) 3248–; doi:10.1021/om8001894

data_4071489
_publ_section_title
;
 Structural Features of Lithio[3]ferrocenophane Systems Bearing
 Stabilizing Dimethylamino Substituents
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3248
_journal_paper_doi               10.1021/om8001894
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C38 H54 Fe2 Li4 N2'
_chemical_formula_weight         678.29
_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                 124.613(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.6614(3)
_cell_length_b                   10.6671(2)
_cell_length_c                   19.0435(3)
_cell_measurement_reflns_used    3958
_cell_measurement_temperature    198(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      0.41
_cell_volume                     3621.46(11)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000) & SCHAKAL (Keller, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            13024
_diffrn_reflns_theta_full        27.86
_diffrn_reflns_theta_max         27.86
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    0.828
_exptl_absorpt_correction_T_max  0.8518
_exptl_absorpt_correction_T_min  0.7069
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1995 & 1997)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.406
_refine_diff_density_min         -0.442
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4263
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0371
_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^)+(0.0448P)^2^+2.9764P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.1023
_reflns_number_gt                3394
_reflns_number_total             4263
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8001894-file002.cif
_cod_data_source_block           erk4179
_cod_original_cell_volume        3621.46(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4071489