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_4071651
_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         'C50 H34 Cl2 Fe2'
_chemical_formula_sum            'C50 H34 Cl2 Fe2'
_chemical_formula_weight         817.37
_chemical_name_systematic
; 
 ? 
;
_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                74.723(6)
_cell_angle_beta                 79.113(6)
_cell_angle_gamma                84.303(6)
_cell_formula_units_Z            2
_cell_length_a                   8.5593(18)
_cell_length_b                   12.884(3)
_cell_length_c                   17.537(4)
_cell_measurement_reflns_used    2037
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      21.80
_cell_measurement_theta_min      2.28
_cell_volume                     1829.5(7)
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0436
_diffrn_reflns_av_sigmaI/netI    0.0642
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9815
_diffrn_reflns_theta_full        21.00
_diffrn_reflns_theta_max         21.00
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.966
_exptl_absorpt_correction_T_max  0.9904
_exptl_absorpt_correction_T_min  0.8264
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         3917
_refine_ls_number_restraints     300
_refine_ls_restrained_S_all      0.927
_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0794
_refine_ls_wR_factor_ref         0.0883
_reflns_number_gt                2849
_reflns_number_total             3959
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800293m-file002.cif
_cod_data_source_block           mjm142
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1829.6(7)
_cod_database_code               4071651