Syntheses, Structures, and Dimerizations of Ferrocenyl- and Fluorenylideneallenes: Push−Pull Multiple Bonds?
Banide, Emilie V.; Ortin, Yannick; Chamiot, Bénédicte; Cassidy, Andrew; Niehaus, Jan; Moore, Angela; Seward, Corey M.; Müller-Bunz, Helge; McGlinchey, Michael J.; Organometallics 27 (2008) 4173–; doi:10.1021/om800293m

data_4071643
_publ_section_title
;
 Syntheses, Structures, and Dimerizations of Ferrocenyl- and
 Fluorenylideneallenes: Push&#x2212;Pull Multiple Bonds?
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4173
_journal_paper_doi               10.1021/om800293m
_journal_volume                  27
_journal_year                    2008
_chemical_formula_moiety         'C24 H18 Fe'
_chemical_formula_sum            'C24 H18 Fe'
_chemical_formula_weight         362.23
_chemical_name_systematic
; 
 ? 
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.704(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.3657(11)
_cell_length_b                   9.7933(7)
_cell_length_c                   21.6578(15)
_cell_measurement_reflns_used    5650
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.35
_cell_measurement_theta_min      2.43
_cell_volume                     3421.5(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.926
_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  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            14318
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         28.57
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.883
_exptl_absorpt_correction_T_max  0.9169
_exptl_absorpt_correction_T_min  0.7098
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.482
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4048
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0410P)^2^+4.2349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0851
_refine_ls_wR_factor_ref         0.0877
_reflns_number_gt                3678
_reflns_number_total             4048
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800293m-file002.cif
_cod_data_source_block           mjm22
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4071643